Intensity distribution of a capillary-discharge 46.9 nm soft X-ray laser

	Intensity distribution of a capillary-discharge 46.9 nm soft X-ray laser
	Zhao Y. P.; Wu H.; Xie Y.; Jiang S.; Cui H. Y.; Wang Q.
	2013
发表期刊	Journal of Russian Laser Research
ISSN	ISBN/1071-2836
卷号	34 期号:3
摘要	We realize a Ne-like Ar 46.9 nm soft X-ray laser pumped by a capillary discharge. The study of the laserpulse-intensity distribution is important for applications of soft X-ray lasers. The intensity distribution demonstrates the gain distribution, plasma radius, and axial plasma density that contribute to the study of the laser-pulse formation. To measure the intensity in different positions of the X-ray laser spot, we moved transversally an X-ray diode (XRD) assembled with a slit. We obtain the onedimensional intensity distribution. We find a laser divergence (FWHM) of 4.0 mrad. According to the gain-guided model, we calculate the intensity distribution. The measured divergence of 4.0 mrad roughly corresponds to a plasma radius a approximately equal to 230-250 mu m and on-axis electron density n (e) a parts per thousand 8.0a (TM) 10(18) -9.0a (TM) 10(18) cm (-3). The results of calculations indicate that the divergence of the intensity distribution increases when the plasma radius decreases and the on-axis electron density increases.
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/40718
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Zhao Y. P.,Wu H.,Xie Y.,et al. Intensity distribution of a capillary-discharge 46.9 nm soft X-ray laser[J]. Journal of Russian Laser Research,2013,34(3).
APA	Zhao Y. P.,Wu H.,Xie Y.,Jiang S.,Cui H. Y.,&Wang Q..(2013).Intensity distribution of a capillary-discharge 46.9 nm soft X-ray laser.Journal of Russian Laser Research,34(3).
MLA	Zhao Y. P.,et al."Intensity distribution of a capillary-discharge 46.9 nm soft X-ray laser".Journal of Russian Laser Research 34.3(2013).

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