强激光与粒子束, 2011, 23 (6): 1523, 网络出版: 2011-07-04   

基于光子筛的软X光谱仪

A soft X-ray spectrograph based on photon sieves
作者单位
中国工程物理研究院 激光聚变研究中心, 高温高密度等离子体物理国防科技重点实验室, 四川 绵阳 621900
摘要
介绍了采用新型软X光谱学光子筛作为分光元件的软X光谱仪的原理和结构参数设计。新谱仪理论测量范围为100 eV~2 keV,光谱分辨力达0.35 nm。应用该谱仪在SILEX-Ⅰ装置上测量了飞秒激光与固体铜靶相互作用产生的X射线发射谱。实验结果表明,该谱仪主要性能指标达到设计要求,适合于激光与等离子体相互作用产生的软X射线研究。
Abstract
Using photon sieves as the spectral components, this paper designs a new soft X-ray spectrograph, and analyses its principles, structure and design. The theoretical measurement range of the spectrograph is 100 eV to 2 keV with a spectral resolution of 0.35 nm. The X-ray emission spectrum from femtosecond laser-Cu target interaction has been obtained with the spectrograph on SILEX-Ⅰ. It proves that the spectrograph can meet the design requirements, suitable for researches on soft X-rays produced by laser-plasma interaction.
参考文献

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高宇林, 曹磊峰, 周维民, 魏来, 臧华平, 谷渝秋, 张保汉. 基于光子筛的软X光谱仪[J]. 强激光与粒子束, 2011, 23(6): 1523. Gao Yulin, Cao Leifeng, Zhou Weimin, Wei Lai, Zang Huaping, Gu Yuqiu, Zhang Baohan. A soft X-ray spectrograph based on photon sieves[J]. High Power Laser and Particle Beams, 2011, 23(6): 1523.

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