Chinese Optics Letters, Vol. 2, Issue 8, 08495 (2004)
High-resolution X-ray focusing concave (elliptical) curved crystal spectrograph for laser-produced plasma
Shali Xiao1,*, Yingjun Pan1, Xianxin Zhong1, Xiancai Xiong1, Guohong Yang2, Zongli Liu2, and Yongkun Ding2
- 1The Key Laboratory of Optoelectronic Technology and System, Ministry of Education, Chongqing University, Chongqing 400044
- 2Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900
The X-ray spectrum emitted from laser-produced plasma contains plentiful information. X-ray spectrometer is a powerful tool for plasma diagnosis and studying the information and evolution of the plasma. X-ray concave (elliptical) curved crystals analyzer was designed and manufactured to investigate the properties of laser-produced plasma. The experiment was carried out on Mianyang Xingguang-II Facility and aimed at investigating the characteristics of a high density iron plasma. Experimental results using KAP, LIF, PET, and MICA curved crystal analyzers are described, and the spectra of Au, Ti laser-produced plasma are shown. The focusing crystal analyzer clearly gave an increase in sensitivity over a flat crystal.
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