点击次数：

教研室：光纤传感与器件

发表刊物：Optics Express

关键字：Fiber optics;Fiber optics sensors; Scattering Rayleigh

摘要：We demonstrate a novel distributed acoustic sensing (DAS) system based on phase-sensitive optical time-domain reflectometry (Φ-OTDR). Both the phase and the amplitude of the Rayleigh scattering (RS) light can be demodulated in real-time. The technique is based on I/Q demodulation and homodyne detection using a 90° optical hybrid. The theoretical analysis is given, and as a proof of the concept, the dynamic strain sensing is experimentally demonstrated, with a sensing range of 12.566 km and a spatial resolution of 10 m.

全部作者：Yunjiang Rao, Jiarui Rao, Xianyang Qian, Wei Sun, Mengqiu Fan, Fei Peng, Naitian Xue, Song Wang, Li Zhang,Zinan Wang

第一作者：Zinan Wang

论文类型：基础研究

通讯作者：Zinan Wang

学科门类：工学

一级学科：光学工程

卷号：24

期号：2

页面范围：853-858

是否译文：否

发表时间：2016-01-25