Design and simulation of an S-band compact multi-beam klystron

The miniaturization and high power of klystron are the main concerns of accelerators. Multi-beam klystron (MBK) can accommodate higher power and a lower operating voltage than single-beam klystrons, significantly reducing volume and weight. This paper introduces the design and simulation of the beam...

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Bibliographic Details
Published in:AIP advances 2023-11, Vol.13 (11), p.115023-115023-11
Main Authors: Lin, Xiaobo, Zhang, Rui, Zuo, Li, Chao, Quangui, Xie, Bingchuan, Wang, Zhicheng, Geng, Zhihui, Liao, Yunfeng, Yang, Xiudong
Format: Article
Language:English
Subjects:
Electron guns
Klystrons
Particle accelerators
Simulation
Wave interaction
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Summary:The miniaturization and high power of klystron are the main concerns of accelerators. Multi-beam klystron (MBK) can accommodate higher power and a lower operating voltage than single-beam klystrons, significantly reducing volume and weight. This paper introduces the design and simulation of the beam-wave interaction system and multi-beam electron gun for S-band compact MBK. The 3-D particle simulation results show that the output power of the MBK is 12.6 MW, driven by an input signal with a frequency of 2856 MHz and a power of 13 W. The corresponding efficiency is 70%. In addition, the gain of the MBK is 59.9 dB. The design goal of S-band miniaturized high-power MBK is realized.
ISSN:2158-3226
2158-3226
DOI:10.1063/5.0157492