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Results of the VISA SASE FEL experiment at 840 nm

  • A. Murokh
  • , R. Agustsson
  • , M. Babzien
  • , I. Ben-Zvi
  • , L. Bertolini
  • , K. Van Bibber
  • , R. Carr
  • , M. Cornacchia
  • , P. Frigola
  • , J. Hill
  • , E. Johnson
  • , L. Klaisner
  • , G. Le Sage
  • , M. Libkind
  • , R. Malone
  • , H. D. Nuhn
  • , C. Pellegrini
  • , S. Reiche
  • , G. Rakowsky
  • , J. Rosenzweig
  • R. Ruland, J. Skaritka, A. Toor, A. Tremaine, X. Wang, V. Yakimenko
  • University of California at Los Angeles
  • Brookhaven National Laboratory
  • Lawrence Livermore National Laboratory
  • SLAC National Accelerator Laboratory

Research output: Contribution to journalConference articlepeer-review

7 Scopus citations

Abstract

VISA (Visible to Infrared SASE Amplifier) is a high-gain self-amplified spontaneous emission FEL, which achieved saturation at 840 nm within a single-pass 4-m undulator. A gain length shorter than 18 cm has been obtained, yielding the gain of 2 × 108 at saturation. The FEL performance, including spectral, angular, and statistical properties of SASE radiation, has been characterized for different electron beam conditions. The results are compared to 3-D SASE FEL theory and start-to-end numerical simulations of the entire injector, transport, and FEL system. Detailed agreement between simulations and experimental results is obtained over the wide range of the electron beam parameters.

Original languageEnglish
Pages (from-to)417-421
Number of pages5
JournalNuclear Inst. and Methods in Physics Research, A
Volume507
Issue number1-2
DOIs
StatePublished - Jul 11 2003
EventProceedings of the 24th International Free Electron Laser Conference - Argonne, IL, United States
Duration: Sep 9 2002Sep 13 2002

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