Main Page

Table of Contents

Author Index

Session 2: Power Supplies 
Chair: Yehuda Goren, Teledyne Electronic Technologies

2-1:

AN/TPQ-18 Radar Transmitter (Page 9)
Christopher Chipman, Diversified Technologies, Inc. (DTI)
Philip Gordon, Diversified Technologies, Inc. (DTI)
Luan Jashari, Diversified Technologies, Inc. (DTI)
John Kinross-Wright, Diversified Technologies, Inc. (DTI)
Marcel P.J. Gaudreau, Diversified Technologies, Inc. (DTI)
Michael Kempkes, Diversified Technologies, Inc. (DTI)
Rebecca Simpson, Diversified Technologies, Inc. (DTI)

2-2:

Gyrotron Pulse Modulator Test Stand (Page 11)
Marcel P.J. Gaudreau, Diversified Technologies, Inc. (DTI)
Craig Conecoff, Diversified Technologies, Inc. (DTI)
Nigel Stuart, Diversified Technologies, Inc. (DTI)
Luan Jashari, Diversified Technologies, Inc. (DTI)
Tuan Nguyen, Diversified Technologies, Inc. (DTI)
Michael Kempkes, Diversified Technologies, Inc. (DTI)
Rebecca Simpson, Diversified Technologies, Inc. (DTI)

2-3:

Integrated System of a Mini-Marx Generator Charged by a Cockcroft-Walton Voltage Multiplier (Page 13)
Zhaofeng Zhang, Hanyang University
Kaviya Aranganadin, Hanyang University
Hua-Yi Hsu, National Taipei University of Technology
Po-Yu Chang, National Cheng Kung University
Ming-Chieh Lin, Hanyang University

2-4:

High Power Density Electronic Power Conditioner for Airborne Transmitter (Page 15)
Neeraj Kumar, Microwave Tube Research and development Centre (MTRDC) & Defense in Research and Development Organization (DRDO)
A. J. Zabiulla, Microwave Tube Research and development Centre (MTRDC) & Defense in Research and Development Organization (DRDO)
Pradheep H. N., Microwave Tube Research and development Centre (MTRDC) & Defense in Research and Development Organization (DRDO)
P. Sidharthan, Microwave Tube Research and development Centre (MTRDC) & Defense in Research and Development Organization (DRDO)

Session 3: Cold Cathodes 
Chair: Joan Yater, Naval Research Laboratory

3-1:

Diamond p-i-n-nanoC Diodes for Electron Emitters (Page 17)
Franz A. Koeck, Arizona State University
Manpuneet Benipal, Advent Diamond
Harshad Surdi, Arizona State University
Robert J. Nemanich, Arizona State University

3-2:

Field Emission Cathodes Fabricated from Bulk Carbon Nanotube Fibers and Films (Page 19)
Steven B. Fairchild, Air Force Research Laboratory, Materials & Manufacturing Directorate
Paul T. Murray, Air Force Research Laboratory, Materials & Manufacturing Directorate
Salvador Portillo, University of New Mexico
Genevieve Dion, Drexel University

3-3:

Observing Performance of Individual Metal-Coated Silicon Field Emitters in an X-Ray Generator (Page 21)
Gil Travish, Adaptix Ltd
Aquila Mavalankar, Adaptix Ltd
Jamie Cameron, Adaptix Ltd
Manuel Fohler, Adaptix Ltd
Isabel Gomes, Adaptix Ltd
Silvia Sottini, Adaptix Ltd
Nivedita Yumnam, Adaptix Ltd

3-5:

Two-Color Laser Induced Electron Emission from Biased Metal Surface (Page 23)
Yi Luo, Michigan State University
Peng Zhang, Michigan State University

Session 4: MMW TWTs 
Chair: Mark Basten, Northrop Grumman

4-1:

Demonstration of a W-band TWT with 10 GHz Bandwidth (Page 25)
Alan Cook, U.S. Naval Research Laboratory
Colin Joye, U.S. Naval Research Laboratory
Reginald Jaynes, U.S. Naval Research Laboratory
John Rodgers, U.S. Naval Research Laboratory
Igor Chernyavskiy, U.S. Naval Research Laboratory
Frank Wood, U.S. Naval Research Laboratory
Edward Wright, Beam-Wave Research, Inc.
Khanh Nguyen, Beam-Wave Research, Inc.
Takuji Kimura, CPI, LLC
John Atkinson, CPI, LLC
Galen Aymar, CPI, LLC

4-2:

A 50 Watt W-band MPM (Page 27)
Ji Chen, National Key Laboratory of Science and Technology on Vacuum Electronics and Beijing Vacuum Electronics Research Institute
Fengyan Wang, Southwest China Research Institute of Electronic Equipment
Zhiwei Zhang, Southwest China Research Institute of Electronic Equipment
Zhigang Wang, University of Electronic Science and Technology of China
Jialu Li, National Key Laboratory of Science and Technology on Vacuum Electronics and Beijing Vacuum Electronics Research Institute
Chang Gao, National Key Laboratory of Science and Technology on Vacuum Electronics and Beijing Vacuum Electronics Research Institute
Zhangxiong Zi, National Key Laboratory of Science and Technology on Vacuum Electronics and Beijing Vacuum Electronics Research Institute
Jun Cai, National Key Laboratory of Science and Technology on Vacuum Electronics and Beijing Vacuum Electronics Research Institute

4-3:

W-Band 30W Continuous-Wave Wide-Band Folded Waveguide TWT (Page 29)
Fei Li, Chinese Academy of Sciences
Liu Xiao, Chinese Academy of Sciences
Tianjun Ma, Chinese Academy of Sciences
Yuhui Sun, Chinese Academy of Sciences
Jiandong Zhao, Chinese Academy of Sciences
Jian Wang,
Linlin Cao, Chinese Academy of Sciences
Hongxia Yi, Chinese Academy of Sciences
Xinwen Shang, Chinese Academy of Sciences
Mingguang Huang, Chinese Academy of Sciences

4-4:

Design of a Multi-kW Ka-Band Elliptical Beam Amplifier with PPM Focusing (Page 31)
John Pasour, US Naval Research Laboratory & Beam-Wave Research, Inc.
Khanh Nguyen, Beam-Wave Research, Inc.
Edward Wright, Beam-Wave Research, Inc.
Frank Wood, US Naval Research Laboratory
Spence Albright, US Naval Research Laboratory
Alexander Burke, Leidos Corp.
Aaron Jensen, Leidos Corp.
John Petillo, Leidos Corp.

4-5:

3D Meander Line Slow Wave Structure for W-band TWT (Page 33)
Juan M. Socuéllamos, Lancaster University
Rosa Letizia, Lancaster University
Roberto Dionisio, European Space Technology and Research Centre
Claudio Paoloni, Lancaster University

Session 5: Multipactor 
Chair: John Verboncoeu, Michigan State University

5-1:

Multipactor Thresholds in a Planar Test Cell (Page 35)
Zachary C. Shaw, Texas Tech University
Benedikt Esser, Texas Tech University
James C. Dickens, Texas Tech University
John J. Mankowski, Texas Tech University
Andreas A. Neuber, Texas Tech University

5-2:

Multipactor Effects on Signal Quality in Transmission Lines with Impedance Mismatches (Page 37)
Patrick Wong, University of Michigan & Michigan State University
Y. Y. Lau, University of Michigan
Peng Zhang, Michigan State University
Nicholas Jordan, University of Michigan
Ronald Gilgenbach, University of Michigan
John Verboncoeur, Michigan State University

5-3:

Secondary Electron Yield Measurements on Materials of Interest to Vacuum Electron Communication Devices (Page 39)
Talal Malik, University of New Mexico
Mark Gilmore, University of New Mexico
Salvador Portillo, University of New Mexico
Edl Schamiloglu, University of New Mexico

5-4:

Analysis of Single-Surface Multipactor Discharge in the Frequency Domain (Page 41)
Asif Iqbal, Michigan State University
Patrick Wong, Michigan State University
John Verboncoeur, Michigan State University
Peng Zhang, Michigan State University

5-5:

A General Empirical Model of Secondary Electron Yield and Its Application in Monte Carlo Simulation of a Microporous Gold Surface (Page 43)
Asif Iqbal, Michigan State University
Jonathan Ludwick, University of Cincinnati
Steven Fairchild, Air Force Research Laboratory
Marc Cahay, University of Cincinnati
Daniel Gortat, University of Cambridge
Martin Sparkes, University of Cambridge
William O'Neill, University of Cambridge
Tyson C. Back, Air Force Research Laboratory
Peng Zhang, Michigan State University

5-6:

Design, Simulation, and Testing of an S-Band Coaxial Multipactor Test-Cell (Page 45)
Stephen V. Langellotti, University of Michigan
Nicholas M. Jordan, University of Michigan
Y. Y. Lau, University of Michigan
Ronald M. Gilgenbach, University of Michigan

Session 6: Klystron Manufacturing 
Chair: Ed Eisen, CPI Microwave Power Products Division

6-1:

Miniature Klystron for CubeSats (Page 47)
Bernard Vancil, e beam, inc.
Jereme Shaver, e beam, inc.
Forrest Bishop, e beam, inc.
Malcolm Caplan, Consultant
Danilo Radovich, Consultant

6-2:

Noble Gas Retention Effect on Klystron High Voltage Stability (Page 49)
Andrew Cripps, Communications and Power Industries
Mark Hyttinen, Communications and Power Industries
Doug Yake, Communications and Power Industries
Anna Moskvicheva, Communications and Power Industries

6-3:

Reliability Optimization Techniques in High Power, High Duty Factor Klystrons (Page 51)
John Moss, Oak Ridge National Laboratory
George Toby, Oak Ridge National Laboratory
Timothy Miner, Oak Ridge National Laboratory
Charles Peters, Oak Ridge National Laboratory

6-4:

Multiple Beam Power Grid Tubes for High Frequency and High-Power Operation (Page 53)
Lawrence Ives, Calabazas Creek Research, Inc.
Mike Read, Calabazas Creek Research, Inc.
Thuc Bui, Calabazas Creek Research, Inc.
David Marsden, Calabazas Creek Research, Inc.
George Collins, Calabazas Creek Research, Inc.
Thomas Habermann, Calabazas Creek Research, Inc.
Ricky Ho, Communications & Power Industries, LLC
Tom Cox, Communications & Power Industries, LLC
Leroy Higgins, Communications & Power Industries, LLC
Nileshwar Chaudary, Communications & Power Industries, LLC
Christopher McVey, Communications & Power Industries, LLC
James M. Potter, JP Accelerator Works

6-5:

Modular High-Power RF Sources for Compact Linear Accelerator Systems (Page 55)
Brandon Weatherford, SLAC National Accelerator Laboratory
Mark Kemp, SLAC National Accelerator Laboratory
Xueying Lu, SLAC National Accelerator Laboratory
Julian Merrick, SLAC National Accelerator Laboratory
Emilio Nanni, SLAC National Accelerator Laboratory
Jeffrey Neilson, SLAC National Accelerator Laboratory
Ann Sy, SLAC National Accelerator Laboratory
Sami Tantawi, SLAC National Accelerator Laboratory

6-6:

Manufacture of CEPC 650-MHz 800-kW CW Klystron (Page 57)
Yunfeng Liao, Chinese Academy of Sciences
Rui Zhang, Chinese Academy of Sciences
Xiudong Yang, Chinese Academy of Sciences
Zhihui Geng, Chinese Academy of Sciences

Session 7: Modeling: Guns & Collectors 
Chair: Eric Nelson, Los Alamos National Laboratory

7-2:

Recent Advances in Beam Optics Analyzer (Page 59)
Thuc Bui, Calabazas Creek Research Inc.
Chris McKenzie, Oxford Instruments X-ray Technology, Inc.
R. Lawrence Ives, Calabazas Creek Research Inc.

