Target micro-displacement measurement by a “comb” structure of intensity distribution in laser plasma propulsion

Z. Y. Zheng; S. Q. Zhang; L. Gao; H. Gao

doi:10.1117/12.2180673

4 May 2015 Target micro-displacement measurement by a “comb” structure of intensity distribution in laser plasma propulsion

Z. Y. Zheng, S. Q. Zhang, L. Gao, H. Gao

Author Affiliations +

Proceedings Volume 9543, Third International Symposium on Laser Interaction with Matter; 95430U (2015) https://doi.org/10.1117/12.2180673
Event: Third International Symposium on Laser Interaction with Matter, 2014, Jiangsu, China

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.

Citation Download Citation

Z. Y. Zheng, S. Q. Zhang, L. Gao, and H. Gao "Target micro-displacement measurement by a “comb” structure of intensity distribution in laser plasma propulsion", Proc. SPIE 9543, Third International Symposium on Laser Interaction with Matter, 95430U (4 May 2015); https://doi.org/10.1117/12.2180673

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