Combined optic system based on polycapillary X-ray optics and single-bounce monocapillary optics for focusing X-rays from a conventional laboratory X-ray source

被引：6

作者：

Sun, Xuepeng ^{[1
,2
,3
]}

Liu, Zhiguo ^{[1
,2
,3
]}

Sun, Tianxi ^{[1
,2
,3
]}

Yi, Longtao ^{[1
,2
,3
]}

Sun, Weiyuan ^{[1
,2
,3
]}

Li, Fangzuo ^{[1
,2
,3
]}

Jiang, Bowen ^{[1
,2
,3
]}

Ma, Yongzhong ^{[4
]}

Ding, Xunliang ^{[1
,2
,3
]}

机构：

[1] Beijing Normal Univ, Key Lab Beam Technol & Mat Modificat, Minist Educ, Beijing 100875, Peoples R China

[2] Beijing Normal Univ, Coll Nucl Sci & Technol, Beijing 100875, Peoples R China

[3] Beijing Radiat Ctr, Beijing 100875, Peoples R China

[4] Ctr Dis Control & Prevent Beijing, Beijing 100013, Peoples R China

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2015年 / 802卷

基金：

中国国家自然科学基金;

关键词：

Combined optic system; Polycapillary X-ray optics; Single bounce monocapillary optics; X-ray focusing; CAPILLARY;

D O I：

10.1016/j.nima.2015.08.043

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Two combined optic systems based on polycapillary X-ray optics and single-bounce monocapillary optics (SBMO) were designed for focusing the X-rays from a conventional laboratory X-ray source. One was based on a polycapillary focusing X-ray lens (PFXRL) and a single-bounce ellipsoidal capillary (SBEC), in which the output focal spot with the size of tens of micrometers of the PFXRL was used as the "virtual" X-ray source for the SBEC. The other system was based on a polycapillary parallel X-ray lens (PPXRL) and a single-bounce parabolic capillary (SBPC), in which the PPXRL transformed the divergent X-ray beam from an X-ray source into a quasi-parallel X-ray beam with the divergence of sever milliradians as the incident illumination of the SBPC. The experiment results showed that the combined optic systems based on PFXRL and SBEC with a Mo rotating anode X-ray generator with the focal spot with a diameter of 300 mu m could obtain a focal spot with the total gain of 14,300 and focal spot size of 37.4 mu m, and the combined optic systems based on [PXRL and SBPC with the same X-ray source mentioned above could acquire a focal spot with the total gain of 580 and focal spot size of 58.3 mu m, respectively. The two combined optic systems have potential applications in micro X-ray diffraction, micro X-ray fluorescence, micro X-ray absorption near edge structure, full field X-ray microscopes and so on. (C) 2015 Elsevier B.V. All rights reserved,

引用

页码：5 / 9

页数：5

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