7-3:

A 2-1/2 Dimensional Model of Miram Curves (Page 61)
Abhijit Jassem, University of Michigan
David P. Chernin, Leidos, Inc.
Serguei Ovtchinnikov, Leidos, Inc.
John J. Petillo, Leidos, Inc.
Yue Ying Lau, University of Michigan

7-5:

Transitions in Electron Emission and Gas Breakdown from Nanoscale to Microscale (Page 63)
Amanda M. Loveless, Purdue University
Adam M. Darr, Purdue University
Allen L. Garner, Purdue University

Session 8: High Power Microwaves I 
Chair: David Abe, DARPA

8-1:

Simulations and Experiments on Magnetically Insulated Line Oscillators at the University of Michigan (Page 65)
Drew A. Packard, University of Michigan
Christopher J. Swenson, University of Michigan
Anna Cooleybeck, University of Michigan
Brendan J. Sporer, University of Michigan
Alexander E. Mazarakis, University of Michigan
Nicholas M. Jordan, University of Michigan
Y. Y. Lau, University of Michigan
Ryan D. McBride, University of Michigan
Ronald M. Gilgenbach, University of Michigan

8-2:

Backward-Wave Oscillator with Distributed Power Extraction Operating at an Exceptional Point of Degeneracy (Page 67)
Tarek Mealy, University of California, Irvine
Ahmed F. Abdelshafy, University of California, Irvine
Filippo Capolino, University of California, Irvine

8-3:

Experiments on the Recirculating Planar Magnetron with Coaxial All-Cavity Extraction (Page 69)
Nicholas M. Jordan, University of Michigan
Drew A. Packard, University of Michigan
Christopher J. Swenson, University of Michigan
Sunkeerth Tummala, University of Michigan
Y. Y. Lau, University of Michigan
Ronald M. Gilgenbach, University of Michigan
Matthew A. Franzi, Air Force Research Laboratory
Brad W. Hoff, Air Force Research Laboratory

8-4:

Controlled Harmonic Frequency Locking in the Harmonic Recirculating Planar Magnetron (Page 71)
Drew A. Packard, University of Michigan
Nicholas M. Jordan, University of Michigan
Y.Y. Lau, University of Michigan
Ronald M. Gilgenbach, University of Michigan
Brad W. Hoff, Air Force Research Laboratory

8-5:

Design and Simulation of a Relativistic S-Band Inverted Magnetron (Page 73)
Timothy P. Fleming, Air Force Research Laboratory
Peter J. Mardahl, Air Force Research Laboratory

8-6:

Ka Band 20-Vane Non-p-Mode Magnetron (Page 75)
Bekir Bekirov, Institute for Radiophysics and Electronics of NAS of Ukraine
Sergey N. Terekhin, Institute for Radiophysics and Electronics of NAS of Ukraine
Viktor V. Zavertanniy, Institute for Radiophysics and Electronics of NAS of Ukraine
Victor D. Yeryomka, Institute for Radiophysics and Electronics of NAS of Ukraine
Mikhail V. Milcho, Institute for Radiophysics and Electronics of NAS of Ukraine
Kostyantyn Ilyenko, Institute for Radiophysics and Electronics of NAS of Ukraine
Valentyn P. Dzyuba, State-Owned Enterprise Plant-Generator
Tetyana Yatsenko, Becton, Dickinson and Company (BD)

Session 9: Scandate Cathodes 
Chair: Daniel Busbaher, 3M

9-1:

Lifetime Performance of Nanocomposite Scandate Tungsten Cathodes (Page 77)
Michelle Gonzalez, University of California, Davis
Diana Gamzina, SLAC National Accelerator Lab
Colin McElroy, Vacuum Process Engineering Inc.
Carl Schalansky, Vacuum Process Engineering Inc.
Neville C. Luhmann, Jr., University of California, Davis

9-2:

Advanced Nano-Scandate Cathode (Page 79)
Daniel E. Bugaris, Engi-Mat Co.
Claudia Goggin, Engi-Mat Co.
Kerry Baker, University of Kentucky
John Balk, University of Kentucky
Daniel Busbaher, Ceradyne, Inc., a 3M Company
Jack Tucek, Northrop Grumman Corporation

9-3:

Recent Progress on Scandate Cathodes (Page 81)
Bernard Vancil, e beam, inc.
Douglas Jones, e beam, inc.
Michael Kleschuk, e beam, inc.
Victor Schmidt, e beam, inc.
Allen Vancil, e beam, inc.
Wayne Ohlinger, Consultant
Michael Green, Consultant

9-4:

Temperature Effects on Desorption Behavior and Characteristic Wulff Shapes of Scandate Cathodes (Page 83)
Mujan N. Seif, University of Kentucky
Thomas John Balk, University of Kentucky
Matthew J. Beck, University of Kentucky

9-5:

Characterization of Material Phases on the Surface and in the Near-Surface Region of Scandate Cathodes (Page 85)
Xiaotao Liu, University of Kentucky
Matthew J. Beck, University of Kentucky
T. John Balk, University of Kentucky
Bernard K. Vancil, E Beam, Inc.

Session 10: Cathode Processing & Gun Development 
Chair: Russell Martin, L3Harris EDD

10-1:

Preparation of Tungsten Matrices of Dispenser Cathodes by Selective Laser Melting (Page 87)
Kaijie Luo, Beijing University of Technology
Yunfei Yang, Beijing University of Technology
Xuanming Liang, Beijing University of Technology
Jie Ma, Beijing University of Technology
Jinshu Wang, Beijing University of Technology

10-2:

Electron Beam Melting of Pure Copper ? From Research to Industrialization (Page 89)
Ralf Guschlbauer, Arcam EBM Center of Excellence, GE Additive
Pär Arumskog, Arcam EBM Center of Excellence, GE Additive
Simon Eichler, Arcam EBM Center of Excellence, GE Additive

10-3:

Practical and Technical Challenges of TWT Grid Spherical Radius Characterization (Page 91)
Timothy S. Dyer, Elcon Precision LLC

10-4:

Characterization of a W-band TWT Electron Gun (Page 93)
Reginald Jaynes, U.S. Naval Research Laboratory
Alan Cook, U.S. Naval Research Laboratory
Colin Joye, U.S. Naval Research Laboratory
John Rodgers, U.S. Naval Research Laboratory
Edward Wright, Beam-Wave Research, Inc.
Khanh Nguyen, Beam-Wave Research, Inc.
John Atkinson, CPI, LLC
Takuji Kimura, CPI, LLC
Galen Aymar, CPI, LLC

10-5:

Barium Dispenser Cathode Operation in a Cesium Vapor Environment for Applications in Thermionic Converters (Page 95)
Daniel Velázquez, Modern Electron, LLC
Hsin-I Lu, Modern Electron, LLC
Mark Stone, Modern Electron, LLC
Daniel Merthe, Modern Electron, LLC

Session 11: High Power Microwaves II 
Chair: Dev Palmer, DARPA

11-3:

Experimental Hot Test Results of a Metamaterial-Enhanced Resistive Wall Amplifier Prototype (Page 97)
Patrick Forbes, University of Wisconsin-Madison
John Booske, University of Wisconsin-Madison
Nader Behdad, University of Wisconsin-Madison

11-4:

A 3D-Printed Metamaterial Slow-Wave Structure for High-Power Microwave Generation (Page 99)
Antonio Breno de Alleluia, University of New Mexico
Artem Kuskov, University of New Mexico
Dmitrii Andreev, University of New Mexico
Edl Schamiloglu, University of New Mexico
Ahmed F. Abdelshafy, University of California, Irvine
Mohamed A.K. Othman, University of California, Irvine
Alexander Figotin, University of California, Irvine
Filippo Capolino, University of California, Irvine

Session 12: Gyrotrons / Magnetrons 
Chair: Mikhail Glyavin, IAP RAS, Nizhny Novgorod

12-1:

Phase Measurements of a 140 GHz Confocal Gyro-Amplifier (Page 101)
Guy Rosenzweig, Massachusetts Institute of Technology
Sudheer K. Jawla, Massachusetts Institute of Technology
Julian F. Picard, Massachusetts Institute of Technology
Michael A. Shapiro, Massachusetts Institute of Technology
Richard J. Temkin, Massachusetts Institute of Technology

12-2:

Upgrades of W-Band Gyro-TWA System for High-PRF Operation (Page 103)
Craig R. Donaldson, University of Strathclyde
Liang Zhang, University of Strathclyde
Adrian W. Cross, University of Strathclyde
Colin G. Whyte, University of Strathclyde

12-3:

Direct Coupled Gyrotrons for Plasma Heating (Page 105)
Lawrence Ives, Calabazas Creek Research, Inc.
David Marsden, Calabazas Creek Research, Inc.
George Collins, Calabazas Creek Research, Inc.
Jeffrey Neilson, Lexam Research
James Anderson, General Atomics
Kurt Zeller, General Atomics

12-4:

Design of TE₀₁ to HE₁₁ Mode Converter at 35GHz (Page 107)
Ling Gu, Southwest Minzu University
Yinghui Liu, University of Electronic Science and Technology of China

12-5:

The Effect of Absorbers on the Operation of a Coaxial Magnetron (Page 109)
Dmitry A. Komarov, JSC RPE "Toriy"
Yury N. Paramonov, JSC RPE "Toriy"
Denis A. Kalashnikov, JSC RPE "Toriy"
Oleg V. Yakovlev, JSC RPE "Toriy"
Sergey V. Surkov, JSC RPE "Toriy"

12-6:

Simulation of an Industrial Magnetron Using Cathode Modulation (Page 111)
Andong Yue, Boise State University
Jim Browning, Boise State University
Mike Worthington, L3Harris Technologies
John Cipolla, L3Harris Technologies

Session 13: Klystron Frontiers 
Chair: Takuji Kimura, CPI Microwave Power Products Division

13-1:

Experimental Demonstration of a W-band Photonic Bandgap Klystron (Page 113)
Jacob Stephens, Massachusetts Institute of Technology & Texas Tech University
Guy Rosenzweig, Massachusetts Institute of Technology
John Tucek, Northrop Grumman Systems Corp.
Ken Kreischer, Northrop Grumman Systems Corp.
Michael Shapiro, Massachusetts Institute of Technology
Richard Temkin, Massachusetts Institute of Technology

13-2:

Experimental Demonstration of a W-Band Sheet Beam Klystron (Page 115)
Ding Zhao, Chinese Academy of Sciences
Wei Gu, Chinese Academy of Sciences
Qingsheng Li, Chinese Academy of Sciences
Shuzhong Wang, Chinese Academy of Sciences
Zhiqiang Zhang, Chinese Academy of Sciences

13-3:

High-Efficiency, High Average Power, Multiple Beam Inductive Output Tubes (Page 117)
Henry Freund, Calabazas Creek Research, Inc.
Robert Lawrence Ives, Calabazas Creek Research, Inc.
Thuc Bui, Calabazas Creek Research, Inc.
Walter Sessions, Georgia Tech Research Institute

13-4:

