Photothermal studies of the radiation effects on weakly absorptive optical thin film coatings induced by high repetitive laser pulses

Jingtao Dong; Jian Chen; Zhouling Wu; Huasong Liu; Yiqin Ji

doi:10.1117/12.2079099

20 February 2015 Photothermal studies of the radiation effects on weakly absorptive optical thin film coatings induced by high repetitive laser pulses

Jingtao Dong, Jian Chen, Zhouling Wu, Huasong Liu, Yiqin Ji

Author Affiliations +

Proceedings Volume 9346, Components and Packaging for Laser Systems; 93460X (2015) https://doi.org/10.1117/12.2079099
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

In this paper a commercial photothermal instrument is used to study the radiation effects on weakly absorptive optical thin film coatings induced by high repetitive laser pulses. Through in-situ measuring of the coatings’ absorption under irradiation of high repetitive laser pulses, the dynamic information of laser-material-interaction process is obtained, which is very useful for understanding and analyzing of laser damage mechanism of the coatings. In addition, absorption defects on the coatings are clearly determined through the photothermal imaging instrument.

Citation Download Citation

Jingtao Dong, Jian Chen, Zhouling Wu, Huasong Liu, and Yiqin Ji "Photothermal studies of the radiation effects on weakly absorptive optical thin film coatings induced by high repetitive laser pulses", Proc. SPIE 9346, Components and Packaging for Laser Systems, 93460X (20 February 2015); https://doi.org/10.1117/12.2079099

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