A High-Efficiency X-Ray Crystal Spectrometer for X-Ray Thomson Scattering

被引：0

作者：

Zhang Xiaoding ^{[1
,2
,3
]}

Zhang Jiyan ^{[3
]}

Yang Guohong ^{[3
]}

Wet Minxi ^{[3
]}

Hu Guangyue ^{[1
,2
]}

Zhao Bin ^{[1
,2
]}

Zheng Jian ^{[1
,2
]}

机构：

[1] Univ Sci & Technol China, CAS Key Lab Basic Plasma Phys, Hefei 230026, Peoples R China

[2] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Peoples R China

[3] China Acad Engn Phys, Laser Fus Res Ctr, Mianyang 621900, Peoples R China

来源：

PLASMA SCIENCE & TECHNOLOGY | 2013年 / 15卷 / 08期

基金：

中国国家自然科学基金;

关键词：

crystal spectrometer; highly oriented pyrolytic graphite; X-ray Thomson scattering;

D O I：

10.1088/1009-0630/15/8/07

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Highly oriented pyrolitic graphite (HOPG) has high X-ray diffraction efficiency due to its unique mosaic crystal structure, and thus is very suitable for its application to X-ray Thomson scattering measurement of solid-density plasmas. In this article, by using the K-shell X-ray source from laser-produced Ti plasma, the properties of the HOPG spectrometer are characterized and compared with those of the flat Pentaerythritol (PET) spectrometer. The results show that the diffraction efficiency of the HOPG spectrometer under focusing condition is an order higher than that of the PET spectrometer, while the spectral resolution of the HOPG is about 320, high enough to be used in the measurement of X-ray Thomson scattering spectra.

引用

页码：755 / 759

页数：5

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