A 1.3 GHz 100 kW Ultra-high Efficiency Klystron (Page 119)
Michael Read, Calabazas Creek Research Inc.
R. Lawrence Ives, Calabazas Creek Research Inc.
Thomas Habermann, Calabazas Creek Research Inc.
Thuc Bui, Calabazas Creek Research Inc.
David Marsden, Calabazas Creek Research Inc.
George Collins, Calabazas Creek Research Inc.
Aaron Jensen, Leidos

13-5:

Design Study of X-Band High Efficiency Klystrons for CLIC (Page 121)
Jinchi Cai, Lancaster University & CERN
Igor Syratchev, CERN

13-6:

A Multi-Beam Terahertz Coaxial Cavity Reflex Klystron (Page 123)
Hongyang Guo, University of Electronic Science and Technology of China
Zhanliang Wang, University of Electronic Science and Technology of China
Huarong Gong, University of Electronic Science and Technology of China
Zhigang Lu, University of Electronic Science and Technology of China
Zhaoyun Duan, University of Electronic Science and Technology of China
Yubin Gong, University of Electronic Science and Technology of China
Jinjun Feng, Beijing Vacuum Electronics Research Institute

Session 14: Space TWTs 
Chair: Will Menninger, L3Harris EDD

14-1:

NEC Network and Sensor Systems,Ltd. Q/V-band Helix TWT for Future High Throughput Satellite Uplink Applications (Page 125)
Naofumi Kosugi, NEC Network and Sensor Systems, Ltd.
Daiki Matsumoto, NEC Network and Sensor Systems, Ltd.
Tetsuo Machida, NEC Network and Sensor Systems, Ltd.
Takatsugu Munehiro, NEC Network and Sensor Systems, Ltd.
Yoshinori Mori, NEC Network and Sensor Systems, Ltd.
Travis Stewart, NEC Corporation of America

14-3:

Progress on a 71 — 76 GHz Folded Waveguide TWT for Satellite Communications (Page 127)
Craig W. Robertson, University of Strathclyde
Adrian W. Cross, University of Strathclyde
Christopher Gilmour, TMD Technologies Ltd.
David Dyson, TMD Technologies Ltd.
Peter G. Huggard, STFC Rutherford Appleton Laboratory
Fiachra Cahill, STFC Rutherford Appleton Laboratory
Mat Beardsley, STFC Rutherford Appleton Laboratory
Roberto Dionisio, ESA ESTEC
Kevin Ronald, University of Strathclyde

14-4:

NEC Network and Sensor Systems, Ltd. Development of the DBS Band 1250W peak, 750W CW, Helix TWT for Direct Broadcast Satellite Uplink (Page 129)
Taishi Masuda, NEC Network and Sensor Systems, Ltd.
Daiki Matsumoto, NEC Network and Sensor Systems, Ltd.
Tetsuo Machida, NEC Network and Sensor Systems, Ltd.
Takatsugu Munehiro, NEC Network and Sensor Systems, Ltd.
Yoshinori Mori, NEC Network and Sensor Systems, Ltd.
Travis Stewart, NEC Corpolation of America
Kenji Nakajima, NEC Network and Sensor Systems, Ltd.

14-5:

Design and Development of an X-Band Pulsed Helix TWT for Space Application (Page 131)
Talur Chanakya, Microwave Tube Research and Development Centre
U. V. Chandramouli, Microwave Tube Research and Development Centre
Subrata Kumar Datta, Microwave Tube Research and Development Centre
S. Senthil Kumar, Bharat Electronics Limited

Session 15: Modeling: RF & Secondaries 
Chair: John Petillo, Leidos

15-1:

Density Functional Theory Calculations for the Simulation of Secondary Electron Yield (Page 133)
Ivana Matanovic, University of New Mexico
Maciej P. Polak, University of Wisconsin
Ryan S. Johnson, University of New Mexico
Raul E. Gutierrez, University of New Mexico
Dane Morgan, University of Wisconsin
Edl Schamiloglu, University of New Mexico

15-2:

Theoretical Modeling of Secondary Electron Yield Using First-Principles Input: Comparison with Experimental Measurements (Page 135)
Maciej Polak, University of Wisconsin
Ivana Matanovic, University of New Mexico
Ryan Johnson, University of New Mexico
Raul E. Gutierrez, University of New Mexico
Dane Morgan, University of Wisconsin

15-3:

Modeling Stability of Vacuum Electronic Devices with the Large-Signal Code TESLA-Z (Page 137)
Igor A. Chernyavskiy, Naval Research Laboratory
Thomas M. Antonsen, Leidos, Inc.
Alexander N. Vlasov, Naval Research Laboratory
John C. Rodgers, Naval Research Laboratory
Baruch Levush, Naval Research Laboratory

15-5:

Stopband and Coupling-Coefficient Estimation for Asymmetries in Helical Delay-Lines (Page 139)
Moritz Hügermann, Hamburg University of Technology
Philip Birtel, Thales Deutschland GmbH
Arne F. Jacob, Hamburg University of Technology

15-6:

An Efficient Eigensolver for Extended Interaction Klystrons Based on Finite Element Method (Page 141)
Li Xu, University of Electronic Science and Technology of China
Hangxin Liu, University of Electronic Science and Technology of China
Xing Li, University of Electronic Science and Technology of China
Zhonghai Yang, University of Electronic Science and Technology of China
Bin Li, University of Electronic Science and Technology of China

Session 16: Components 
Chair: Stefan Illy, Karlsruhe Institute of Technology

16-1:

Additive Manufacture of RF Loads for ITER (Page 143)
Lawrence Ives, Calabazas Creek Research, Inc.
Thuc Bui, Calabazas Creek Research, Inc.
David Marsden, Calabazas Creek Research, Inc.
George Collins, Calabazas Creek Research, Inc.
Tim Horn, North Carolina State University
Chris Ledford, North Carolina State University
Jeff Neilson, Lexam Research

16-3:

A Vacuum Window Based on Metamaterial (Page 145)
Jingxuan Shen, Southeast University
Ningfeng Bai, Southeast University
Changsheng Shen, Southeast University
Xiaohan Sun, Southeast University
Pan Pan, Beijing Vacuum Electronics Institution
Jun Cai, Beijing Vacuum Electronics Institution
Jinjun Feng, Beijing Vacuum Electronics Institution

16-4:

Research on Broadband High-Power Compact Oversized TE₀₁ Hexa-Polar Waveguide Bend (Page 147)
Ding Li, University of Electronic Science and Technology of China
Zewei Wu, University of Electronic Science and Technology of China
Xiaoyi Liao, University of Electronic Science and Technology of China
Yong Luo, University of Electronic Science and Technology of China

Session 17: Microfabrication & THz II 
Chair: Richard Kowalczyk

17-1:

Design and Test of Copper Printed RF Cavities (Page 149)
Christopher Nantista, SLAC National Accelerator Laboratory
Diana Gamzina, SLAC National Accelerator Laboratory
Christopher Ledford, North Carolina State University
Timothy Horn, North Carolina State University
Paul Carriere, Radiabeam Technologies
Pedro Frigola, Radiabeam Technologies

17-2:

Design of a 693 GHz Folded-Waveguide Traveling-Wave Tube Amplifier (Page 151)
Mudit Pasagadagula, Bridge12 Technologies, Inc.
Anshul Chandel, Bridge12 Technologies, Inc.
Jagadishwar R. Sirigiri, Bridge12 Technologies, Inc.
Yuan Zheng, University of Calufornia, Davis
Neville C. Luhmann, Jr., University of Calufornia, Davis

17-3:

Design and Microfabrication of a Double Corrugated Waveguide for G-Band TWTs (Page 153)
Rupa Basu, Lancaster University
Laxma R. Billa, Lancaster University
Jeevan M. Rao, Lancaster University
Logan Himes, University of California Davis
Yuan Zheng, University of California Davis
Nicholas Renninson, Lancaster University
Benjamin Rodgers, Lancaster University
Rosa Letizia, Lancaster University
Diana Gamzina, SLAC National Accelerator Laboratory
Neville C. Luhmann, University of California Davis
Claudio Paoloni, Lancaster University

17-4:

Efficient Regime of Hybrid Surface-Radiating Waves in a THz Clinotron (Page 155)
Eduard Khutoryan, O. Ya. Usikov Institute for Radiophysics and Electronics of NAS of Ukraine & University of Fukui
Sergey Ponomarenko, O. Ya. Usikov Institute for Radiophysics and Electronics of NAS of Ukraine
Sergey Kishko, O. Ya. Usikov Institute for Radiophysics and Electronics of NAS of Ukraine
Konstantin Lukin, O. Ya. Usikov Institute for Radiophysics and Electronics of NAS of Ukraine
Yoshinori Tatematsu, University of Fukui
Seitaro Mitsudo, University of Fukui
Masahiko Tani, University of Fukui
Alexei Kuleshov, O. Ya. Usikov Institute for Radiophysics and Electronics of NAS of Ukraine & University of Fukui

Session 18: Thermionic Cathodes 
Chair: Max Mankin, Modern Electron

18-2:

First-Principles Model of Miram Curve from Polycrystalline Tungsten Cathodes (Page 157)
Dongzheng Chen, University of Wisconsin-Madison
Ryan Jacobs, University of Wisconsin-Madison
Dane Morgan, University of Wisconsin-Madison
John Booske, University of Wisconsin-Madison

18-3:

Searching for Low Work Function Perovskite Oxides using Density Functional Theory (Page 159)
Tianyu Ma, University of Wisconsin-Madison
Ryan Jacobs, University of Wisconsin-Madison
Dane Morgan, University of Wisconsin-Madison
John Booske, University of Wisconsin-Madison

18-4:

Experimental Investigation of Bulk and Thin Film Perovskite SrVO₃ as a Thermionic Cathode Material (Page 161)
Lin Lin, University of Wisconsin-Madison
Ryan Jacobs, University of Wisconsin-Madison
Samuel D. Marks, University of Wisconsin-Madison
Paul G. Evans, University of Wisconsin-Madison
Dane Morgan, University of Wisconsin-Madison
John Booske, University of Wisconsin-Madison

18-5:

Long Lifetime Oxide Cathode for HIRFL-CSR Electron Cooler (Page 163)
Xiaoxia Wang, Chinese Academy of Sciences
Shui Zhang, Chinese Academy of Sciences
Xingqi Wang, Chinese Academy of Sciences
Qinglan Zhao, Chinese Academy of Sciences
Yun Li, Chinese Academy of Sciences

18-6:

Self-Healing LaB6 Emitters (Page 165)
Victor Katsap, NuFlare Technology America, Inc

Session 19: Modeling: TWTs 
Chair: Filippo Capolino, University of California, Irvine

19-1:

Adjoint Approach to Optimization and Sensitivity Analysis of Beam Wave Interaction in Vacuum Electronic Devices (Page 167)
Alexander N. Vlasov, Naval Research Laboratory
Thomas M. Antonsen, Jr., Leidos Inc.
David P. Chernin, Leidos Inc.
Igor A. Chernyavskiy, Naval Research Laboratory

19-2:

Progress with DIMOHA for Fast Time-Domain Simulations of Traveling-Wave Tubes (Page 169)
Frédéric André, Thales AVS/MIS
Damien F. G. Minenna, Thales AVS/MIS
Khalil Aliane, Centre National d'Études Spatiales & Aix-Marseille Université & Thales AVS/MIS
Yves Elskens, Aix-Marseille Université
Alexandre Poyé, Aix-Marseille Université
Jérôme Puech, Centre National d'Études Spatiales
Fabrice Doveil, Aix-Marseille Université

