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(Color online) Schematic of a DPC imaging setup using a grating interferometer. The interference pattern is generated by the phase grating. The absorption grating is used to analyze the interference fringes.
(Color online) X-rays with an incident angle, α, close to 2/AR = p/h encounter an altered transmission function Tα (x) of the grating.
(Color online) Differential phase contrast images obtained from a scan with (a) planar gratings and (b) curved gratings. (c) shows the visibility profile for both cases.
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