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Radiophysics and Quantum Electronics

, Volume 59, Issue 6, pp 461–470 | Cite as

Mechanisms of Čerenkov Superradiance of Extended Electron Bunches in Oversized Corrugated Waveguides

  • N. S. Ginzburg
  • V. Yu. Zaslavsky
  • I. V. Zheleznov
  • I. V. Zotova
  • A. M. Malkin
  • A. S. Sergeev
  • E. R. Kocharovskaya
  • M. I. Yalandin
Article
  • 34 Downloads

We propose to use the effect of Čerenkov superradiance of the electromagnetic field by extended electron bunches, which move linearly in oversized corrugated waveguides, for generation of multimegawatt subnanosecond pulses in the short-wave part of the millimeter-wavelength band. Various mechanisms of generation of superradiance pulses are considered, including excitation of volume waves in the case of electron synchronism with a decelerated spatial harmonic, as well as excitation of copropagating and counterpropagating surface waves. The analysis was performed both within the framework of the quasioptical approximation and on the basis of direct modeling by the particle-in-cell method.

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • N. S. Ginzburg
    • 1
    • 2
  • V. Yu. Zaslavsky
    • 1
    • 2
  • I. V. Zheleznov
    • 1
  • I. V. Zotova
    • 1
  • A. M. Malkin
    • 1
  • A. S. Sergeev
    • 1
  • E. R. Kocharovskaya
    • 1
  • M. I. Yalandin
    • 3
  1. 1.Institute of Applied Physics of the Russian Academy of SciencesNizhny NovgorodRussia
  2. 2.N. I. Lobachevsky State University of Nizhny NovgorodNizhny NovgorodRussia
  3. 3.Institute of ElectrophysicsUrals Branch of the Russian Academy of SciencesEkaterinburgRussia

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