TY - GEN
T1 - Improvement of Output Power and Bandwidth for Extended Interaction Klystron in G-band
AU - Zhang, Feng
AU - Wang, Wenbo
AU - Ruan, Cunjun
N1 - Publisher Copyright:
© 2021 Institute of Electrical and Electronics Engineers Inc.. All rights reserved.
PY - 2021
Y1 - 2021
N2 - In this paper, we conducted the continuous research works on improvement of high power and wide bandwidth Extended Interaction Klystron (EIK) in G band. The mode distribution of the 15 and 13 multi-gap resonators are studied in detail, and the idea of EIK with overlapping adjacent two modes is proposed. Based on the theoretical analysis and optimization design, a circular electron beam EIK operating in TE10-π mode and TE10-13/14π mode is designed. We optimized the multiple-gap cavity structure with long and short slots, and the high-frequency characteristics of the input/output cavity and the intermediate cavity are studied. Besides, the voltage, current, input power and focused magnetic field are optimized in detail with stability. By using three-dimensional particle simulation software, the circular electron beam EIK beam wave interaction system with four multiple-gap resonators is conducted. Under the conditions of voltage 15.8 kV, current 0.3 A, magnetic field 0.75 T and input power 0.02 W, the peak output of 789.6 W, the gain of 45.9 dB and 3 dB bandwidth of 1.2 GHz can be obtained with good stability and without any self-oscillation.
AB - In this paper, we conducted the continuous research works on improvement of high power and wide bandwidth Extended Interaction Klystron (EIK) in G band. The mode distribution of the 15 and 13 multi-gap resonators are studied in detail, and the idea of EIK with overlapping adjacent two modes is proposed. Based on the theoretical analysis and optimization design, a circular electron beam EIK operating in TE10-π mode and TE10-13/14π mode is designed. We optimized the multiple-gap cavity structure with long and short slots, and the high-frequency characteristics of the input/output cavity and the intermediate cavity are studied. Besides, the voltage, current, input power and focused magnetic field are optimized in detail with stability. By using three-dimensional particle simulation software, the circular electron beam EIK beam wave interaction system with four multiple-gap resonators is conducted. Under the conditions of voltage 15.8 kV, current 0.3 A, magnetic field 0.75 T and input power 0.02 W, the peak output of 789.6 W, the gain of 45.9 dB and 3 dB bandwidth of 1.2 GHz can be obtained with good stability and without any self-oscillation.
UR - https://www.scopus.com/pages/publications/85128367764
U2 - 10.1109/PIERS53385.2021.9694740
DO - 10.1109/PIERS53385.2021.9694740
M3 - 会议稿件
AN - SCOPUS:85128367764
T3 - Progress in Electromagnetics Research Symposium
SP - 1865
EP - 1870
BT - 2021 Photonics and Electromagnetics Research Symposium, PIERS 2021 - Proceedings
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2021 Photonics and Electromagnetics Research Symposium, PIERS 2021
Y2 - 21 November 2021 through 25 November 2021
ER -