Experimental studies of two-dimensional coaxial Bragg structures for a high-power free-electron maser

A.W. Cross, I.V. Konoplev, K. Ronald, A.D.R. Phelps, W. He, C.G. Whyte, N.S. Ginzburg, N. Yu Peskov, A.S. Sergeev

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

The experimental studies of two-dimensional (2D) coaxial Bragg structures are presented. These structures, which realize 2D distributed feedback, have been recently proposed as a method of producing gigawatt power level spatially coherent radiation from a free-electron maser driven by a large-size relativistic electron beam of annular geometry. The experimentally obtained frequency dependence of transmission coefficients for the 2D Bragg structures are in good agreement with theoretical predictions that demonstrates the operation of the two-dimensional Bragg scattering mechanism.
Original languageEnglish
Pages (from-to)1517-1519
Number of pages3
JournalApplied Physics Letters
Volume80
Issue number9
DOIs
Publication statusPublished - 4 Mar 2002

Keywords

  • two-dimensional coaxial Bragg structures
  • gigawatt power
  • applied physics
  • free electron lasers
  • masers

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