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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 20 — Oct. 15, 2010
  • pp: 3441–3443

Partial-coherence method to model experimental free-electron laser pulse statistics

Thomas Pfeifer, Yuhai Jiang, Stefan Düsterer, Robert Moshammer, and Joachim Ullrich  »View Author Affiliations

Optics Letters, Vol. 35, Issue 20, pp. 3441-3443 (2010)

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A general numerical approach is described that allows obtaining model sets of temporal pulse shapes of free- electron lasers (FELs) operating in the self-amplified spontaneous emission mode. Based on a random partial- coherence approach, sets of pulse shapes can be calculated that satisfy statistical criteria of FEL light predicted by established FEL theory. Importantly, the numerically retrieved sets of pulses reproduce the experimentally accessible FEL light characteristics as measured at the Free-electron LASer at Hamburg (FLASH), such as the average spectrum, single-shot spectral shape, and pulse duration. The high-precision agreement with the experimental average spectral shape, without further knowledge of FEL machine parameters, makes this approach a convenient tool for the analysis and theoretical modeling of nonlinear optical or pump–probe experiments with FEL light.

© 2010 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(140.2600) Lasers and laser optics : Free-electron lasers (FELs)

ToC Category:
Lasers and Laser Optics

Original Manuscript: August 9, 2010
Manuscript Accepted: September 9, 2010
Published: October 12, 2010

Thomas Pfeifer, Yuhai Jiang, Stefan Düsterer, Robert Moshammer, and Joachim Ullrich, "Partial-coherence method to model experimental free-electron laser pulse statistics," Opt. Lett. 35, 3441-3443 (2010)

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