Journal
JOURNAL OF SYNCHROTRON RADIATION
Volume 21, Issue -, Pages 722-728Publisher
WILEY-BLACKWELL
DOI: 10.1107/S1600577514006857
Keywords
coherence; interference; synchrotron X-ray sources
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Funding
- BMBF [05K10CHG, 05K10GU4]
- Virtual Institute of the Helmholtz Association [VH-VI-403]
- DFG [SFB925]
- Hamburg Centre for Ultrafast Imaging
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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 mu m, 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.
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