Towards a High Performance Fiber Laser Hydrophone

被引：50
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
收藏
页码：1335 / 1342
页数：8
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