Switching speed effect of phase shift keying in SLED for generating high power microwaves

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Zheng-Feng Xiong, Cheng Cheng, Jian Yu, Huai-Bi Chen and Hui Ning. Switching speed effect of phase shift keying in SLED for generating high power microwaves[J]. Chinese Physics C, 2016, 40(1): 017006. doi: 10.1088/1674-1137/40/1/017006
Zheng-Feng Xiong, Cheng Cheng, Jian Yu, Huai-Bi Chen and Hui Ning. Switching speed effect of phase shift keying in SLED for generating high power microwaves[J]. Chinese Physics C, 2016, 40(1): 017006.  doi: 10.1088/1674-1137/40/1/017006 shu
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Received: 2015-04-09
Revised: 2015-06-19
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Switching speed effect of phase shift keying in SLED for generating high power microwaves

  • 1. Department of Engineering Physics, Tsinghua University, Beijing 100084, China
  • 2. Laboratory on Science and Technology of High Power Microwave, Northwest Institute of Nuclear Technology, Xi'an 710024, China
  • 3.  Department of Engineering Physics, Tsinghua University, Beijing 100084, China
  • 4.  Laboratory on Science and Technology of High Power Microwave, Northwest Institute of Nuclear Technology, Xi'an 710024, China

Abstract: SLAC energy doubler (SLED) type radio-frequency pulse compressors are widely used in large-scale particle accelerators for converting long-duration moderate-power input pulses into short-duration high-power output pulses. Phase shift keying (PSK) is one of the key components in SLED pulse compression systems. Performance of the PSK will influence the output characteristics of the SLED, such as the rise-time of the output pulse, maximal peak power gain, and energy efficiency. In this paper, a high power microwave source based on power combining and pulse compression of conventional klystrons is introduced. The effects of nonideal PSK with slow switching speed and PSK without power output during the switching process are investigated, and the experimental results with nonideal PSK agree well with the analytical results.

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