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A monolithic Fresnel bimirror for hard X-rays and its application for coherence measurements

  • Experiments using a simple X-ray interferometer to measure the degree of spatial coherence of hard X-rays are reported. A monolithic Fresnel bimirror is used at small incidence angles to investigate synchrotron radiation in the energy interval 5-50 keV with monochromatic and white beam. The experimental setup was equivalent to a Young's double-slit experiment for hard X-rays with slit dimensions in the micrometre range. From the high-contrast interference pattern the degree of coherence was determined.

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Author:Wolfram Leitenberger, Ullrich Pietsch
Document Type:Article
Year of first Publication:2007
Year of Completion:2007
Release Date:2017/03/24
Source:Journal of synchrotron radiation. - ISSN 0909-0495. - 14 (2007), S. 196 - 203
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Peer Review:Referiert
Institution name at the time of publication:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik