Increase in the Resolution of Hard X-Ray Phase-Contrast Imaging in a Device Based on a Triple Laue-Case Interferometer

被引：0
|
作者：
Haroutunyan, L. A. [1 ]
机构：
[1] Yerevan State Univ, Yerevan, Armenia
来源：
JOURNAL OF CONTEMPORARY PHYSICS-ARMENIAN ACADEMY OF SCIENCES | 2024年 / 59卷 / 01期
关键词：
X-ray diffraction; phase-contrast imaging; interferometer; triple Laue-case interferometer;
D O I：
10.1134/S1068337224700166
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The possibility of increasing the resolution of X-ray phase-contrast imaging with a device based on a triple Laue-case interferometer is considered. To address one of the drawbacks of this scheme-the distortion of the interference pattern during diffraction of the object wave on the interferometer analyzer-it is proposed to replace the analyzer with two crystalline blocks of equal thickness. These blocks act as a diffraction lens, suppressing the mentioned distortions. Numerical simulations demonstrate that the low coherence of the initial radiation increases the quality of phase-contrast imaging using this method.
引用
收藏
页码：122 / 127
页数：6
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