Design and experimental study of S-band permanent magnet relativistic magnetron

Zhang Yanyan; Chen Hong; Xu Jianjun; Deng Kun; Liu Dongsheng; Liu Qiao

doi:10.11884/HPLPB202436.230250

Volume 36 Issue 3

Feb. 2024

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Zhang Yanyan, Chen Hong, Xu Jianjun, et al. Design and experimental study of S-band permanent magnet relativistic magnetron[J]. High Power Laser and Particle Beams, 2024, 36: 033007. doi: 10.11884/HPLPB202436.230250

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Zhang Yanyan, Chen Hong, Xu Jianjun, et al. Design and experimental study of S-band permanent magnet relativistic magnetron[J]. High Power Laser and Particle Beams, 2024, 36: 033007. doi: 10.11884/HPLPB202436.230250

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Design and experimental study of S-band permanent magnet relativistic magnetron

doi: 10.11884/HPLPB202436.230250

1.
National Key Laboratory of Electromagnetic Space Security, Southwest China Research Institute of Electronic Equipment, Chengdu 610036, China
2.
National Laboratory on High Power Vacuum Electronics, Beijing Vacuum Electronics Research Institute, Beijing 100016, China

Received Date: 2023-08-03
Accepted Date: 2023-01-23
Rev Recd Date: 2024-01-22

Available Online: 2024-02-05

Publish Date: 2024-02-29

Abstract

Abstract

In this paper, an S band all cavity extraction relativistic magnetron with permanent magnet is theoretically designed and numerically simulated, and an experimental investigation is also carried out. The initial structural parameters of the relativistic magnetron are obtained through theoretical analysis, and the model is optimized by particle simulation. The permanent magnetic field generation structure is designed according to the needs of the guiding magnetic field. Simulation results reveal that this permanent magnet relativistic magnetron could generate a microwave power of 1.978 GW corresponding to a power conversion efficiency of 49.2% when the driver voltage is 500 kV. This permanent magnet tube is tested on the high-voltage pulse drive platform. In the experiment, gigawatt class output microwave power was obtained, corresponding to a power conversion efficiency of about 40%. The experimental results are in good agreement with the simulation results.
- permanent magnet,
- relativistic magnetron,
- high power microwave,
- rectangular waveguide,
- pulse generator

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References(15)

References

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