Application of a new-structure polycapillary x-ray optics in high pressure

被引：1
|
作者：
Guo, Fei [1 ,2 ,3 ]
Lin, Xiaoyan [1 ,2 ,3 ]
Chen, Dongliang [4 ]
Liu, Shigang [1 ,2 ,3 ]
He, Jinlong [1 ,2 ,3 ]
Zhao, Weilin [1 ,2 ,3 ]
Liu, Zhiguo [1 ,2 ,3 ]
Li, Yude [1 ,2 ,3 ]
机构：
[1] Beijing Normal Univ, Appl Opt Beijing Area Major Lab, Minist Educ, Key Lab Beam Technol & Mat Modificat, Beijing 100875, Peoples R China
[2] Beijing Radiat Ctr, Beijing 100875, Peoples R China
[3] Beijing Normal Univ, Coll Nucl Sci & Technol, Beijing 100875, Peoples R China
[4] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
来源：
JOURNAL OF OPTICS | 2014年 / 16卷 / 10期
基金：
中国国家自然科学基金;
关键词：
synchrotron radiation; high-pressure XAFS; polycapillary; x-ray optics;
D O I：
10.1088/2040-8978/16/10/105207
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
New-structure polycapillary x-ray optics for high pressure x-ray absorption fine structure (XAFS) absorption spectroscopy using the diamond anvil cells (DAC) method are applied in synchrotron radiation analysis. The optics are composed of a solid glass fiber in the center and surrounded by a hollow glass capillary array. They can restrain the higher harmonic of incident synchrotron radiation and obtain smooth and clear XAFS spectra. At the biological macromolecule station in the Beijing Synchrotron Radiation Facility (BSRF), a method of aligning these optics was developed and the transmission efficiency for both fundamental and higher harmonic waves investigated. The XAFS spectra of topological insulator material of Bi2Se3 were obtained by combining the optics.
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页数：4
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