Feasibility study explores phase contrast imaging techniques for a new X-ray beamline, suggesting Talbot-Lau interferometry as optimal.
This document is a feasibility study for a x-ray phase contrast imaging beamline using the emission of a DAΦNE wiggler. Taking in consideration source flux, coherence and geometrical parameters we compared the main x-ray phase contrast imaging methods: the Zernike phase contrast with a transmission X-ray microscopy (TXM), a X-ray coherent diffraction imaging (CDI), a diffraction enhanced imaging (DEI) and a X-ray Talbot interferometry (XTI). Considering the DAΦNE parameters, the Talbot-Lau interferometry appears the most suitable layout matching the wiggler source. We present and discuss the optical system of this beamline based on a spherical grating monochromator and two focusing mirrors.
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Q. et al. (2012) studied this question.
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