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According to the experimental results of spectrum diagnosis made on Qiang-Guang-I generator, we report a method to separate and diagnose Z-pinch plasma radiation spectrum. Spectral lines and different continuums are separated from experimental results and electron temperatures can be acquired. Results show that continuums are superposed by radiation of high electron temperature plasma at the centre field (Te=290.7 eV ± 1.2 eV) and radiation of lower electron temperature plasma at shell region (Te=95.3 eV ± 8.3 eV). Spectral lines reflect the information of high electron temperature plasma at the centre field. According to the calculation by using NLTE model, the electron temperature of such a plasma is in the range of 299–313 eV. The diagnose result by spectral lines is identical with the continuum's results.
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Keywords:
- Z-pinch /
- spectrum separation /
- spectrum diagnose /
- electron temperature
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[2] Liang G Y, Bian X, Zhao G 2004 Chin. Phys. 13 891
[3] Li Y Q, Yuan J M, Wu J H 2008 Chin. Phys. Lett. 25 3627
[4] Yuan J M 2002 Chin. Phys. Lett. 19 1459
[5] Liu S B, Hu Q L 2006 Chin. Phys. 15 2357
[6] Li J, Yang G H, Zhang B H, Zhang J Y, Zhou Y Q 2000 Acta Phys. Sin. 49 2389 (in Chinese) [李军, 杨国洪, 张保汉, 张继彦, 周裕清 2000 物理学报 49 2389]
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[8] Shlyaptseva A S, Hansen S B, Kantsyrev V L, Bauer B S, Fedin D A, Ouart N, Kazantsev S A, Petrashen A G, Safronova U I 2001 Rev. Sci. Instrum 72 1241
[9] Ye F, Guo C, Li Z H, Xu R K, Qin Y, Xue F B 2008 High Power Laser and Particle Beams. 20 383 (in Chinese) [叶凡, 郭存, 李正宏, 杨建伦, 徐荣昆, 秦义, 薛飞彪 2008 强激光与粒子束 20 383]
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[12] Ding Y N, Meng G W, Wang Y, Xu Y, Yan J, Yang G H, Yang J M, Zang J Y 2008 Acta Phys. Sin. 57 985 (in Chinese)[丁耀南, 孟广为, 汪艳, 许琰, 颜君, 杨国洪, 杨家敏, 张继彦 2008 物理学报 57 985]
[13] Hutchinson I H 2002 Principles of Plasma Diagnostics (UK: Cambridge University Press) 186-201
[14] Griem H R 1964 Plasma spectroscopy (New York: McGraw-Hill Book Company) 114-235
[15] Gao Q, Wu Z Q, Zhang C F, Li Z H, Xu R K, Zu X T 2012 Science in China (Series G: Physics, Mechanics & Astronomy) 42 385 (in Chinese) [高启, 吴泽清, 张传飞, 李正宏, 徐荣昆, 祖小涛 2012 中国科学 (G辑: 物理学 力学 天文学) 42 385]
[16] Gao Q, Wu Z Q, Zhang C F, Li Z H, Xu R K, Zu X T 2012 Acta Phys. Sin. 61 015201 (in Chinese) [高启, 吴泽清, 张传飞, 李正宏, 徐荣昆, 祖小涛 2012 物理学报 61 015201]
[17] Gu M F 2003 ApJ 582 1241
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