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Fe靶激光等离子体25~60nm波段光谱实验研究
Experimental research on the spectra of iron-target laser-produced plasma in the 25~60nm band
【摘要】 以McPHERSON247型掠入射软X射线 真空紫外单色仪配合5900Magnum通道电子倍增器,测量了Fe靶在高真空环境下的纳秒激光等离子体25~60nm波段的EUV光谱,单色仪理论光谱分辨率Δλ≤0.038nm,波长扫描间隔0.1nm。在上述波段内测得了FeVI及FeV的强发射线丛,认证出14根强谱线。
【Abstract】 Using a McPHERSON model 247 grazing incidence monochromator equipped with a 5900 Magnum CEM, the EUV spectra from an iron-target nano-second-laser-produced plasma in high vacuum is measured in the 25~60nm band, with a theoretical spectral resolution of Δλ≤0.038nm and a wavelength scanning interval of 0.1nm. Strong line clusters of Fe VI and Fe V are observed in the above-mentioned wave band, 14 strongest emission lines are identified.
【关键词】 激光等离子体;
EUV;
光谱测量;
谱线认证;
【Key words】 laser-produced plasma; EUV; spectral measurement; spectral line identification;
【Key words】 laser-produced plasma; EUV; spectral measurement; spectral line identification;
【基金】 国家自然科学基金资助项目(60223003);中国科学院长春光机所二期创新基金资助项目(2001.02)
- 【文献出处】 光学技术 ,Optical Technique , 编辑部邮箱 ,2005年01期
- 【分类号】O4-33
- 【被引频次】2
- 【下载频次】80