Beam profile measurement and evaluation of far field high energy laser

Pengling Yang; Guobin Feng; Zhenbao Wang; Ping Wang; Yong Wu; Jianmin Zhang; Shaowu Cheng; Gang Feng; Fei Wang; Bibo Shao

doi:10.1117/12.2181904

4 May 2015 Beam profile measurement and evaluation of far field high energy laser

Pengling Yang, Guobin Feng, Zhenbao Wang, Ping Wang, Yong Wu, Jianmin Zhang, Shaowu Cheng, Gang Feng, Fei Wang, Bibo Shao

Author Affiliations +

Proceedings Volume 9543, Third International Symposium on Laser Interaction with Matter; 95431X (2015) https://doi.org/10.1117/12.2181904
Event: Third International Symposium on Laser Interaction with Matter, 2014, Jiangsu, China

Abstract

The far field beam profile is of significant importance to the analysis of the atmospheric propagation effect and evaluation of the beam control capability, tracking and aiming precision of laser system. In the paper, technology of laser beam measurement such as mid-infrared laser detection at wide temperature range, power density attenuation, photoelectric and calorimetric compound method for laser measurement, synchronous detecting of multi-channel pulsed signal are introduced. A series of instrumented target with detector array are developed for laser beam power density distribution measurement at far field. The power in the bucket, strehl ratio, centroid and jitter of beam can be calculated from the measured results.

Citation Download Citation

Pengling Yang, Guobin Feng, Zhenbao Wang, Ping Wang, Yong Wu, Jianmin Zhang, Shaowu Cheng, Gang Feng, Fei Wang, and Bibo Shao "Beam profile measurement and evaluation of far field high energy laser", Proc. SPIE 9543, Third International Symposium on Laser Interaction with Matter, 95431X (4 May 2015); https://doi.org/10.1117/12.2181904

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