Detector arrangement for an X-ray phase contrast system and method for X-ray contrast imaging
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United States of America Patent
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Oct 26, 2021
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Mar 27, 2018
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Mar 27, 2017
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Abstract
The present invention relates to a detector arrangement for an X-ray phase contrast system (5), the detector arrangement (1) comprising: a scintillator (11); an optical grating (12); and a detector (13); wherein the optical grating (12) is arranged between the scintillator (11) and the detector (13); wherein the scintillator (11) converts X-ray radiation (2) into optical radiation (3); wherein the optical grating (12) is configured to be an analyzer grating being adapted to a phase-grating (21) of an X-ray phase contrast system (5); wherein the optical path between the optical grating (12) and the scintillator (11) is free of focusing elements for optical radiation. The present invention further relates to a method (100) for performing X-ray phase contrast imaging with a detector arrangement (1) mentioned above. The invention avoids the use of an X-ray absorption grating as G2 grating in an X-ray phase contrast interferometer system.
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