Smith-Purcell radiation in a grating-resonator composite structure
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School of Physics Science and Information Engineering, Liaocheng University,School of Physics Science and Information Engineering, Liaocheng University,School of Physics Science and Information Engineering, Liaocheng University

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    Abstract:

    A grating-resonator composite structure was investigated. The output characteristics of Smith-Purcell radiation in this grating-resonator composite structure were studied by optical theoretic analysis and particle-in-cell simulation method. The results show that tunable coherent Smith-Purcell radiation at Terahertz wavelengths can be generated by this novel structure. This novel grating-resonator composite structure has the following advantages: it can reflect all radiation with an emission angle and random azimuthal angles which backs onto the electron beam with same phase and cause the electrons to be modulated.

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MENG Xian-Zhu, WANG Ming-Hong, REN Zhong-Min. Smith-Purcell radiation in a grating-resonator composite structure[J]. Journal of Infrared and Millimeter Waves,2016,35(1):21~24

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History
  • Received:January 12,2015
  • Revised:June 23,2015
  • Adopted:June 25,2015
  • Online: March 25,2016
  • Published: