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Publication Detail
Laboratory-based edge-illumination phase-contrast imaging: Dark-field retrieval and high-resolution implementations
Abstract
Edge illumination is an X-ray phase-contrast imaging technique capable of quantitative retrieval of phase and amplitude images. The retrieval of the ultra-small-angle X-ray scattering was recently developed and implemented with the area-imaging counterpart of an edge-illumination system, sometimes referred to as coded-aperture setup. This is an incoherent and achromatic technique, well suited for translation of the potential of X-ray phase contrast imaging into efficient laboratory-scale setups. We report on recent advances of these developments along two main directions. One relates to the expansion of the technique with respect to the data analysis and corrections that are required when non-ideal optical elements are used and optimized sampling strategies. The second is directed towards high-resolution and high-energy implementations. A laboratory-based prototype for high-energy X-ray phase-contrast microscopy was built and its performance was modelled and experimentally characterized.
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Dept of Med Phys & Biomedical Eng
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Dept of Med Phys & Biomedical Eng
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Dept of Med Phys & Biomedical Eng
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London Centre for Nanotechnology
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