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Fourier limited micro-pulses in the OK-4/Duke storage ring FEL

  • Duke University
  • United States Department of Energy

Research output: Contribution to journalConference articlepeer-review

9 Scopus citations

Abstract

The Super-modes are Fourier limited FEL micro-pulses predicted by Dattoli and Renieri in 1980. The OK-4 FEL at Duke, operating in the wavelength range from 193.7nm to 730nm, was the first to observe the Super-modes in a storage ring FEL in 1996. Since 1996, the up-graded diagnostics and improved control of the RF frequency allowed generation of Super-modes on a regular basis and systematic study of them. The Gaussian FEL micro-pulses with 1.3ps RMS duration and Fourier limited RMS linewidth were generated in 1998-1999. In this paper we present the results of our studies and the comparison with theoretical predictions. We also present practical criteria for operating SR FELs with Super-modes.

Original languageEnglish
Pages (from-to)234-239
Number of pages6
JournalNuclear Inst. and Methods in Physics Research, A
Volume475
Issue number1-3
DOIs
StatePublished - Nov 21 2001
Event22nd International Free Electron Laser Conference (FEL 2000) - Durham, NC, United States
Duration: Aug 13 2000Aug 18 2000

Keywords

  • Fourier limited spectra
  • Free-electron laser
  • Storage ring
  • Ultraviolet

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