Analysis of an FEL oscillator at zero detuning length of an optical cavity

Nobuyuki Nishimori

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

Abstract

The field of an FEL oscillator at zero detuning length of an optical cavity (δL=0) is characteristic of self-amplified spontaneous emission (SASE) FEL. For both cases, the field is composed of the precedent incoherent and subsequent coherent states. The evolution and saturation of the coherent field are studied analytically. The field during evolution is found to scale with FEL parameter ρ and the round-trip number, and that at saturation with ρ and an optical cavity loss. The field at δL=0 is similar to that of the leading edge of SASE FEL with high electron beam density.

Original languageEnglish
Pages (from-to)34-38
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume528
Issue number1-2
DOIs
Publication statusPublished - 2004 Aug 1
EventProceedings of the 25th International Free Electron Laser - Tsukuba,Ibaraki, Japan
Duration: 2003 Sep 82003 Sep 12

Keywords

  • FEL oscillator
  • FEL parameter
  • Optical cavity loss
  • Round-trip number
  • SASE
  • Zero detuning length

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics

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