Journal
OPTICS EXPRESS
Volume 25, Issue 6, Pages 6053-6068Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.25.006053
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Funding
- National Institutes of Health (NIH) [1R01CA193378]
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In order to quantitatively determine the projected electron densities of a sample, one needs to extract the monochromatic fringe phase shifts from the polychromatic fringe phase shifts measured in the grating interferometry with incoherent X-ray sources. In this work the authors propose a novel analytic approach that allows to directly compute the monochromatic fringe shifts from the polychromatic fringe shifts. This approach is validated with numerical simulations of several grating interferometry setups. This work provides a useful tool in quantitative imaging for biomedical and material science applications. (C) 2017 Optical Society of America
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