19-3:

Stability Analysis of VE Amplifiers Based on Determinant Equations (Page 171)
Vadim Jabotinski, Leidos
Thomas M. Antonsen, Jr., Leidos
Alexander N. Vlasov, Naval Research Laboratory
Igor A. Chernyavskiy, Naval Research Laboratory

19-4:

Analysis of Power Holes in Helix Traveling-Wave Tubes with Non-Uniform Delay-Lines (Page 173)
Moritz Hägermann, Hamburg University of Technology
Michael Wulff, Hamburg University of Technology
Philip Birtel, Thales Deutschland GmbH
Arne F. Jacob, Hamburg University of Technology

19-6:

Design Method of Focusing Magnetic Field for Restraining Dynamic Defocusing of High Efficiency TWT (Page 175)
Jiahui Fan, University of Electronic Science and Technology of China
Quan Hu, University of Electronic Science and Technology of China
Yulu Hu, University of Electronic Science and Technology of China
Xiaofang Zhu, University of Electronic Science and Technology of China
Bin Li, University of Electronic Science and Technology of China
Tao Huang, University of Electronic Science and Technology of China
Xiaolin Jin, University of Electronic Science and Technology of China
Li Xu, University of Electronic Science and Technology of China

Session 20: TWTs 
Chair: Ziaoling Zhai, L3Harris EDD

20-1:

A Large Bandwidth Double-layer Asymmetric Planar Microstrip Line Ka Band Traveling Wave Tube (Page 177)
Wenchen Xiang, Southeast University
Ningfeng Bai, Southeast University
Xiaohan Sun, Southeast University
Pan Pan, Beijing Vacuum Electronics Institution
Jun Cai, Beijing Vacuum Electronics Institution
Jinjun Feng, Beijing Vacuum Electronics Institution
Yang Xie, Nanjing University of Science and Technology
Wei Hong, Nanjing University of Science and Technology

20-2:

A Thermal Analysis Method for Dielectric Supported Ring-bar Meander Line Slow Wave Structure (Page 179)
Yang Dong, University of Electronic Science and Technology of China
Hexin Wang, University of Electronic Science and Technology of China
Zijun Chen, University of Electronic Science and Technology of China
Zhanliang Wang, University of Electronic Science and Technology of China
Zhigang Lu, University of Electronic Science and Technology of China
Huarong Gong, University of Electronic Science and Technology of China
Zhaoyun Duan, University of Electronic Science and Technology of China
Yubin Gong, University of Electronic Science and Technology of China
Shaomeng Wang, Nanyang Technological University

20-3:

Collector Efficiency Enhancement in TWTs through Beam Refocussing Section (Page 181)
A. Mercy Latha, CSIR — Central Electronics Engineering Research Institute
Vishant Gahlaut, Banasthali University
S.K. Ghosh, CSIR — Central Electronics Engineering Research Institute

20-4:

Design of Ka-Band High-Power TWT (Page 183)
Zhixin Yang, University of Electronic Science and Technology of China
Qi Wang, University of Electronic Science and Technology of China
Zugen Guo, University of Electronic Science and Technology of China
Rujing Ji, University of Electronic Science and Technology of China
Yubin Gong, University of Electronic Science and Technology of China
Huarong Gong, University of Electronic Science and Technology of China

Session 21: Gyrotrons 
Chair: Lawrence Ives, Calabazas Creek Research

21-1:

Frequency Tuning and Spectrum Control in Sub-THz Gyrotrons (Page 185)
Mikhail Glyavin, Insitute of Applied Physics RAS
Gregory Denisov, Insitute of Applied Physics RAS
Alexey Fedotov, Insitute of Applied Physics RAS
Andrey Fokin, Insitute of Applied Physics RAS
Irina Zotova, Insitute of Applied Physics RAS
Alexander Bogdashov, Insitute of Applied Physics RAS

21-3:

Mechanical Design Study for Gyrotron ExB Drift Two-Stage Depressed Collector (Page 187)
Benjamin Ell, Karlsruhe Institute of Technology (KIT)
Ioannis Gr. Pagonakis, Karlsruhe Institute of Technology (KIT)
Chuanren Wu, Karlsruhe Institute of Technology (KIT)
David Albert, Karlsruhe Institute of Technology (KIT)
Gerd Gantenbein, Karlsruhe Institute of Technology (KIT)
Stefan Illy, Karlsruhe Institute of Technology (KIT)
Thorsten Kobarg, Karlsruhe Institute of Technology (KIT)
Tomasz Rzesnicki, Karlsruhe Institute of Technology (KIT)
Manfred Thumm, Karlsruhe Institute of Technology (KIT)
John Jelonnek, Karlsruhe Institute of Technology (KIT)

21-4:

Secondary Electron Simulations of a Gyrotron Collector with Magnetic Sweeping and Voltage Depression (Page 189)
Stephen Cauffman, Communications & Power Industries
Monica Blank, Communications & Power Industries
Philipp Borchard, Communications & Power Industries
Kevin Felch, Communications & Power Industries

21-6:

An Improved Design for High-power Coaxial-cavity Gyrotron with Misaligned Insert (Page 191)
Shan Zhang, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Qianzhong Xue, Chinese Academy of Sciences & University of Chinese Academy of Sciences

Poster Session 1

1: TWT/Linear Beam 

P1-1:

Design of a Source for GHz Ultra-Wide Bandwidth Applications Using the Two-Stream Instability (Page 193)
Derek Neben, Los Alamos National Laboratory
Kip Bishofberger, Los Alamos National Laboratory
Vitaly Pavlenko, Los Alamos National Laboratory
Nikolai Yampolsky, Los Alamos National Laboratory

P1-2:

The Verification of the Expression of the Interaction Impedance and Ohmic Losses of the Nonuniform-Grating-Based Slow Wave Structure (Page 195)
Fengzhen Zhang, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Zhaochuan Zhang, Chinese Academy of Sciences
Dongping Gao, Chinese Academy of Sciences
Xiaoyan Wang, Chinese Academy of Sciences & University of Chinese Academy of Sciences

P1-3:

The Hot Dispersion Equation of the Backward Wave Oscillator with the Nonuniform Grating (Page 197)
Fengzhen Zhang, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Zhaochuan Zhang, Chinese Academy of Sciences
Dongping Gao, Chinese Academy of Sciences
Xiaoyan Wang, Chinese Academy of Sciences & University of Chinese Academy of Sciences

P1-4:

Analysis of High Frequency Characteristics for a Meander Line Slow-wave Structure (Page 199)
Zheng Wen, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Jirun Luo, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Yu Fan, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Chen Yang, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Fang Zhu, University of Chinese Academy of Sciences
Min Zhu, University of Chinese Academy of Sciences
Wei Guo, University of Chinese Academy of Sciences
Yubin Gong, University of Electronic Science and Technology of China
Jinjun Feng, Beijing Vacuum Electronics Research Institute

P1-5:

Design of Ridge-Loaded Slow-Wave System in Terahertz Band (Page 201)
Xiaohan Zhang, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Linlin Cao, Chinese Academy of Sciences
Fei Li, Chinese Academy of Sciences
Jun He, Chinese Academy of Sciences
Mingguang Huang, Chinese Academy of Sciences

P1-6:

Research on Vacuum Test of Sealed TWT (Page 203)
Feng Zou, Chinese Academic of Sciences & University of Chinese Academy of Sciences
Xin'ai Liu, Chinese Academic of Sciences
Gang Wang, Chinese Academic of Sciences & University of Chinese Academy of Sciences
Kangsong Tang, Chinese Academic of Sciences
Fangfang Song, Science and Technology on Reliability Physics and Application Technology of Electronic Component Laboratory

P1-8:

Simulations of a Coaxial Multipactor Testbed (Page 205)
Rajani Budha, University of New Mexico
Salvador Portillo, University of New Mexico
Edl Schamiloglu, University of New Mexico

P1-9:

Application of Filter in TWT Energy Transmission Coupler (Page 207)
Lianbing Li, University of Chinese Academy of Sciences & Chinese Academy of Sciences
Liu Xiao, University of Chinese Academy of Sciences & Chinese Academy of Sciences
Hongxia Yi, Chinese Academy of Sciences
Linlin Cao, University of Chinese Academy of Sciences & Chinese Academy of Sciences
Shirui Miao, University of Chinese Academy of Sciences & Chinese Academy of Sciences

P1-10:

S Band Miniaturized Reversed Cherenkov Oscillator with Uniform Magnetic Focusing System (Page 209)
Hengyu Luo, University of Electronic Science and Technology of China
Shengkun Jiang, University of Electronic Science and Technology of China
Xin Wang, University of Electronic Science and Technology of China
Tao Tang, University of Electronic Science and Technology of China
Yubin Gong, University of Electronic Science and Technology of China
Zhaoyun Duan, University of Electronic Science and Technology of China

P1-11:

Enhance the Efficiency of Sheet Beam TWT with Advanced Optimization Algorithm (Page 211)
Zeng Liu, University of Electronic Science and Technology of China
Jianxun Wang, University of Electronic Science and Technology of China
Yixin Wan, University of Electronic Science and Technology of China
Qiang Liu, University of Electronic Science and Technology of China
Yong Luo, University of Electronic Science and Technology of China

P1-12:

Effect of Noisy Input Signal and Electron Beam Velocity Nonuniform on Helix TWT Output Performance (Page 213)
Changsheng Shen, Southeast University
Jin Zhang, Southeast University
Hehong Fan, Southeast University
Ningfeng Bai, Southeast University
Xiaohan Sun, Southeast University

P1-13:

Simulation Design of TWT Based on CNT Cold Cathode (Page 215)
Yanan Liu, University of Electronic Science and Technology of China
Xiaotao Xu, University of Electronic Science and Technology of China
Xuesong Yuan, University of Electronic Science and Technology of China
Rui Wang, University of Electronic Science and Technology of China
Hailong Li, University of Electronic Science and Technology of China
Bin Wang, University of Electronic Science and Technology of China
Yong Yin, University of Electronic Science and Technology of China
Lin Meng, University of Electronic Science and Technology of China
Yang Yan, University of Electronic Science and Technology of China

P1-14:

Broad bandwidth Suspending Conformal Angular Meander Line Slow Wave Structure (Page 217)
Tenglong He, University of Electronic Science and Technology of China
Duo Xu, University of Electronic Science and Technology of China
Hexin Wang, University of Electronic Science and Technology of China
Wei Shao, University of Electronic Science and Technology of China
Zhanliang Wang, University of Electronic Science and Technology of China
Zhigang Lu, University of Electronic Science and Technology of China
Huarong Gong, University of Electronic Science and Technology of China
Zhaoyun Duan, University of Electronic Science and Technology of China
Yubin Gong, University of Electronic Science and Technology of China
Jinjun Feng, Beijing Vacuum Electronics Research Institute

P1-15:

A Low-Voltage Backward Wave Oscillator Operating at THz Band (Page 219)
Wei Shao, University of Electronic Science and Technology of China
Duo Xu, University of Electronic Science and Technology of China
Zhanliang Wang, University of Electronic Science and Technology of China
Huarong Gong, University of Electronic Science and Technology of China
Tao Tang, University of Electronic Science and Technology of China
Zhaoyun Duan, University of Electronic Science and Technology of China
Zhigang Lu, University of Electronic Science and Technology of China
Yanyu Wei, University of Electronic Science and Technology of China
Yubin Gong, University of Electronic Science and Technology of China
Jinjun Feng, Beijing Vacuum Electronics Research Institute

