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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 1 — Jan. 5, 2009
  • pp: 55–61

Measuring temporal speckle correlations at ultrafast x-ray sources

C. Gutt, L.-M. Stadler, A. Duri, T. Autenrieth, O. Leupold, Y. Chushkin, and G. Grübel  »View Author Affiliations


Optics Express, Vol. 17, Issue 1, pp. 55-61 (2009)
http://dx.doi.org/10.1364/OE.17.000055


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Abstract

We present a new method to extract the intermediate scattering function from series of coherent diffraction patterns taken with 2D detectors. Our approach is based on analyzing speckle patterns in terms of photon statistics. We show that the information obtained is equivalent to the conventional technique of calculating the intensity autocorrelation function. Our approach represents a route for correlation spectroscopy on ultrafast timescales at X-ray free-electron laser sources.

© 2009 Optical Society of America

OCIS Codes
(140.2600) Lasers and laser optics : Free-electron lasers (FELs)
(300.6480) Spectroscopy : Spectroscopy, speckle
(320.7100) Ultrafast optics : Ultrafast measurements

ToC Category:
Ultrafast Optics

History
Original Manuscript: September 5, 2008
Revised Manuscript: November 14, 2008
Manuscript Accepted: November 17, 2008
Published: December 22, 2008

Citation
C. Gutt, L.-M. Stadler, A. Duri, T. Autenrieth, O. Leupold, Y. Chushkin, and G. Grübel, "Measuring temporal speckle correlations at ultrafast x-ray sources," Opt. Express 17, 55-61 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-1-55


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References

  1. J. Goodman, Statistical Optics, (John Wiley & Sons, New York, 1985).
  2. G. Grübel and F. Zontone, "Correlation spectroscopy with coherent X-rays," J. Alloys Compd. 362, 3-11 (2004). [CrossRef]
  3. M. Altarelli, Editor, XFEL: Technical Design Report 2006, DESY 2006-097.
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  6. S. Streit-Nierobisch, C. Gutt, M. Paulus, M. Tolan, "Cooling rate dependence of the glass transition at free surfaces," Phys. Rev. B 77, 041410 (R) (2008). [CrossRef]
  7. T. Seydel, A. Madsen, M. Sprung, M. Tolan, G. Gr¨ubel, "Setup for in situ surface investigations of the liquid/glass transition with coherent x rays," Rev. Sci. Instrum. 74, 4033-4040 (2003). [CrossRef]
  8. D. Lumma, L.B. Lurio, S. G. J. Mochrie, and M. Sutton, "Area detector based photon correlation in the regime of short data batches: Data reduction for dynamic x-ray scattering," Rev. Sci. Instrum. 71, 3274-3289 (2000). [CrossRef]

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