X-ray Phase Contrast at Diffraction Focusing of a Spherical Wave in a Short-Period Superlattice

被引：2

作者：

Levonyan, L. V. ^{[1
]}

Manukyan, H. M. ^{[1
]}

机构：

[1] Yerevan State Univ, Yerevan, Armenia

来源：

JOURNAL OF CONTEMPORARY PHYSICS-ARMENIAN ACADEMY OF SCIENCES | 2018年 / 53卷 / 01期

关键词：

X-ray; diffraction; spherical wave; superlattice; DIMENSIONAL IDEAL SUPERLATTICE; PERFECT CRYSTAL; DYNAMIC THEORY; FRINGES;

D O I：

10.3103/S1068337218010115

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The possibility of reconstructing the internal structure of one-dimensional phase objects at diffraction focusing of X-ray spherical wave was investigated. As a crystal analyzer a strongly absorbing wedge-shaped short period superlattice with a rib parallel to the diffraction vector was used in symmetric Laue geometry case. It is shown that by moving a phase object along the direction of diffraction vector one can bring different satellites in the focusing condition. It is possible to restore an additional wave phase acquired in the phase object by recording the entire map of obtained data.

引用

页码：92 / 94

页数：3

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