Beam-shaping elements based on x-ray refractive optics: theory, modeling, and experiment

D. Zverev; I. Snigireva; A. Snigirev

doi:10.1117/12.2568395

21 August 2020 Beam-shaping elements based on x-ray refractive optics: theory, modeling, and experiment

D. Zverev, I. Snigireva, A. Snigirev

Proceedings Volume 11493, Advances in Computational Methods for X-Ray Optics V; 114930K (2020) https://doi.org/10.1117/12.2568395
Event: SPIE Optical Engineering + Applications, 2020, Online Only

Abstract

The optical system consisting of an X-ray parabolic axicon and traditional parabolic refractive lenses is considered. Such lenses combination makes it possible to flexibly adjust the size of the focused ring-shaped beam produced by axicon changing the number of the parabolic lenses in the optical system. The optical properties of the presented beam-shaping lens have been studied theoretically and experimentally tested. Based on the complex optical function of the lens a new approach to the phase-contrast imaging which takes advantage of the traditional X-ray microscopy and the unique optical properties of the parabolic refractive axicon was presented. Additionally, the computer simulation approach based on a Fast Fourier Transform wave optics computation was described as well as the corresponded numerical calculations of the considered optical transformations were performed. The simulation results are in good agreement with experimental ones.

Citation Download Citation

D. Zverev, I. Snigireva, and A. Snigirev "Beam-shaping elements based on x-ray refractive optics: theory, modeling, and experiment", Proc. SPIE 11493, Advances in Computational Methods for X-Ray Optics V, 114930K (21 August 2020); https://doi.org/10.1117/12.2568395

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