Sideband instabilities and optical guiding in a free electron laser: Experiment and theory

A. Bhattacharjee, S. Y. Cai, S. P. Chang, J. W. Dodd, T. C. Marshall

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Experimental and theoretical studies of the effects of tapering and optical guiding on sideband instabilities are reported. The experiments are performed in the Columbia Raman FEL ({reversed tilde equals} 2 mm). Experiment shows sizeable reductions in sideband amplitudes in an efficiency-enhanced undulator. In the presence of optical guiding in a constant-period undulator, the sideband shift is larger compared with the case when optical guiding does not occur.

Original languageEnglish (US)
Pages (from-to)158-162
Number of pages5
JournalNuclear Inst. and Methods in Physics Research, A
Volume285
Issue number1-2
DOIs
StatePublished - Dec 10 1989
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

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