Multi-resolution gratings for edge illumination x-ray phase contrast imaging: a simulation study

P.-J. Vanthienen; N. Francken; J. Sijbers; J. De Beenhouwer

doi:10.1117/12.3025968

31 October 2024 Multi-resolution gratings for edge illumination x-ray phase contrast imaging: a simulation study

P.-J. Vanthienen, N. Francken, J. Sijbers, J. De Beenhouwer

Author Affiliations +

Proceedings Volume 13152, Developments in X-Ray Tomography XV; 1315208 (2024) https://doi.org/10.1117/12.3025968
Event: Optical Engineering + Applications, 2024, San Diego, California, United States

Abstract

Edge-illumination (EI) is an established x-ray phase-contrast imaging method that relies on gratings to obtain attenuation, differential phase and dark field contrast. Current EI setups, however, have a limited geometric flexibility. That is, the gratings are designed for a fixed magnification and the period and aperture size of the sample grating determine the resolution. To enable multi-resolution EI, we propose an alternative design of the sample grating. Specifically, we introduce a grating with an adaptive period that allows multiresolution EI, and demonstrate this concept with Monte-carlo simulations of a resolution phantom at different magnifications.

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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

P.-J. Vanthienen, N. Francken, J. Sijbers, and J. De Beenhouwer "Multi-resolution gratings for edge illumination x-ray phase contrast imaging: a simulation study", Proc. SPIE 13152, Developments in X-Ray Tomography XV, 1315208 (31 October 2024); https://doi.org/10.1117/12.3025968

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