A New Underwater Acoustic Sensor Based on Fiber Bragg Grating Packaged with Polymer Material

Zhi Zhong Li; Yuan Zheng; Wei Guo Dai; Yi Chuan Wang

doi:10.4028/www.scientific.net/MSF.663-665.926

Paper Titles

Preparation of Ag₂S Thin Films by Electro-Deposition
p.910

One-Pot Synthesis of Multi-Branched FeO(OH) Nanorods
p.914

Study on the Relationship between Transparency and Mineral Compositions of Shoushan Stone
p.918

Preparation and Characterization of Europium(III) Complexes with Cinnamic Acid by Microwave Process
p.922

A New Underwater Acoustic Sensor Based on Fiber Bragg Grating Packaged with Polymer Material
p.926

Influence of Polymer Material on the Sensitivity of Packaged Fiber Bragg Grating
p.930

Molecular Simulation of Hydrogen Storage on All-Silica ZSM-5 Zeolite
p.934

Composite Material of Glass Fiber Powder Reinforced Plastic Coating
p.939

Analysis of Barium-Bearing Glass Doped with Chromium Oxide
p.943

HomeMaterials Science ForumMaterials Science Forum Vols. 663-665A New Underwater Acoustic Sensor Based on Fiber...

A New Underwater Acoustic Sensor Based on Fiber Bragg Grating Packaged with Polymer Material

Abstract:

A new kind of passive underwater acoustic sensor based on fiber Bragg grating is reported. The pressure sensitivity of the sensor is enhanced three orders of magnitude being packaged with polymer material, which is a foundation for underwater acoustic detection. An intensity modulation scheme is adopted to realize high-accuracy detection due to the extra-narrow line-width laser. The experimental results show that the sensor’s noise-limited pressure detection resolution is about 61dB (0dB＝1μPa/ Hz ) at 500 Hz, which satisfies the application of underwater target detection.

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Periodical:

Materials Science Forum (Volumes 663-665)

Pages:

926-929

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https://doi.org/10.4028/www.scientific.net/MSF.663-665.926

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Online since:

November 2010

Authors:

Zhi Zhong Li, Yuan Zheng, Wei Guo Dai, Yi Chuan Wang

Keywords:

Acoustic Sensor, Fiber Optic, Polymer Material

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