The theory of synchrotron radiation limited beams diffraction in single crystal in the Laue case

V. G. Kohn; Кон В. Г.; I. A. Smirnova; Смирнова И. А.

doi:10.31857/S0023476124030019

The theory of synchrotron radiation limited beams diffraction in single crystal in the Laue case

作者: Kohn V.G.¹, Smirnova I.A.²
隶属关系:
1. National Research Centre “Kurchatov Institute”
2. Institute of Solid State Physics RAS
期: 卷 69, 编号 3 (2024)
页面: 375-381
栏目: ДИФРАКЦИЯ И РАССЕЯНИЕ ИОНИЗИРУЮЩИХ ИЗЛУЧЕНИЙ
URL: https://rjmseer.com/0023-4761/article/view/673166
DOI: https://doi.org/10.31857/S0023476124030019
ID: 673166

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详细

The features of the Bragg diffraction of coherent synchrotron radiation on the atomic lattice of a single crystal in the Laue geometry are studied theoretically, provided that the radiation beam is limited by a relatively large slit placed in front of the crystal. The method of numerical simulation is used and dependences of the intensity distribution are obtained for various thicknesses of the crystal. It is shown that the slit edges introduce inhomogeneous intensity distortions inside the Bormann triangles with an angle of 2θ_B, where θ_B is the Bragg angle. In the area where the triangles intersect, the intensity distribution is similar to that for diffraction by a slit in air at a certain (large) distance. An equation for the correspondence between the distance and the thickness of the crystal is obtained, which describes well the results of numerical calculations.

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作者简介

V. Kohn

National Research Centre “Kurchatov Institute”

Email: irina@issp.ac.ru
俄罗斯联邦, 123182 Moscow

I. Smirnova

Institute of Solid State Physics RAS

编辑信件的主要联系方式.
Email: irina@issp.ac.ru
俄罗斯联邦, 142432 Chernogolovka

参考

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