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Transient nonlinear theory and model of beam-wave interaction for gyroklystron

Guo Jian-Hua Yu Sheng Li Hong-Fu Zhang Tian-Zhong Lei Chao-Jun Li Xiang Zhang Yan-Yan

Transient nonlinear theory and model of beam-wave interaction for gyroklystron

Guo Jian-Hua, Yu Sheng, Li Hong-Fu, Zhang Tian-Zhong, Lei Chao-Jun, Li Xiang, Zhang Yan-Yan
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  • Received Date:  25 August 2010
  • Accepted Date:  16 November 2010
  • Published Online:  15 September 2011

Transient nonlinear theory and model of beam-wave interaction for gyroklystron

  • 1. Vacuum Electronics National Key Laboratory,Research Institute of High Energy Electronics University of Electronic Science and Technology of China, Chengdu 610054,China

Abstract: A transient analysis in time domain of beam-wave interaction for gyroklystron is made with self-consistent field theory in this paper. A nonlinear theory for gyroklystron with multiple cavities is established, but also electron motion equations and transient electromagnetic field equations in the complex form are given. Research methods of beam-wave interaction in input cavity, idler cavity and output cavity are investigated. The infuence of speedspread is taken into account. For a Kα-band gyroklystron with four cavities, some numerical results of beam-wave interaction are given, and analyzed in Fortran Language finally. The numerical results are compared with the experimental data and the PIC results, showing that they are in good agreement.

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