Measurements of High Gain and Intensity Fluctuations in a Self-Amplified, Spontaneous-Emission Free-Electron Laser

M. Hogan, C. Pellegrini, J. Rosenzweig, G. Travish, A. Varfolomeev, S. Anderson, K. Bishofberger, P. Frigola, A. Murokh, N. Osmanov, S. Reiche, and A. Tremaine
Phys. Rev. Lett. 80, 289 – Published 12 January 1998
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Abstract

We report measurements of large gain for a single pass free-electron laser operating in self-amplified spontaneous emission (SASE) at 16 μm starting from noise. We also report the first observation and analysis of intensity fluctuations of the SASE radiation intensity in the high gain regime. The results are compared with theoretical predictions and simulations.

  • Received 1 July 1997

DOI:https://doi.org/10.1103/PhysRevLett.80.289

©1998 American Physical Society

Authors & Affiliations

M. Hogan, C. Pellegrini, J. Rosenzweig, G. Travish, A. Varfolomeev*, S. Anderson, K. Bishofberger, P. Frigola, A. Murokh, N. Osmanov†, S. Reiche‡, and A. Tremaine

  • Department of Physics and Astronomy, University of California, Los Angeles, California 90024

  • *Permanent address: RRC Kurchatov Institute, Moscow, Russia.
  • †
  • ‡Permanent address: DESY, Hamburg, Germany.

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Vol. 80, Iss. 2 — 12 January 1998

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