P1-17:

A Novel Feeback Circuit of Beam-Wave Interaction for THz Amplifier (Page 221)
Luanfeng Gao, University of Electronic Science and Technology of China
Yulu Hu, University of Electronic Science and Technology of China
Quan Hu, University of Electronic Science and Technology of China
Xiaofang Zhu, University of Electronic Science and Technology of China
Jianqing Li, University of Electronic Science and Technology of China
Bin Li, University of Electronic Science and Technology of China
Tao Huang, University of Electronic Science and Technology of China
Wenkai Deng, University of Electronic Science and Technology of China
Xiaobing Wang, University of Electronic Science and Technology of China

P1-18:

Thermal Impact on Metamaterial Absorber in Traveling-Wave Tube (Page 223)
Fuxian Zhong, Southeast University
Ningfeng Bai, Southeast University
Changsheng Shen, Southeast University
Xiaohan Sun, Southeast University
Pan Pan, Beijing Vacuum Electronics Institution
Jun Cai, Beijing Vacuum Electronics Institution
Jinjun Feng, Beijing Vacuum Electronics Institution

P1-19:

A 0.67-THz Sheet Electron-Beam TWT Based upon Sine Waveguide (Page 225)
Wuyang Fan, University of Electronic Science and Technology of China
Shuanzhu Fang, University of Electronic Science and Technology of China
Jin Xu, University of Electronic Science and Technology of China
Lingna Yue, University of Electronic Science and Technology of China
Hairong Yin, University of Electronic Science and Technology of China
Guoqing Zhao, University of Electronic Science and Technology of China
Wenxiang Wang, University of Electronic Science and Technology of China
Wenxin Liu, Institute of Electronics, Chinese Academy of Science
Luwei Liu, Anhui East China Photoelectric Technology Research Institute Co., Ltd
Dazhi Li, Neubrex.Ltd
Yanyu Wei, University of Electronic Science and Technology of China

P1-20:

Development of an X-Band 600-W Pulsed Mini-TWT (Page 227)
Linlin Cao, Chinese Academic of Sciences & University of Chinese Academy of Sciences
Liu Xiao, Chinese Academic of Sciences & University of Chinese Academy of Sciences
Lianbing Li, Chinese Academic of Sciences & University of Chinese Academy of Sciences
Xiaohan Zhang, Chinese Academic of Sciences & University of Chinese Academy of Sciences
Xinwen Shang, Chinese Academic of Sciences & University of Chinese Academy of Sciences
Yanwei Li, Chinese Academic of Sciences & University of Chinese Academy of Sciences
Ning Li, Chinese Academic of Sciences & University of Chinese Academy of Sciences
Mingguang Huang, Chinese Academic of Sciences & University of Chinese Academy of Sciences

P1-21:

PIC Simulation in the Reversed Magnetic Field of MW-DC Cyclotron Wave Converter (Page 229)
Maho Matsukura, University of Tsukuba
Kohei Shimamura, University of Tsukuba
Shigeru Yokota, University of Tsukuba
Masafumi Fukunari, University of Fukui
Yoshinori Tatematsu, University of Fukui

P1-22:

W-Band Multi-Beam Sine Waveguide Traveling-Wave Tube with Low Current Density (Page 231)
Shuanzhu Fang, University of Electronic Science and Technology of China
Jin Xu, University of Electronic Science and Technology of China
Xia Lei, University of Electronic Science and Technology of China
Gangxiong Wu, University of Electronic Science and Technology of China
Ruichao Yang, University of Electronic Science and Technology of China
Pengcheng Yin, University of Electronic Science and Technology of China
Hairong Yin, University of Electronic Science and Technology of China
Lingna Yue, University of Electronic Science and Technology of China
Guoqing Zhao, University of Electronic Science and Technology of China
Wei Yang, University of Electronic Science and Technology of China
Zhigang Lu, University of Electronic Science and Technology of China
Yubin Gong, University of Electronic Science and Technology of China
Wenxiang Wang, University of Electronic Science and Technology of China
Yanyu Wei, University of Electronic Science and Technology of China

P1-23:

A New Type of 0.34-THz Sine Waveguide Slow-Wave Structure (Page 233)
Xueheng Zhang, University of Electronic Science and Technology of China
Jin Xu, University of Electronic Science and Technology of China
Shuanzhu Fang, University of Electronic Science and Technology of China
Xuebing Jiang, University of Electronic Science and Technology of China
Pengcheng Yin, University of Electronic Science and Technology of China
Jingjing Luo, University of Electronic Science and Technology of China
Yijun Hu, University of Electronic Science and Technology of China
Xiuling Ge, University of Electronic Science and Technology of China
Hairong Yin, University of Electronic Science and Technology of China
Lingna Yue, University of Electronic Science and Technology of China
Guoqing Zhao, University of Electronic Science and Technology of China
W. Yang, University of Electronic Science and Technology of China
W. X. Wang, University of Electronic Science and Technology of China
Y. B. Gong, University of Electronic Science and Technology of China
W. X. Liu, Chinese Academy of Science
D. Z. Li, Neubrex.Ltd.
Y. Y. Wei, University of Electronic Science and Technology of China

P1-24:

Analytical Analysis of Saturation Output Power for Traveling-Wave Tube (Page 235)
Zhang Shen, University of Electronic Science and Technology of China
Hairong Yin, University of Electronic Science and Technology of China
ShiRong Wang, University of Electronic Science and Technology of China
DongDong Jia, University of Electronic Science and Technology of China
Jun Cheng, University of Electronic Science and Technology of China
Yue Zhao, University of Electronic Science and Technology of China
Jin Xu, University of Electronic Science and Technology of China
Lingna Yue, University of Electronic Science and Technology of China
Guoqing Zhao, University of Electronic Science and Technology of China
WenXiang Wang, University of Electronic Science and Technology of China
L.W. Liu, Anhui East China Photoelectric Technology Research Institute Co., Ltd
Y.Y Wei, University of Electronic Science and Technology of China

P1-25:

Joint Simulation of Electron Optical System and Beam-wave Interaction of V Band Folded Waveguide TWT (Page 237)
Xiuling Ge, University of Electronic Science and Technology of China
Jin Xu, University of Electronic Science and Technology of China
Lingna Yue, University of Electronic Science and Technology of China
Hairong Yin, University of Electronic Science and Technology of China
Guoqing Zhao, University of Electronic Science and Technology of China
Wenxiang Wang, University of Electronic Science and Technology of China
Z.G Lu, University of Electronic Science and Technology of China
T. Tao, University of Electronic Science and Technology of China
H.R. Gong, University of Electronic Science and Technology of China
Y.B Gong, University of Electronic Science and Technology of China
Yanyu Wei, University of Electronic Science and Technology of China

P1-27:

Study of a Ka-Band Helix TWT with Semi-Metallic Rod (Page 239)
Xiaoxia Hu, University of Electronic Science and Technology of China
Lingna Yue, University of Electronic Science and Technology of China
Kai Chen, University of Electronic Science and Technology of China
Shirong Wang, University of Electronic Science and Technology of China
Maosong Gou, University of Electronic Science and Technology of China
Guoqing Zhao, University of Electronic Science and Technology of China
Jin Xu, University of Electronic Science and Technology of China
Baorong Qiu, Chengdu Guoguang Electric Co., Ltd.
Li Huang, Chengdu Guoguang Electric Co., Ltd.
Wenxiang Wang, University of Electronic Science and Technology of China
Hairong Yin, University of Electronic Science and Technology of China
Wei Yang, University of Electronic Science and Technology of China
Yanyu Wei, University of Electronic Science and Technology of China

P1-28:

Design and Cold Test of a Ka-band Fan-Shaped Metal Loaded Helix Traveling Wave Tube (Page 241)
Yixin Li, University of Electronic Science and Technology of China
Lingna Yue, University of Electronic Science and Technology of China
Baorong Qiu, Guoguang Elecric Co., Ltd.
Huaying Gao, Guoguang Elecric Co., Ltd.
Shirong Wang, University of Electronic Science and Technology of China
Guoqing Zhao, University of Electronic Science and Technology of China
Jin Xu, University of Electronic Science and Technology of China
Hairong Yin, University of Electronic Science and Technology of China
Zhaoyun Duan, University of Electronic Science and Technology of China
Mingzhi Huang, University of Electronic Science and Technology of China
Yubin Gong, University of Electronic Science and Technology of China
Wenxiang Wang, University of Electronic Science and Technology of China
Yanyu Wei, University of Electronic Science and Technology of China

2: Components Posters 

P2-1:

Design and Experiment Test of an L-Band RF Window (Page 243)
Xiudong Yang, Chinese Academy of Sciences
Rui Zhang, Chinese Academy of Sciences
Zhihui Geng, Chinese Academy of Sciences
Yunfeng Liao, Chinese Academy of Sciences
Zhiqiang Zhang, Chinese Academy of Sciences

P2-2:

Design and Test of a C-Band Water Load (Page 245)
Rui Zhang, Chinese Academy of Sciences
Xiudong Yang, Chinese Academy of Sciences
Yunfeng Liao, Chinese Academy of Sciences
Zhihui Geng, Chinese Academy of Sciences
Zhiqiang Zhang, Chinese Academy of Sciences

P2-3:

Design of 94GHz TE₁₁-HE₁₁ Mode Converter (Page 247)
Wei Zhang, University of Electronic Science and Technology of China
Qian Wang, University of Electronic Science and Technology of China
Xinjian Niu, University of Electronic Science and Technology of China

P2-5:

An Innovative Metal/Insulator/Metal Structure for Application of Damping Oscillator within One-Selector-One-Resistance (Page 249)
Chih-Yang Lin, National Sun Yat-Sen University
Po-Hsun Chen, Chinese Naval Academy

P2-7:

Dynamics Analysis of Particles in Coaxial Lines Loaded Ceramic window (Page 251)
Yao Long, Chinese Academy & University of Chinese Academy of Sciences
Zhang Rui, Chinese Academy
Wang Yong, Chinese Academy & University of Chinese Academy of Sciences
Zhang Xue, Xiang tan University

P2-8:

Compact Oversized TE01-to-TE11 Mode Converter Based on Deformed Waveguide (Page 253)
Zewei Wu, University of Electronic Science and Technology of China
Xiaoyi Liao, University of Electronic Science and Technology of China
Minxing Wang, University of Electronic Science and Technology of China
Ding Li, University of Electronic Science and Technology of China
Jianxun Wang, University of Electronic Science and Technology of China
Yong Luo, University of Electronic Science and Technology of China

3: Gyrotrons Poster 

P3-2:

Design on a 100-kW-level Gyrotron Operating at 30 GHz (Page 255)
Yanyan Zhang, Science and Technology on Electronic information Control Laboratory
Qiao Liu, University of Electronic Science and Technology of China
Rutai Chen, University of Electronic Science and Technology of China
Lina Wang, University of Electronic Science and Technology of China
Zhipeng Wang, University of Electronic Science and Technology of China

P3-3:

Electron Beam Defocusing for the Collector of W-band Large Power Gyrotron (Page 257)
Guo Guo, University of Electronic Science and Technology of China
Jianwei Liu, University of Electronic Science and Technology of China
Xinjian Niu, University of Electronic Science and Technology of China
Yinghui Liu, University of Electronic Science and Technology of China
Hui Wang, University of Electronic Science and Technology of China

P3-4:

