Liquid Crystal-Based Hydrophone Arrays

我们描述纤维能被用于的眼的水中听音器数组系统在水下声学的监视应用程序(例如军人，相反的恐怖主义者，和习俗，在保护的当局移植并且怀有) ，近海象各种各样的海洋的应用程序一样的生产设备或沿海的途径。在这份报纸，我们建议一条新途径到在水下用控制电压的液体晶体和简单 multiplexing 方法的声纳系统。在在沿着用低费用部件和标准单身者的光纤维的多重点的水下面的声音的建议方法许可证测量模式纤维没有复杂 interferometric 测量技术，电子学或解调软件。

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.