Laser acoustic energy conversion efficiency in optical breakdown mechanism

Wang Xiaoyu; Wang Jiang’an; Zong Siguang; Liu Tao

doi:10.3788/HPLPB20132503.0579

Volume 25 Issue 03

Mar. 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(03): 579-582

Wang Songsong, Shu Ting, Yang HanWu. Dispersity of closure time of multiple switches on stacked Blumleins[J]. High Power Laser and Particle Beams, 2012, 24: 1995-1999. doi: 10.3788/HPLPB20122408.1995

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Wang Xiaoyu, Wang Jiang’an, Zong Siguang, et al. Laser acoustic energy conversion efficiency in optical breakdown mechanism[J]. High Power Laser and Particle Beams, 2013, 25: 579-582. doi: 10.3788/HPLPB20132503.0579

Wang Songsong, Shu Ting, Yang HanWu. Dispersity of closure time of multiple switches on stacked Blumleins[J]. High Power Laser and Particle Beams, 2012, 24: 1995-1999. doi: 10.3788/HPLPB20122408.1995

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Laser acoustic energy conversion efficiency in optical breakdown mechanism

doi: 10.3788/HPLPB20132503.0579

1.
College of Electronic Engineering,Naval University of Engineering,Wuhan 430033,China

Received Date: 2012-04-23
Rev Recd Date: 2012-06-25
Publish Date: 2013-03-05

Abstract

Abstract

An experiment system for laser-induced acoustic signal has been built. Acoustic signal is induced by pulse laser focused into water. A hydrophone is used to receive and convert acoustic signal into electric signal. The energy of the acoustic signal is calculated. Laser acoustic energy conversion efficiency is theoretically and experimentally analyzed. The results are as follows: as laser energy increases, energy conversion efficiency decreases; the longer distance the laser travels before being focused, the smaller the energy conversion efficiency is; energy conversion efficiency increases as absorbed energy by plasma increases; water salinity has little influence on energy conversion efficiency.
- laser technology,
- laser-induced acoustic signals,
- optical breakdown,
- laser acoustic energy conversion efficiency,
- acoustic signals

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