Towards a High Performance Fiber Laser Hydrophone

被引：51

作者：

Foster, Scott ^{[1
]}

Tikhomirov, Alexei ^{[1
]}

van Velzen, John ^{[1
]}

机构：

[1] Def Sci & Technol Org, Maritime Operat Div, Edinburgh 5111, Australia

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2011年 / 29卷 / 09期

关键词：

Acoustic sensors; distributed feedback devices; lasers; optical fiber devices; INTERFEROMETRIC INTERROGATION; SENSOR; TECHNOLOGY;

D O I：

10.1109/JLT.2011.2123869

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The operating principle and theory of a fiber laser bender hydrophone is presented. We report experimental results for a micro-engineered silicon fiber laser hydrophone. The hydrophone has a flat pressure responsivity of 107 dB re Hz/Pa over a bandwidth exceeding 5 kHz, corresponding to ocean noise limited acoustic sensitivity. The first structural resonance of the hydrophone is 9 kHz in water and the acceleration rejection is in excess of 0 dB re ms(-2)/Pa up to 5 kHz.

引用

页码：1335 / 1342

页数：8

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