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Nonlinear regime of laser-induced acoustic in the liquid

  • School of Information Science and Engineering, Harbin Institute of Technology Weihai
  • Weihai City Key Lab of Photoacoustic Testing and Sensing
  • Qilu University of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

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.

Original languageEnglish
Title of host publication2021 International Conference on Neural Networks, Information and Communication Engineering
EditorsZhiyong Zhang
PublisherSPIE
ISBN (Electronic)9781510647374
DOIs
StatePublished - 2021
Externally publishedYes
Event2021 International Conference on Neural Networks, Information and Communication Engineering - Qingdao, China
Duration: 27 Aug 202129 Aug 2021

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume11933
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference2021 International Conference on Neural Networks, Information and Communication Engineering
Country/TerritoryChina
CityQingdao
Period27/08/2129/08/21

Keywords

  • Air
  • Communication
  • Laser-induced acoustic
  • Underwater

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