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Figure 1
Principle of DPC imaging using a grating interferometer. Through the Talbot effect a periodic interference pattern is formed behind the phase grating (G1) and in the plane of the analyser grating (G2) (Weitkamp et al., 2005BB34).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 16| Part 4| June 2009| Pages 562-572
doi:10.1107/S0909049509017920
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