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Optical Engineering

Spatial uniformity and its time evolution of linear laser plasmas
Author(s): Xiaofang Wang; Zhizhan Xu; Shisheng Chen; Aidi Qian; Li-Huang Lin; Yaolin Li; Pinzhong Fan; Zhengquan Zhang
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Paper Abstract

The effect of laser illumination conditions on the uniformity of the linear laser plasmas produced is investigated with time-integrated and time-resolved soft x-ray diagnostics. Evident nonuniformities along the line focus resulting from nonuniform laser intensity distributions have been observed with a conventional simple line-focusing technique. Specifically, the nonuniformity of higher charge-state ions is more remarkable than that of lower ones. A uniform linear plasma can be obtained with a new line-focusing technique that produces uniform laser illumination. Nonuniformities under uniform laser illumination are found to occur primarily in the laser heating period. Further development of time-matched and spatial uniform line-focused laser illumination will produce more uniform linear plasmas.

Paper Details

Date Published: 1 January 1993
PDF: 7 pages
Opt. Eng. 32(1) doi: 10.1117/12.60074
Published in: Optical Engineering Volume 32, Issue 1
Show Author Affiliations
Xiaofang Wang, Shanghai Institute of Optics and Fine Mechanics (China)
Zhizhan Xu, Shanghai Institute of Optics and Fine Mechanics (China)
Shisheng Chen, Shanghai Institute of Optics and Fine Mechanics (China)
Aidi Qian, Shanghai Institute of Optics and Fine Mechanics (China)
Li-Huang Lin, Shanghai Institute of Optics and Fine Mechanics (China)
Yaolin Li, Shanghai Institute of Optics and Fine Mechanics (China)
Pinzhong Fan, Shanghai Institute of Optics and Fine Mechanics (China)
Zhengquan Zhang, Shanghai Institute of Optics and Fine Mechanics (China)


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