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Proceedings Paper

Target micro-displacement measurement by a “comb” structure of intensity distribution in laser plasma propulsion
Author(s): Z. Y. Zheng; S. Q. Zhang; L. Gao; H. Gao
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Paper Abstract

A “comb” structure of beam intensity distribution is designed and achieved to measure a target displacement of micrometer level in laser plasma propulsion. Base on the “comb” structure, the target displacement generated by nanosecond laser ablation solid target is measured and discussed. It is found that the “comb” structure is more suitable for a thin film target with a velocity lower than tens of millimeters per second. Combing with a light-electric monitor, the ‘comb’ structure can be used to measure a large range velocity.

Paper Details

Date Published: 4 May 2015
PDF: 5 pages
Proc. SPIE 9543, Third International Symposium on Laser Interaction with Matter, 95430U (4 May 2015); doi: 10.1117/12.2180673
Show Author Affiliations
Z. Y. Zheng, China Univ. of Geosciences (China)
S. Q. Zhang, China Univ. of Geosciences (China)
L. Gao, China Univ. of Geosciences (China)
H. Gao, China Univ. of Geosciences (China)


Published in SPIE Proceedings Vol. 9543:
Third International Symposium on Laser Interaction with Matter
Yury M. Andreev; Zunqi Lin; Xiaowu Ni; Xisheng Ye, Editor(s)

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