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Proceedings Paper

A novel fibre Bragg grating hydrophone system
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Paper 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.

Paper Details

Date Published: 21 November 2007
PDF: 4 pages
Proc. SPIE 6781, Passive Components and Fiber-based Devices IV, 67813H (21 November 2007); doi: 10.1117/12.740377
Show Author Affiliations
Yanhua Wang, Beijing Jiaotong Univ. (China)
Wenhua Ren, Beijing Jiaotong Univ. (China)
Zhongwei Tan, Beijing Jiaotong Univ. (China)
Yan Liu, Beijing Jiaotong Univ. (China)
Shuisheng Jian, Beijing Jiaotong Univ. (China)
Taorong Gong, Beijing Jiaotong Univ. (China)

Published in SPIE Proceedings Vol. 6781:
Passive Components and Fiber-based Devices IV
Ming-Jun Li; Jianping Chen; Satoki Kawanishi; Ian H. White, Editor(s)

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