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Initial gain measurements of an 800 nm SASE FEL, VISA

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

Research output: Contribution to journalConference articlepeer-review

5 Scopus citations

Abstract

The Visible to Infrared SASE Amplifier (VISA) FEL is designed to obtain high gain at a radiation wavelength of 800nm. The FEL uses the high brightness electron beam of the Accelerator Test Facility (ATF), with energy of 72 MeV. VISA uses a novel, 4m long, strong focusing undulator with a gap of 6mm and a period of 1.8cm. To obtain large gain the beam and undulator axis have to be aligned to better than 5 μm. Results from initial measurements on the alignment, gain, and spectrum will be presented and compared to theoretical calculations and simulations.

Original languageEnglish
Pages (from-to)339-342
Number of pages4
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

  • FEL
  • High gain
  • SASE
  • Undulator

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