40-km OFDR-Based Distributed Disturbance Optical Fiber Sensor

被引：23
作者：
Liu, Tiegen
Du, Yang
Ding, Zhenyang [1 ,2 ]
Liu, Kun
Zhou, Yonghan
Jiang, Junfeng
机构：
[1] Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China
[2] Tianjin Univ, Key Lab Optoelect Informat Tech, Minist Educ, Tianjin 300072, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2016年 / 28卷 / 07期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Optical fibers; optical scattering; frequency domain analysis; reflectometry; SPATIAL-RESOLUTION; LOCATION;
D O I：
10.1109/LPT.2015.2513798
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present a 40-km distributed disturbance optical fiber sensor based on optical frequency domain reflectometry. Using the local Rayleigh backscattering in the optical frequency domain after deskew filter processing, we can extract the position and level information of the disturbance by the cross-correlation analysis of the signals between the disturbed and nondisturbed states. We also realize the location of two simultaneous disturbances in the test fiber.
引用
收藏
页码：771 / 774
页数：4
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