JETP Letters

, Volume 87, Issue 11, pp 618–622

Generation of spatially coherent radiation in free-electron masers with two-dimensional distributed feedback

  • A. V. Arzhannikov
  • N. S. Ginzburg
  • V. Yu. Zaslavskii
  • V. G. Ivanenko
  • I. A. Ivanov
  • P. V. Kalinin
  • A. S. Kuznetsov
  • S. A. Kuznetsov
  • N. Yu. Peskov
  • A. S. Sergeev
  • S. L. Sinitskii
  • V. D. Stepanov
Atoms, Spectra, Radiations

Abstract

The results of theoretical and experimental studies on the generation of spatially coherent electromagnetic radiation in a planar free-electron maser with two-dimensional distributed feedback are reported. A two-dimensional Bragg structure is used at the initial part of the interaction space to ensure the transverse synchronization of the radiation. The possibility of the narrowband generation in the 75-GHz frequency band is demonstrated experimentally for a sheet kiloampere electron beam whose width is 20 times larger than the wavelength.

PACS numbers

41.60.Cr 42.55.Tv 52.59.Rz 84.40.Ik 

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Copyright information

© Pleiades Publishing, Ltd. 2008

Authors and Affiliations

  • A. V. Arzhannikov
    • 1
    • 3
  • N. S. Ginzburg
    • 2
  • V. Yu. Zaslavskii
    • 2
  • V. G. Ivanenko
    • 1
  • I. A. Ivanov
    • 1
  • P. V. Kalinin
    • 1
  • A. S. Kuznetsov
    • 1
  • S. A. Kuznetsov
    • 1
    • 3
  • N. Yu. Peskov
    • 2
  • A. S. Sergeev
    • 2
  • S. L. Sinitskii
    • 1
    • 3
  • V. D. Stepanov
    • 1
    • 3
  1. 1.Budker Institute of Nuclear Physics, Siberian BranchRussian Academy of SciencesNovosibirskRussia
  2. 2.Institute of Applied PhysicsRussian Academy of SciencesNizhni NovgorodRussia
  3. 3.Novosibirsk State UniversityNovosibirskRussia

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