| 激光等离子体软X光源8—20nm光谱辐射研究 |
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| 引用本文： | 郭玉彬.激光等离子体软X光源8—20nm光谱辐射研究[J].光谱学与光谱分析,1998,18(3):265-268. |
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| 作者姓名： | 郭玉彬 |
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| 作者单位： | 长春邮电学院通信工程系 |
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| 基金项目： | 应用光学国家重点实验室资助 |
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| 摘 要： | 研制了了一种脉冲重复频率为１０Ｈｚ的激光等离子软Ｘ射线源；傅波长０．５３μｍ和波长１．０６μｍ的激光脉冲，聚焦在不同的金属靶上，使之离子化。
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| 关 键 词： | 激光等离子体 软X射线源 辐射 光谱 |
Study of soft X-ray radiation in 8-20 nm region from a laser plasma source] |
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| Y Guo.Study of soft X-ray radiation in 8-20 nm region from a laser plasma source][J].Spectroscopy and Spectral Analysis,1998,18(3):265-268. |
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| Authors: | Y Guo |
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| Institution: | Department of Communication Engineering, Changchun Institute of Post and Telecommunications. |
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| Abstract: | A repetitive-laser-produced-plasma (LPP) soft X-ray source with a pulse repetition rate up to 10 Hz was developed. Spectra ranging from 8 to 20 nm were obtained from plasmas generated respectively by a 100 mJ (lambda = 0.53 microm) and 800 mJ (lambda = 1.06 microm) Nd:YAG laser focused on the following different target materials: C, Mg, Al, Ti, Fe, Cu, Zn, Sn, W, Pb and Bi. The dependence of spectral distribution on the target materials and laser parameters, such as pulsed laser energy, laser focus power density etc. are analyzed. The intensities of the soft X-ray radiation with different atomic numbers are characterized. |
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