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Phys. Rev. Lett. 100, 244802 (2008) [4 pages]

A Proposal for an X-Ray Free-Electron Laser Oscillator with an Energy-Recovery Linac

Kwang-Je Kim,1 Yuri Shvyd'ko,1 and Sven Reiche2
1Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA
2UCLA, Physics and Astronomy Department, Los Angeles, California 90095, USA
Received 14 March 2008; published 17 June 2008

We show that a free-electron laser oscillator generating x rays with wavelengths of about 1 Å is feasible using ultralow emittance electron beams of a multi-GeV energy-recovery linac, combined with a low-loss crystal cavity. The device will produce x-ray pulses with 109 photons at a repetition rate of 1–100 MHz. The pulses are temporarily and transversely coherent, with a rms bandwidth of about 2 meV, and rms pulse length of about 1 ps.

©2008 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevLett.100.244802
DOI: 10.1103/PhysRevLett.100.244802
PACS: 41.60.Cr; 41.50.+h; 42.55.Vc
  • 41.60.Cr
    Free-electron lasers
  • 41.50.+h
    X-ray beam source magnets and X-ray optics for control of particle beams
  • 42.55.Vc
    X- and γ-ray lasers
  • YEAR: 2008

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