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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 18 — Aug. 31, 2009
  • pp: 15508–15519

Predicting the coherent X-ray wavefront focal properties at the Linac Coherent Light Source (LCLS) X-ray free electron laser

Anton Barty, Regina Soufli, Tom McCarville, Sherry L. Baker, Michael J. Pivovaroff, Peter Stefan, and Richard Bionta  »View Author Affiliations

Optics Express, Vol. 17, Issue 18, pp. 15508-15519 (2009)

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The first X-ray free electron laser (XFEL) at keV energies will be the Linac Coherent Light Source (LCLS), located at the SLAC National Accelerator Laboratory. Scheduled to begin operation in 2009, this first-of-a-kind X-ray source will produce ultra-short X-ray pulses of unprecedented brightness in the 0.8 to 8 keV first harmonic photon energy regime. Much effort has been invested in predicting and modeling the XFEL photon source properties at the undulator exit; however, as most LCLS experiments are ultimately dependent on the beam focal spot properties it is equally as important to understand the XFEL beam at the endstations where the experiments are performed. Here, we use newly available precision surface metrology data from actual LCLS mirrors combined with a scalar diffraction model to predict the LCLS beam properties in the experiment chambers.

© 2009 Optical Society of America

OCIS Codes
(140.2600) Lasers and laser optics : Free-electron lasers (FELs)
(340.0340) X-ray optics : X-ray optics
(340.7470) X-ray optics : X-ray mirrors

ToC Category:
X-ray Optics

Original Manuscript: May 1, 2009
Revised Manuscript: July 17, 2009
Manuscript Accepted: July 19, 2009
Published: August 18, 2009

Anton Barty, Regina Soufli, Tom McCarville, Sherry L. Baker, Michael J. Pivovaroff, Peter Stefan, and Richard Bionta, "Predicting the coherent X-ray wavefront focal properties at the Linac Coherent Light Source (LCLS) X-ray free electron laser," Opt. Express 17, 15508-15519 (2009)

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