Liquid crystal-based hydrophone arrays

被引：12
作者：
Zourab Brodzeli
Leonardo Silvestri
Andrew Michie
Vladimir G. Chigrinov
Qi Guo
Eugene P. Pozhidaev
Alexei D. Kiselev
Francois Ladouceur
机构：
[1] School of Electrical Engineering and Telecommunications, UNSW
[2] Smart Digital Optics Pty. Ltd., National Innovation Centre, Australian Technology Park, Eveleigh, NSW 2015
[3] CDR, Department of Electrical and Electronic Engineering, Hong Kong University of Science and Technology, Kowloon, Clear Water Bay
[4] P. N. Lebedev Physics Institute of Russian Sciences, 117924 Moscow
[5] Institute of Physics, National Academy of Sciences, 03028 Kyïv
来源：
Photonic Sensors | 2012年 / 2卷 / 3期
关键词：
Deformed helix ferroelectric liquid crystal; Electrooptic response; Ferroelectric liquid crystal; Fiber Bragg grating; Hydrophone; Sonar;
D O I：
10.1007/s13320-012-0072-5
中图分类号：
学科分类号：
摘要：
We describe a fiber optic hydrophone array system that could be used for underwater acoustic surveillance applications (e.g. military, counter terrorist, and customs authorities in protecting ports and harbors), offshore production facilities or coastal approaches as well as various marine applications. In this paper, we propose a new approach to underwater sonar systems using the voltage-controlled liquid crystals and simple multiplexing method. The proposed method permits measurement of sound under water at multiple points along an optical fiber using the low cost components and standard single mode fiber, without complex interferometric measurement techniques, electronics or demodulation software. © The Author(s) 2012.
引用
收藏
页码：237 / 246
页数：9
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