Photo-acoustic detection of laser-induced damage on optical component based on PVDF electrospinning

Sunlin Xiang; Zailin Ke; Baoxing Xiong; Fan Gao; Xiang Zhang; Xiao Yuan

doi:10.1117/12.2587370

2 December 2020 Photo-acoustic detection of laser-induced damage on optical component based on PVDF electrospinning

Sunlin Xiang, Zailin Ke, Baoxing Xiong, Fan Gao, Xiang Zhang, Xiao Yuan

Proceedings Volume 11717, 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics; 117172S (2020) https://doi.org/10.1117/12.2587370
Event: 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics, 2020, Shanghai, China

Abstract

Photo-acoustic detection is carried out on the laser-induced damage of fused silica glass. The Nd: YAG laser with the wavelength of 1064 nm, pulse duration of 10 ns and the maximum output energy of 7.0 J is used in the experimental. Results showed that: photo-acoustic could not be detected when damage has not occurred. Photo-acoustic signals containing high frequency components can be received after damage occurs. Compared with the sensor attached to the end surface and placed in the air, attaching the sensor to the side has the characteristics of high signal-to-noise ratio and does not affect the optical path. Above work provide a new technical idea for the photo-acoustic method in the damage detection.

Citation Download Citation

Sunlin Xiang, Zailin Ke, Baoxing Xiong, Fan Gao, Xiang Zhang, and Xiao Yuan "Photo-acoustic detection of laser-induced damage on optical component based on PVDF electrospinning", Proc. SPIE 11717, 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics, 117172S (2 December 2020); https://doi.org/10.1117/12.2587370

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