Simulation of Transverse Field Sweeping System with Different Modulation Waves for MW-Class Gyrotron (Page 259)
Kai Wang, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Qianzhong Xue, Chinese Academy of Sciences & University of Chinese Academy of Sciences

P3-5:

Design and Study of W-band Gyrotron with Output Power of 150 kW Level (Page 261)
Yujie Zhang, University of Electronic Science and Technology
Qiao Liu, University of Electronic Science and Technology
Yinghui Liu, University of Electronic Science and Technology of China
Xinjian Niu, University of Electronic Science and Technology
Jianwei Liu, University of Electronic Science and Technology

P3-6:

Investigation on a 170 GHz/230 GHz Dual Mode Megawatt-class Gyrotron For CFETR (Page 263)
Qiao Liu, University of Electronic Science and Technology of China
Xinjian Niu, University of Electronic Science and Technology of China
Yinghui Liu, University of Electronic Science and Technology of China
Jianwei Liu, University of Electronic Science and Technology of China
Lina Wang, University of Electronic Science and Technology of China
Jie Qing, University of Electronic Science and Technology of China

P3-7:

Design and Simulation of a 140GHz Gyro-TW with Dielectric Loaded Waveguide (Page 265)
Rutai Chen, University of Electronic Science and Technology of China
Sheng Yu, University of Electronic Science and Technology of China
Zhipeng Wang, University of Electronic Science and Technology of China
Tianzhong Zhang, University of Electronic Science and Technology of China
Weihua Ge, University of Electronic Science and Technology of China

P3-8:

A Study on Instabilities of 220 GHz Confocal Waveguide Gyro-TWT (Page 267)
Jie Yang, Chinese Academy & University of Chinese Academy of Sciences
Shouxi Xu, Chinese Academy
Yong Wang, Chinese Academy & University of Chinese Academy of Sciences
Xiaoyan Wang, Chinese Academy & University of Chinese Academy of Sciences
Lianzheng Zhang, Chinese Academy

P3-9:

Simulation of a 0.33-THz Second Harmonic Gyrotron Based on Double Confocal Cavity (Page 269)
Xiaotong Guan, University of Electronic Science and Technology of China
Wenjie Fu, University of Electronic Science and Technology of China
Jiayi Zhang, University of Electronic Science and Technology of China
Dun Lu, University of Electronic Science and Technology of China
Xiaolei Zheng, University of Electronic Science and Technology of China
Yang Yan, University of Electronic Science and Technology of China

P3-12:

Formation of Electron Flows for Diagnostic Gyrotrons by Electron-Optical Systems with Multi-Tip Field Emitters (Page 271)
Gennadii Sominskii, Peter the Great St.Petersburg Polytechnic University
Evgeny Taradaev, Peter the Great St.Petersburg Polytechnic University
Vladimir Manuilov, Insitute of Applied Physics RAS
Mikhail Glyavin, Insitute of Applied Physics RAS

P3-13:

Some Advantages of the Gyrotrons with Width Emitters (Page 273)
Mikhail Proyavin, Institute of Applied Physics RAS
Gregory Nusinovich, University of Maryland
Olgierd Dumbrajs, University of Latvia
Mikhail Glyavin, Institute of Applied Physics RAS

P3-14:

Design of Coaxial Resonator in TE_{28, 8} Mode Generator (Page 275)
Shuang Chen, University of Electronic Science and Technology of China
Yinghui Liu, University of Electronic Science and Technology of China
Jianwei Liu, University of Electronic Science and Technology of China
Lina Wang, University of Electronic Science and Technology of China
Xinjian Niu, University of Electronic Science and Technology of China
Liwei Wang, Beijing Jiaotong University

P3-15:

Study on Beam Phase Correcting for Gyrotron Quasi-optical Mode Converter (Page 277)
Guohui Zhao, Taishan University
Yong Wang, Chinese Academy & University of Chinese Academy of Sciences
Qianzhong Xue, Chinese Academy & University of Chinese Academy of Sciences

P3-16:

Study on Beam-Shaping Mirrors Based on Gaussian Beam Propagation Theory (Page 279)
Guohui Zhao, Taishan University
Yong Wang, Chinese Academy & University of Chinese Academy of Sciences
Qianzhong Xue, Chinese Academy & University of Chinese Academy of Sciences

P3-17:

Design Studies of Quasi-Optical Mode Converter for 105 GHz High-Power Gyrotron (Page 281)
Debasish Mondal, Indian Institute of Technology Roorkee
S. Yuvaraj, National Institute of Technology Andhra Pradesh
S. Adya, Indian Institute of Technology Roorkee
A. S. Thakur, Indian Institute of Technology Roorkee
M.V. Kartikeyan, Indian Institute of Technology Roorkee

P3-18:

Effect of the Position Variation of the Launcher Cut on the Conversion Efficiency of the Gaussian Beam in a Denisov-type Mode Converter (Page 283)
Chen Yang, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Wenqi Li, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Zhiqiang Zhang, Chinese Academy of Sciences & University of Chinese Academy of Sciences
ZhiXian Li, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Menglong Jiao, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Min Zhu, Chinese Academy of Sciences
Wei Guo, Chinese Academy of Sciences
Jirun Luo, Chinese Academy of Sciences & University of Chinese Academy of Sciences

P3-19:

Design of Mode Converter Based on Genetic Algorithm (Page 285)
Qian Wang, University of Electronic Science and Technology of China
Yinghui Liu, University of Electronic Science and Technology of China
Jianwei Liu, University of Electronic Science and Technology of China
Lina Wang, University of Electronic Science and Technology of China

P3-23:

Stabilization of Phase and Frequency of an S-Band Magnetron by Injection Locking (Page 287)
Seong-Tae Han, Korea Electrotechnology Research Institute & University of Science and Technology
Dokyun Kim, Korea Electrotechnology Research Institute & University of Science and Technology
Jong-Soo Kim, Korea Electrotechnology Research Institute
Jong-Ryul Yang, Yeungnam University

Poster Session 2

4: Klystrons - Poster 

P4-1:

Design of a double­gap Hughes-type coupled­cavity for a Ka­band Extended Interaction Klystron (Page 289)
Vincenzo A. Zito, University of Palermo
Antonino Muratore, University of Palermo
Patrizia Livreri, University of Palermo

P4-2:

Radial Multigap Resonant Cavity for W-Band High Power EIK (Page 291)
Shaomeng Wang, Nanyang Technological University
Yuanjin Zheng, Nanyang Technological University
Sheel Aditya, Nanyang Technological University

P4-3:

Research on the Competition Mode Suppression in Coaxial Extended Interaction Structure (Page 293)
Zhang Xu, Chinese Academy & University of Chinese Academy of Sciences
Zhang Rui, Chinese Academy & University of Chinese Academy of Sciences
Wang Yong, Chinese Academy & University of Chinese Academy of Sciences

P4-4:

Characteristics of Electric Field Distribution in a G-band Overmoded Extended Interaction Oscillator (Page 295)
Che Xu, University of Electronic Science and Technology of China
Lin Meng, University of Electronic Science and Technology of China
Liangjie Bi, University of Electronic Science and Technology of China
Zhiwei Chang, University of Electronic Science and Technology of China
Bin Wang, University of Electronic Science and Technology of China
Hailong Li, University of Electronic Science and Technology of China
Yong Yin, University of Electronic Science and Technology of China

P4-5:

Analysis on Resonant Cavities of 231GHz EIA with Trapezoid Subwavelength Holes (Page 297)
Yu Ji, University of Electronic Science and Technology of China
Zongjun Shi, University of Electronic Science and Technology of China
Ziqiang Yang, University of Electronic Science and Technology of China
Feng Lan, University of Electronic Science and Technology of China

P4-7:

Design of X-Band 20-MW Klystron (Page 299)
Toshiro Anno, Canon Electron Tubes & Devices Co., Ltd.
Yoshihisa Okubo, Canon Electron Tubes & Devices Co., Ltd.

P4-8:

Numerical Simulation of Electron Bunching Characteristics of Inductive Output Tube (Page 301)
Zhi-Hui Geng, Chinese Academy of Sciences
Rui Zhang, Chinese Academy of Sciences
Xiu-Dong Yang, Chinese Academy of Sciences
Yun-Feng Liao, Chinese Academy of Sciences
Ting-Hua Wen, Chinese Academy of Sciences
Shou-Xi Xu, Chinese Academy of Sciences

5: High Power Microwaves 

P5-1:

Development of Composites for Nonlinear Transmission Lines (Page 303)
Travis D. Crawford, Purdue University
Andrew J. Fairbanks, Purdue University
Xiaojun Zhu, Purdue University
Julio A. Hernandez, Purdue University
Tyler N. Tallman, Purdue University
Allen L. Garner, Purdue University

P5-2:

Predicting Effective Dielectric Properties of Composites for Nonlinear Transmission Lines Using Effective Medium Theories and CST Microwave Studios (Page 305)
Xiaojun Zhu, Purdue University
Andrew J. Fairbanks, Purdue University
Travis D. Crawford, Purdue University
Allen L. Garner, Purdue University

P5-3:

Compact and High-efficiency Metamaterial Extended Interaction Oscillator (Page 307)
Xin Wang, University of Electronic Science and Technology of China
Hengyu Luo, University of Electronic Science and Technology of China
Xuanming Zhang, University of Electronic Science and Technology of China
Tao Tang, University of Electronic Science and Technology of China
Zhanliang Wang, University of Electronic Science and Technology of China
Huarong Gong, University of Electronic Science and Technology of China
Yubin Gong, University of Electronic Science and Technology of China
Baidyanath Basu, Supreme Knowledge Foundation Group of Institutions
Zhaoyun Duan, University of Electronic Science and Technology of China

P5-4:

High Power Microwave Measurement Techniques at CEA-Gramat (Page 309)
Antoine Chauloux, CEA-Gramat
Jean-Christophe Diot, CEA-Gramat
Nicolas Ribiére Tharaud, CEA-Gramat
Jérémy Pothée, CEA-Gramat

P5-7:

Design Analysis of a Tunable Tapered Metallic Baffle TM₀₁ to TE₁₁ HPM Mode Converter (Page 311)
Vikram Kumar, Sri Venkateswara College of Engineering & Technology
Pradip K. Jain, National Institute of Technology Patna & IIT (BHU) Varanasi

P5-8:

Power Capabilities of Vircators: A Comparison between Simulations, Experiments, and Theory (Page 313)
Ernesto Neira, Technology and Innovation Institute
Felix Vega, Technology and Innovation Institute
Chaouki Kasmi, Technology and Innovation Institute
Fahad AlYafei, Technology and Innovation Institute

P5-10:

Power and Efficiency Enhancement of the Reltron Using Dual RF Output Cavities (Page 315)
Garima Dubey, National Institute of Technology Patna
Manpuran Mahto, National Institute of Technology Patna
P. K. Jain, National Institute of Technology Patna

P5-11:

Design of the Quasi-Optical Transmission Line for Millimeter Wave Deep Drilling (Page 317)
Lina Wang, University of Electronic Science and Technology of China
Xinjian Niu, University of Electronic Science and Technology of China
Jianwei Liu, University of Electronic Science and Technology of China
Qiao Liu, University of Electronic Science and Technology of China
Shuang Chen, University of Electronic Science and Technology of China
Liwei Wang, Beijing Jiaotong University

6: Microfab/THz 

P6-2:

