A novel fibre Bragg grating hydrophone system

Yanhua Wang; Wenhua Ren; Zhongwei Tan; Yan Liu; Shuisheng Jian; Taorong Gong

doi:10.1117/12.740377

21 November 2007 A novel fibre Bragg grating hydrophone system

Yanhua Wang, Wenhua Ren, Zhongwei Tan, Yan Liu, Shuisheng Jian, Taorong Gong

Proceedings Volume 6781, Passive Components and Fiber-based Devices IV; 67813H (2007) https://doi.org/10.1117/12.740377
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

A novel fibre Bragg grating (FBG) hydrophone system is introduced in the paper. The influence of the sound pressure on the FBG is transformed to light intensity measurement with tuned laser. Elastic material and matched FBGs are employed to enhance the sensitivity of the hydrophone system. The hydrophone system can operate in a wide acoustic frequency range from 100Hz to 3kHz and good linear relationship is observed between the output light intensity and the sound pressure.

Citation Download Citation

Yanhua Wang, Wenhua Ren, Zhongwei Tan, Yan Liu, Shuisheng Jian, and Taorong Gong "A novel fibre Bragg grating hydrophone system", Proc. SPIE 6781, Passive Components and Fiber-based Devices IV, 67813H (21 November 2007); https://doi.org/10.1117/12.740377

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