Four-framed X-ray imaging crystal spectrometer for time-resolved laser plasma diagnostics

被引：4

作者：

Yi, Shengzhen ^{[1
]}

Du, Huiyao ^{[1
]}

Si, Haoxuan ^{[1
]}

Zhou, Zexian ^{[2
]}

Jiang, Li ^{[1
]}

Wang, Zhanshan ^{[1
]}

Cheng, Rui ^{[2
]}

机构：

[1] Tongji Univ, Sch Phys Sci & Engn, Shanghai Profess Tech Serv Platform Full Spectrum, Inst Precis Opt Engn,MOE Key Lab Adv Microstruct M, Shanghai 200092, Peoples R China

[2] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2023年 / 1057卷

基金：

中国国家自然科学基金;

关键词：

Laser plasma; X-ray spectrum; Bent-crystal spectrometer; Mica crystal; Spectral resolution; HIGH-RESOLUTION; BENT CRYSTALS; SPECTROMICROSCOPY; SPECTROSCOPY; MICROSCOPE; ALUMINUM; MEDIA; FLAT;

D O I：

10.1016/j.nima.2023.168722

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

X-ray imaging crystal spectrometers with high spectral and spatial resolutions are the important diagnostic tools for acquiring high-quality plasma information in the study of laser-matter interactions. In this paper we propose a new multi-channel imaging crystal spectrometer with coupling X-ray framing camera to record the dynamic evolution of a laser-induced plasma: a four-channel imaging mica crystal spectrometer with a spatial resolution of 40-60 mu m for diagnosing the aluminum (Al) plasma targets was developed. Calibration experiments revealed that the spectral resolution is higher than 1700 at Al K alpha 3 characteristic lines (1496.4eV). Further, we established an aiming method based on the positioning ball and two monitoring CCDs. The optical design, mechanical design, and experimental measurements of the four-channel imaging mica crystal spectrometer are discussed.

引用

页数：5

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