Metal-Graphene Metamaterial for Wide Band Absorber (Page 319)
Renbin Zhong, University of Electronic Science and Technology of China
Yan Liu, University of Electronic Science and Technology of China
Yiqing Wang, University of Electronic Science and Technology of China
Long Yang, University of Electronic Science and Technology of China
Anchen Ma, University of Electronic Science and Technology of China
Shenggang Liu, University of Electronic Science and Technology of China

P6-3:

T-shape Vane Slow-wave Structure for 220 GHz Sheet Beam Traveling-wave Tubes (Page 321)
Yiliang Xu, University of Electronic Science and Technology of China
Shengkun Jiang, University of Electronic Science and Technology of China
Merdan Wulam, University of Electronic Science and Technology of China
Xin Wang, University of Electronic Science and Technology of China
Zhanliang Wang, University of Electronic Science and Technology of China
Yubin Gong, University of Electronic Science and Technology of China
Zhaoyun Duan, University of Electronic Science and Technology of China

P6-4:

A Three-stage Depressed Collector for 220 GHz Sheet Beam Traveling-wave Tubes (Page 323)
Merdan Wulam, University of Electronic Science and Technology of China
Shengkun Jiang, University of Electronic Science and Technology of China
Yiliang Xu, University of Electronic Science and Technology of China
Huarong Gong, University of Electronic Science and Technology of China
Yubin Gong, University of Electronic Science and Technology of China
Zhaoyun Duan, University of Electronic Science and Technology of China

P6-6:

Studies on Millimeter-band Low-Voltage Traveling-Wave Tubes with Planar Meander-Line Slow-Wave Structures (Page 325)
Andrei Starodubov, Saratov State University
Anton Pavlov, Saratov State University
Viktor Galushka, Saratov State University
Alexey Serdobintsev, Saratov State University
Ilya Kozhevnikov, Saratov State University
Dmitry Bessonov, Saratov State Technical University
Roman Torgashov, Institute of Radio Engineering and Electronics RAS
Andrey Rozhnev, Institute of Radio Engineering and Electronics RAS
Nikita Ryskin, Institute of Radio Engineering and Electronics RAS
Sergei Molchanov, Central Institute of Measurement Equipment
Igor Bakhteev, Central Institute of Measurement Equipment
Giacomo Ulisse, Goethe University Frankfurt
Viktor Krozer, Goethe University Frankfurt

P6-7:

Concept and Design of the Terahertz Vacuum Electronic Amplifier Integrated on a Chip (Page 327)
Kaiwen Zhou, University of Electronic Science and Technology of China
Bangrui Zhu, University of Electronic Science and Technology of China
Weijie Wang, University of Electronic Science and Technology of China
Yue Wang, University of Electronic Science and Technology of China
Ding Li, University of Electronic Science and Technology of China
Guo Liu, University of Electronic Science and Technology of China
Jianxun Wang, University of Electronic Science and Technology of China
Guoxiang Shu, Shenzhen University
Yong Luo, University of Electronic Science and Technology of China

P6-8:

Design of G-band Folded Waveguide Traveling-wave Tube (Page 329)
Ping Han, University of Electronic Science and Technology of China
Zugen Guo, University of Electronic Science and Technology of China
Zhixin Yang, University of Electronic Science and Technology of China
Rujing Ji, University of Electronic Science and Technology of China
Ruifeng Zhang, University of Electronic Science and Technology of China
Huarong Gong, University of Electronic Science and Technology of China

P6-9:

The Smith-Purcell Radiation in the Grating-well Structure (Page 331)
Ping Zhang, University of Electronic Science and Technology of China
Yilin Pan, University of Electronic Science and Technology of China
Xiaosong Wang, University of Electronic Science and Technology of China
Lang Wang, University of Electronic Science and Technology of China
Amir Aimidula, Xinjiang University
Mingchun Tang, Chongqing University
Yaxin Zhang, University of Electronic Science and Technology of China
Lin Meng, University of Electronic Science and Technology of China

P6-10:

Research on New Grating Structure Based on 340GHz Super Smith-purcell Radiation (Page 333)
Guanyi Zhang, University of Electronic Science and Technology of China
Zhenhua Wu, University of Electronic Science and Technology of China
Jian Zhang, University of Electronic Science and Technology of China
Min Hu, University of Electronic Science and Technology of China
Renbin Zhong, University of Electronic Science and Technology of China
Shenggang Liu, University of Electronic Science and Technology of China

P6-13:

The Radiation of Two Dimension Dipole Oscillations in Subwavelength Hole Array (Page 335)
Xiaosong Wang, University of Electronic Science and Technology of China
Ping Zhang, University of Electronic Science and Technology of China
Deqiang Zhao, University of Electronic Science and Technology of China
Yilin Pan, University of Electronic Science and Technology of China
Liangjie Bi, University of Electronic Science and Technology of China
Yin Yong, University of Electronic Science and Technology of China
Bin Wang, University of Electronic Science and Technology of China
Hailong Li, University of Electronic Science and Technology of China
Xuesong Yuan, University of Electronic Science and Technology of China
Lin Meng, University of Electronic Science and Technology of China

P6-14:

1 THz Trapezoidal Staggered Grating Traveling Wave Tube (Page 337)
Ruichao Yang, University of Electronic Science & Technology of China
Jin Xu, University of Electronic Science & Technology of China
Pengcheng Yin, University of Electronic Science & Technology of China
Shuanzhu Fang, University of Electronic Science & Technology of China
Gangxiong Wu, University of Electronic Science & Technology of China
Xia Lei, University of Electronic Science & Technology of China
Qian Li, University of Electronic Science & Technology of China
Xuebin Jiang, University of Electronic Science & Technology of China
Jinjing Luo, University of Electronic Science & Technology of China
Lingna Yue, University of Electronic Science & Technology of China
Hairong Yin, University of Electronic Science & Technology of China
Guoqing Zhao, University of Electronic Science & Technology of China
Wei Yang, University of Electronic Science & Technology of China
Wenxiang Wang, University of Electronic Science & Technology of China
Tianjun Ma, Chinese Academy of Science
WenXin Liu, Chinese Academy of Science
Yanyu Wei, University of Electronic Science & Technology of China

Poster Session 3

7: Modeling 

P7-1:

Design and Modeling of a Microwave Plasma Enhanced Chemical Vapor Deposition System at 2.45 GHz (Page 339)
Yilang Jiang, Hanyang University
Kaviya Aranganadin, Hanyang University
Hua-Yi Hsu, National Taipei University of Technology
Ming-Chieh Lin, Hanyang University

P7-2:

Thermal and Structural Analysis of Multi-stage Depressed Collector for G-band Traveling Wave Tubes (Page 341)
Yue Ou, Chinese Academy of Sciences & University of Chinese Academy of Science
WenXin Liu, Chinese Academy of Sciences & University of Chinese Academy of Science
LongLong Yang, Chinese Academy of Sciences & University of Chinese Academy of Science
Zhengyuan Zhao, Chinese Academy of Sciences & University of Chinese Academy of Science

P7-3:

A Simulation Method to Determine the Assembly Distance between Cathode and Heater of Electron Gun (Page 343)
Jingyuan Che, University of Electronic Science and Techology of China
Xiaofang Zhu, University of Electronic Science and Techology of China
Yulu Hu, University of Electronic Science and Techology of China
Quan Hu, University of Electronic Science and Techology of China
Bin Li, University of Electronic Science and Techology of China
Tao Huang, University of Electronic Science and Techology of China
Xiaolin Jin, University of Electronic Science and Techology of China
Li Xu, University of Electronic Science and Techology of China

P7-4:

A Steady-State Theoretical Model Applicable to Solving Klystron Beam-Wave Interaction (Page 345)
Guang Luo, University of Electronic Science and Technology of China
Yulu Hu, University of Electronic Science and Technology of China
Xiaofang Zhu, University of Electronic Science and Technology of China
Quan Hu, University of Electronic Science and Technology of China
Tao Huang, University of Electronic Science and Technology of China
Bin Li, University of Electronic Science and Technology of China
Li Xu, University of Electronic Science and Technology of China
Xiaolin Jin, University of Electronic Science and Technology of China

P7-5:

Prototyping a Broadband Waveguide Circulator Centered at 2.45 GHz Using 3D Printing (Page 347)
Shijun Mi, Hanyang University
Kaviya Aranganadin, Hanyang University
Hua-Yi Hsu, National Taipei University of Technology
Ming-Chieh Lin, Hanyang University

P7-6:

Self-Consistent Modeling of Waveguide Circulator under Realistic Magnetic Field for Industrial Applications (Page 349)
Kaviya Aranganadin, Hanyang University
Hua-Yi Hsu, National Taipei University of Technology
Ming-Chieh Lin, Hanyang University

P7-7:

Simulation and Design of 1THz Backward Wave Oscillator (Page 351)
Peipeng Wang, University of Electronic Science and Technology of China
Zhenhua Wu, University of Electronic Science and Technology of China
Min Hu, University of Electronic Science and Technology of China
Jian Zhang, University of Electronic Science and Technology of China
Gaunyi Zhang, University of Electronic Science and Technology of China
Shenggang Liu, University of Electronic Science and Technology of China

P7-8:

Particle-In-Cell Simulations of Beam-wave Interacion for Sub-Terahertz Folded Waveguide Traveling Wave Tubes (Page 353)
Zhengyuan Zhao, Chinese Academy of Sciences & University of Chinese Academy of Science
WenXin Liu, Chinese Academy of Sciences & University of Chinese Academy of Science
LongLong Yang, Chinese Academy of Sciences & University of Chinese Academy of Science
Yue Ou, Chinese Academy of Sciences & University of Chinese Academy of Science

P7-9:

Research on Internal Temperature Prediction of Slow Wave Structure Based on Experimental Data (Page 355)
Xingqun Zhao, Southeast University
Xiaoting Ying, Southeast University
Xiaohan Sun, Southeast University

P7-10:

Simulation Exploration of Assembly Process and Key Parameters of TWT (Page 357)
Xiaofang Zhu, University of Electronic Science and Technology of China
Jingyuan Che, University of Electronic Science and Technology of China
Yulu Hu, University of Electronic Science and Technology of China
Quan Hu, University of Electronic Science and Technology of China
Bin Li, University of Electronic Science and Technology of China
Tao Huang, University of Electronic Science and Technology of China
Xiaolin Jin, University of Electronic Science and Technology of China
Li Xu, University of Electronic Science and Technology of China

P7-11:

Kinetic Analysis of Two-Dimensional Cyclotron Maser with Single Gratings (Page 359)
Xiaofei Li, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Ding Zhao, Chinese Academy of Sciences
Qianzhong Xue, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Yidong Xiang, Chinese Academy of Sciences & University of Chinese Academy of Sciences

P7-12:

Fast Optimization Design Method of Periodic Permanent Magnet Focusing System for TWT (Page 361)
Shilong Zhu, University of Electronic Science and Technology of China
Quan Hu, University of Electronic Science and Technology of China
Yulu Hu, University of Electronic Science and Technology of China
Xiaofang Zhu, University of Electronic Science and Technology of China
Tao Huang, University of Electronic Science and Technology of China
Bin Li, University of Electronic Science and Technology of China
Li Xu, University of Electronic Science and Technology of China
Xiaolin Jin, University of Electronic Science and Technology of China

P7-13:

Dispersion Relation of Embed Beam-Wave Interaction for Planar Grating Structure Terahertz Radiation Source (Page 363)
LongLong Yang, Chinese Academy of Sciences & University of Chinese Academy of Science
WenXin Liu, Chinese Academy of Sciences & University of Chinese Academy of Science
Zhengyuan Zhao, Chinese Academy of Sciences & University of Chinese Academy of Science
Yue Ou, Chinese Academy of Sciences & University of Chinese Academy of Science

