Abstract

We performed x-ray phase contrast imaging (XPCI) by Talbot–Lau interferometer using only a single transmission grating. Multiline metal targets embedded in a diamond substrate were irradiated with electrons to generate an array of x-ray lines of 1 μm width, which allowed XPCI within a 1 m source–detector distance in a configuration without a source or absorption grating. We directly resolved the self-image of the phase grating of 3 μm pitch using an x-ray image detector of 24 μm pixel size and successfully obtained absorption, differential phase, and dark-field images for 8 keV x rays.

© 2014 Optical Society of America

Hard x-ray phase contrast imaging using a tabletop Talbot–Lau interferometer with multiline embedded x-ray targets

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Design and demonstration of phase gratings for 2D single grating interferometer

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