Nonlinear regime of laser-induced acoustic in the liquid

Yang Zhao; Penghui Zhang; Peng Li; Zhiquan Zhou; Qinghua Luo

doi:10.1117/12.2615101

15 October 2021 Nonlinear regime of laser-induced acoustic in the liquid

Yang Zhao, Penghui Zhang, Peng Li, Zhiquan Zhou, Qinghua Luo

Proceedings Volume 11933, 2021 International Conference on Neural Networks, Information and Communication Engineering; 119331B (2021) https://doi.org/10.1117/12.2615101
Event: 2021 International Conference on Neural Networks, Information and Communication Engineering, 2021, Qingdao, China

Abstract

Laser-induced acoustic (LIA) technology is of significance for the communication from the air platform to the underwater platform. This paper describes a method of nonlinear LIA in the liquid based on the mechanism of optical breakdown. Acoustic signals with high energy were generated by using a Nd: YAG pulsed laser with 10 ns width. A PZT hydrophone was used to receive the LIA signals for cases of the linear and nonlinear regime in the water. Meanwhile, simulation of LIA in a distance of 400 m between laser spot on the water surface and the hydrophone was performed by the COMSOL Multiphysic software. The simulated results show the communicated ability of LIA technology in the long distance.

Citation Download Citation

Yang Zhao, Penghui Zhang, Peng Li, Zhiquan Zhou, and Qinghua Luo "Nonlinear regime of laser-induced acoustic in the liquid", Proc. SPIE 11933, 2021 International Conference on Neural Networks, Information and Communication Engineering, 119331B (15 October 2021); https://doi.org/10.1117/12.2615101

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