8: Cathodes/Materials/Electron Guns

P8-1:

Quantitative Analysis of Single-Surface Dielectric Multipactor Susceptibility with Dual Carrier Frequencies (Page 365)
Shu Lin, Xi'an Jiaotong University & Michigan State University
Asif Iqbal, Michigan State University
Peng Zhang, Michigan State University
John Verboncoeur, Michigan State University

P8-2:

Thermionic Emission of a Novel Y₂Hf₂O₇ Ceramic Cathode Applied in High-Power Magnetron Tubes (Page 367)
Shikai Qi, Institute of Electronics Engineering, Jiujiang University
Xiaoxia Wang, Chinese Academy of Sciences
Xingqi Wang, Chinese Academy of Sciences
Mingwei Hu, Xidian University
Wei Zhang, Jiujiang University
Li Liu, Jiujiang University

P8-3:

Design of a Planar Sheet-Beam Magnetron Injection Gun (Page 369)
Yidong Xiang, Chinese Academy of Sciences & University of Chinese Academy Sciences
Qianzhong Xue, Chinese Academy of Sciences & University of Chinese Academy Sciences
Ding Zhao, Chinese Academy of Sciences
Xiaofei Li, Chinese Academy of Sciences & University of Chinese Academy Sciences

P8-7:

Inverse Magnetron Injection Gun for 170GHz Gyrotron (Page 371)
Chao Tang, University of Electronic Science and Technology of China
Hui Wang, University of Electronic Science and Technology of China
Zhiyuan Jin, University of Electronic Science and Technology of China
Xinjian Niu, University of Electronic Science and Technology of China
Yinghui Liu, University of Electronic Science and Technology of China
Jianwei Liu, University of Electronic Science and Technology of China

P8-9:

Simulated Comparison of Two Anode Types of Coaxial Electron Gun for 170GHz Gyrotron (Page 373)
Kai Wang, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Qianzhong Xue, Chinese Academy of Sciences & University of Chinese Academy of Sciences

P8-10:

Distribution of Desorption Products on Interior Surfaces of Scandate Cathode Test Vehicle (Page 375)
Mujan N. Seif, University of Kentucky
Sydney Kolnsberg, University of Kentucky
Thomas John Balk, University of Kentucky
Matthew J. Beck, University of Kentucky
Bernard K. Vancil, E Beam, Inc.

P8-11:

Miniaturized Metamaterial-based Sheet Beam Radiation Sources (Page 377)
Xuanming Zhang, University of Electronic Science and Technology of China
Hengyu Luo, University of Electronic Science and Technology of China
Xin Wang, University of Electronic Science and Technology of China
Tao Tang, University of Electronic Science and Technology of China
Zhanliang Wang, University of Electronic Science and Technology of China
Huarong Gong, University of Electronic Science and Technology of China
Yubin Gong, University of Electronic Science and Technology of China
Zhaoyun Duan, University of Electronic Science and Technology of China

P8-13:

Microwave Sintering of W-Ir Matrix for Improved Emission Performance of Cathode (Page 379)
Junyan Gao, Beijing University of Technology
Yunfei Yang, Beijing University of Technology
Shilei Li, Beijing University of Technology
Peng Hu, Beijing University of Technology
Jinshu Wang, Beijing University of Technology

P8-14:

Environments Adaptability and Failure Analysis of Nanoscale Vacuum Channel Transistors (Page 381)
Xinghui Li, Beijing Vacuum Electronics Research Institute
Panyang Han, Beijing Vacuum Electronics Research Institute
Yunzhu Xie, Beijing Vacuum Electronics Research Institute
Ting Du, Beijing Vacuum Electronics Research Institute
Jun Cai, Beijing Vacuum Electronics Research Institute
Jinjun Feng, Beijing Vacuum Electronics Research Institute

P8-15:

A Novel Tunable PCM Focusing System for a 220 GHz Sheet Beam Electron Gun (Page 383)
Shengkun Jiang, University of Electronic Science and Technology of China
Merdan Wulam, University of Electronic Science and Technology of China
Yiliang Xu, University of Electronic Science and Technology of China
Tao Tang, University of Electronic Science and Technology of China
Zhanliang Wang, University of Electronic Science and Technology of China
Huarong Gong, University of Electronic Science and Technology of China
Yubin Gong, University of Electronic Science and Technology of China
Zhaoyun Duan, University of Electronic Science and Technology of China

P8-16:

Digital Light Processing of Alumina Ceramics for Vacuum Electron Devices (Page 385)
Bofeng Wang, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Yongqing Zhang, Chinese Academy of Sciences
Zhaochuan Zhang, Chinese Academy of Sciences
Xuhua Hu, The Aerospace Information Research Institute, Chinese Academy of Sciences
GuanLi Zhou, Chinese Academy of Sciences
Jianyong Zhou, Chinese Academy of Sciences
Xiaoxia Wang, Chinese Academy of Sciences

P8-17:

Effect of Electron Irradiation on Properties of RTV560 Silicon Rubber (Page 387)
Guangjiang Yuan, Chinese Academy of Sciences
Ruiqi Li, Harbin Institute of Technology
Wei Song, Chinese Academy of Sciences
Mingyang Zhu, Chinese Academy of Sciences
Guoxing Miao, Chinese Academy of Sciences
Jiuchun Yan, Harbin Institute of Technology

P8-18:

Deposition of Tungsten Nanoparticles for Potential Use in Dispenser Cathodes (Page 389)
Huanhuan Bai, University of Kentucky
Matthew J. Beck, University of Kentucky
Thomas John Balk, University of Kentucky

P8-20:

Quantifying Work Function Using Kelvin Probe Systems (Page 391)
Antonio M. Mántica, University of Kentucky
T. John Balk, University of Kentucky

P8-21:

Stability Improvement of Electron Gun for Millimeter Wave TWTs by Immersed Flow Focusing System (Page 393)
Ruofan Wang, University of Electronic Science and Technology of China
Jin Xu, University of Electronic Science and Technology of China
Lingna Yue, University of Electronic Science and Technology of China
Hairong Yin, University of Electronic Science and Technology of China
Guoqing Zhao, University of Electronic Science and Technology of China
Wenxiang Wang, University of Electronic Science and Technology of China
Y. B. Gong, University of Electronic Science and Technology of China
J. J. Feng, Beijing Vacuum Electronics Research Institute
Yanyu Wei, University of Electronic Science and Technology of China

P8-22:

Analytical Solution for Space Charge Limited Current Emission from a Sharp Tip Using Variational Methods (Page 395)
N. R. Sree Harsha, Purdue University
Allen L. Garner, Purdue University

P8-24:

3D-Design of Magnetron Injection Gun for 42GHz Second Harmonic Gyrotron (Page 397)
Alok Mishra, CSIR-Central Electronics Engineering Research Institute
Om Ranjan, CSIR-Central Electronics Engineering Research Institute
A. Bera, CSIR-Central Electronics Engineering Research Institute
M. V. Kartikeyan, Indian Institute of Technology, Roorkee

P8-25:

Design and Simulation of Magnetron Injection Guns for a 0.5 THz Frequency-Tunable Gyrotron (Page 401)
Jie Huang, University of Electronic Science and Technology of China
Tao Song, University of Electronic Science and Technology of China
Wei Wang, University of Electronic Science and Technology of China
Diwei Liu, University of Electronic Science and Technology of China

P8-26:

Application of Electrodynamic Admittances in the TWT Theory (Page 403)
Yuriy N. Pchelnikov, Independent Consultant

P8-27:

Novel Sawtooth Structure Loading to Mitigate Mode Competition in a 346 GHz Backward Wave Oscillator (Page 405)
Christián Hurd, University of California Davis
Yuan Zheng, University of California Davis
Neville C. Luhmann, Jr., University of California Davis

P8-28:

Cold Test Design of the Open Resonant Cavity in a High-Order Mode Gyrotron (Page 407)
Menglong Jiao, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Jirun Luo, University of Chinese Academy of Sciences
Wei Guo, University of Chinese Academy of Sciences
Yu Fan, University of Chinese Academy of Sciences
Zheng Wen, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Chen Yang, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Zhixian Li, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Min Zhu, University of Chinese Academy of Sciences

P8-29:

Circuit Design and Simulation of a 0.85 THz Regenerative Feedback Oscillator (Page 409)
Tianyi Li, Beijing Vacuum Electronics Research Institute
Pan Pan, Beijing Vacuum Electronics Research Institute
Dong Li, Beijing Vacuum Electronics Research Institute
Weisi Meng, Beijing Vacuum Electronics Research Institute
Jun Cai, Beijing Vacuum Electronics Research Institute
Jinjun Feng, Beijing Vacuum Electronics Research Institute
Tiechang Yan, Beijing Vacuum Electronics Research Institute

P8-30:

Simulation of Non-Periodic Folded Waveguide Slow-Wave Structure (Page 411)
Duo Xu, University of Electronic Science and Technology of China
Wei Shao, University of Electronic Science and Technology of China
Hexin Wang, University of Electronic Science and Technology of China
Tenglong He, University of Electronic Science and Technology of China
Ningjie Shi, University of Electronic Science and Technology of China
Zhigang Lu, University of Electronic Science and Technology of China
Huarong Gong, University of Electronic Science and Technology of China
Zhanliang Wang, University of Electronic Science and Technology of China
Zhaoyun Duan, University of Electronic Science and Technology of China
Yubin Gong, University of Electronic Science and Technology of China

P8-31:

Simulation and Analysis of the TE_28,8 Mode Excitation in an Open Resonant Cavity of Gyrotron (Page 413)
Zhixian Li, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Zhiqiang Zhang, Chinese Academy of Sciences
Menglong Jiao, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Chen Yang, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Zheng Wen, Chinese Academy of Sciences & University of Chinese Academy of Sciences
Jirun Luo, Chinese Academy of Sciences & University of Chinese Academy of Sciences

P8-32:

Operation Condition of GW Class Magnetron with Diffraction Output in Particle-In-Cell Simulation (Page 415)
Shen Shou Max Chung, National Penghu University of Science and Technology
Shih-Chung Tuan, Oriental Institute of Technology

P8-33:

Design of a G-Band EIK Three-Stage Depressed Collector (Page 417)
Le Li, University of Electronic Science and Technology of China
Qi Wu, University of Electronic Science and Technology of China
Jin Xu, University of Electronic Science and Technology of China
Lingna Yue, University of Electronic Science and Technology of China
Hairong Yin, University of Electronic Science and Technology of China
G. Q. Zhao, University of Electronic Science and Technology of China
H. R. Gong, University of Electronic Science and Technology of China
W. X. Wang, University of Electronic Science and Technology of China
Z. G. Lu, University of Electronic Science and Technology of China
Z. Y. Duan, University of Electronic Science and Technology of China
Y. B. Gong, University of Electronic Science and Technology of China
Yong Zhong, Beijing Vacuum Electronics Research Institute
J. J. Feng, Beijing Vacuum Electronics Research Institute
Dazhi Li, Neubrex.Ltd.
Yanyu Wei, University of Electronic Science and Technology of China

Plenary 

30-1:

Opportunities in Cathode Research Enabled by Advanced Nanoscale Material Control and Understanding (Page 419)
Joan E. Yater, U.S. Naval Research Laboratory