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Research on 2.5-dimensional nonlinear beam-wave interaction program of klystrons

Ding Yao-Gen Wang Yong Zhao Ding

Research on 2.5-dimensional nonlinear beam-wave interaction program of klystrons

Ding Yao-Gen, Wang Yong, Zhao Ding
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  • Abstract views:  3279
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  • Received Date:  12 September 2006
  • Accepted Date:  16 November 2006
  • Published Online:  20 June 2007

Research on 2.5-dimensional nonlinear beam-wave interaction program of klystrons

  • 1. (1)中国科学院电子学研究所,北京 100080; (2)中国科学院电子学研究所,北京 100080;中国科学院研究生院,北京 100039

Abstract: In high perveance klystrons, violent variation of electron beam radius and electron transverse velocity is met with, and the energy exchange between kinetic electrons and gap field is a nonlinear process. For accurately describing these physical phenomena, we have put forward the corresponding physical model and further developed the 2.5-dimensional computation program LSP. Moreover, by use of this tool, we analyzed a practical S-band high peak-power klystron in detail. By comparing with the calculation results using 1-dimensional program and experimental data, we noticed that this poly-dimensional program can approach the real situation with higher precision.

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