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Refraction and ultra-small-angle scattering of X-rays in a single-crystal diamond compound refractive lens.

作者信息

Gasilov S, Mittone A, Dos Santos Rolo T, Polyakov S, Zholudev S, Terentyev S, Blank V, Bravin A, Baumbach T

机构信息

Institute for Photon Science and Synchrotron Radiation, Karlsruhe Institute of Technology (KIT), Eggenstein, Germany.

European Synchrotron Radiation Facility, Grenoble, France.

出版信息

J Synchrotron Radiat. 2017 Nov 1;24(Pt 6):1137-1145. doi: 10.1107/S1600577517012772. Epub 2017 Oct 13.

DOI:10.1107/S1600577517012772
PMID:29091056
Abstract

In this work a double-crystal setup is employed to study compound refractive lenses made of single-crystal diamond. The point spread function of the lens is calculated taking into account the lens transmission, the wavefront aberrations, and the ultra-small-angle broadening of the X-ray beam. It is shown that, similarly to the wavefront aberrations, the ultra-small-angle scattering effects can significantly reduce the intensity gain and increase the focal spot size. The suggested approach can be particularly useful for the characterization of refractive X-ray lenses composed of many tens of unit lenses.

摘要

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