Characterization of spatial coherence of synchrotron radiation with non‐redundant arrays of apertures. (12th May 2014)

• Record Type: Journal Article
• Authors: Skopintsev, P.; Singer, A.; Bach, J.; Müller, L.; Beyersdorff, B.; Schleitzer, S.; Gorobtsov, O.; Shabalin, A.; Kurta, R. P.; Dzhigaev, D.; Yefanov, O. M.; Glaser, L.; Sakdinawat, A.; Grübel, G.; Frömter, R.; Oepen, H. P.; Viefhaus, J.; Vartanyants, I. A.
• Is Part Of: Journal of synchrotron radiation. Volume 21:Part 4(2014)
• Page Start: 722
• Page End: 728
• Publication Date: 2014-05-12
• Subjects: Synchrotron radiation -- Periodicals; Free electron lasers -- Periodicals; 539.73505
• DOI: 10.1107/S1600577514006857
• Languages: English
• ISSNs: 0909-0495

Abstract

<abstract abstract-type="main" xml:lang="en"> <title> <x xml:space="preserve">Abstract</x> </title> <p>A method to characterize the spatial coherence of soft X‐ray radiation from a single diffraction pattern is presented. The technique is based on scattering from non‐redundant arrays (NRAs) of slits and records the degree of spatial coherence at several relative separations from 1 to 15 µm, simultaneously. Using NRAs the spatial coherence of the X‐ray beam at the XUV X‐ray beamline P04 of the PETRA III synchrotron storage ring was measured as a function of different beam parameters. To verify the results obtained with the NRAs, additional Young's double‐pinhole experiments were conducted and showed good agreement.</p> </abstract>