Self-amplified coherent spontaneous emission in the planar wiggler free-electron laser

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Abstract

Coherent spontaneous emission (CSE) is a potentially important self-generated source of seed radiation in a free-electron laser (FEL) amplifier. A model is derived that describes CSE at the fundamental resonant frequency and its harmonics in a planar wiggler FEL. The subsequent self-amplification of the CSE is investigated in the nonlinear regime for a FEL amplifier configuration.
Original languageEnglish
Pages (from-to)046503-1
Number of pages46502
JournalPhysical Review E: Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume65
Issue number4
DOIs
Publication statusPublished - Apr 2002

Keywords

  • coherent spontaneous emission
  • seed radiation
  • free-electron laser
  • harmonics
  • nonlinear physics
  • optics

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