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High power microwave pulse compression systembased on cylindrical resonant cavity

Fang Jin-Yong Jiang Wei-Hua Huang Hui-Jun Zang Zhi-Qiang Huang Wen-Hua

High power microwave pulse compression systembased on cylindrical resonant cavity

Fang Jin-Yong, Jiang Wei-Hua, Huang Hui-Jun, Zang Zhi-Qiang, Huang Wen-Hua
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  • Abstract views:  3775
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  • Received Date:  21 October 2009
  • Accepted Date:  29 June 2010
  • Published Online:  15 April 2011

High power microwave pulse compression systembased on cylindrical resonant cavity

  • 1. (1)Department of Electrical Engineering, Tsinghua University, Beijing 100084, China; (2)Northwest Institute of Nuclear Technology, Xian 710024, China

Abstract: High power microwave (HPM) pulse compression is a main method to obtain high power microwave with non-relativistic devices. The mature HPM pulse compression systems are nearly all based on rectangular resonant cavity, and the pulse compression systems based on cylindrical resonant cavity are in progress. A new type pulse compression system based on cylindrical resonant cavity is proposed in this paper, and the structure of the system is different from those of all other HPM pulse compression systems ever reported. The structure and the numerical simulation results of the key parts are presented, and a preliminary analysis of the power capability of the system and the quality factor of the resonant cavity is also given. For a pulse compression system, the power capacity is a key factor for the output microwave pulse power, and the quality factor of the resonant cavity has a close relationship with the system energy efficiency. According to the experimental results, the pulse capacity of the pulse compression system based on cylindrical resonant cavity can be 10 times higher than that of the systems based on the rectangular resonant cavity, and the quality factor of the resonant cavity can be improved by a factor of 5.

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