Determination of the Collimation Degree of a Coherent X-Ray Beam Using a Planar Multilens Interferometer

被引：0

作者：

Zverev, D. A. ^{[1
]}

Yunkin, V. A. ^{[2
]}

Kuznetsov, S. M. ^{[2
]}

Barannikov, A. A. ^{[1
]}

Sorokovikov, M. N. ^{[1
]}

Voevodina, M. A. ^{[1
]}

Snigirev, A. A. ^{[1
]}

机构：

[1] Immanuel Kant Balt Fed Univ, Kaliningrad 236041, Russia

[2] Russian Acad Sci, Inst Microelect Technol & High Pur Mat, Chernogolovka 142432, Moscow Oblast, Russia

来源：

JOURNAL OF SURFACE INVESTIGATION | 2023年 / 17卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

X-ray optics; compound refractive lenses; coherence; interferometer; synchrotron; source diagnostics; COMPUTED-TOMOGRAPHY; INDEX; LENS;

D O I：

10.1134/S1027451023030370

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We propose a method for determining the collimation ratio of a coherent X-ray beam using a planar multilens interferometer. The method is based on the analysis of Talbot images, which are periodic patterns of interference fringes formed by the interferometer at corresponding distances. The high sensitivity of the position and period of the interference fringes to the shape of the X-ray beam wave front enables determination of its collimation degree and evaluation of the coherence properties of the radiation. The effectiveness of the proposed approach is experimentally demonstrated at the ID15B beamline of the European Synchrotron Radiation Facility (ESRF) synchrotron radiation source. A theoretical study is carried out, and the corresponding results of computer simulation are presented. The experimental data obtained correspond fully to the theoretical estimates.

引用

页码：995 / 1000

页数：6

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