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Design of Soft X-ray Elliptical Crystal Spectrometer
Author(s): Xiong Xiancai, Zhong Xianxin, Xiao Shali, Qian Jiayu
Pages: 1219-
1222
Year: 2005
Issue:
12
Journal: CHINESE JOURNAL OF SCIENTIFIC INSTRUMENT
Keyword: 晶体谱仪; 光谱测量; X射线诊断; 激光等离子体;
Abstract: 为了测量激光等离子体软X射线的空间和时间分辨光谱,研制了一种新型的双通道椭圆晶体谱仪,椭圆的离心率和焦距分别为0.9586和1350mm.将两个完全相同的椭圆晶体分析器进行上下对称布置,在上通道用软X射线CCD相机测量空间分辨光谱,在下通道用软X射线条纹相机测量时间分辨光谱.利用KAP椭圆晶体作色散元件,测量的波长范围是1.33~2.46nm.首次在"星光Ⅱ"激光装置上进行了打靶实验,利用该谱仪配软X射线CCD相机获取了钛激光等离子体X射线的光谱,实验结果表明该谱仪的最高光谱分辨率可以达到1173.
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