布里渊分布式光纤传感技术的分类及发展  

Classifications and Development of Brillouin Distributed Optical Fiber Sensing Technology

作　　者：李晓娟[1] 杨志[1] 

机构地区：[1]华北电力大学电子与通信工程系,河北保定071003

出　　处：《电力系统通信》2011年第2期35-39,共5页Telecommunications for Electric Power System

摘　　要：从光时域反射仪的原理及特点入手,介绍了分布式光纤传感技术的特点、作用及其分类。分析了基于布里渊散射的分布式光纤传感技术的当前进展及发展趋势,主要包括基于布里渊光时域反射、布里渊光时域分析、布里渊光频域分析、布里渊光相关域分析和布里渊光相关域反射的分布式光纤传感技术。对这五种传感技术的特点及存在的问题进行了比较,分析了每种传感技术所能达到的技术指标,指出了基于布里渊散射的分布式光纤传感技术未来的发展方向。Beginning with the principles and features of optical time domain re？ectometry,this paper introduces the characteristics,functions and classifications of distributed optical fiber sensing technology,and the current progress and developing trend based on Brillouin scattering.It discusses the distributed optical fiber sensing technology based on Brillouin optical time domain reflectometer,Brillouin optical time domain analysis,Brillouin optical frequency domain analysis,Brillouin optical coherent domain analysis and Brillouin optical coherent domain reflectometer.The characteristics and existing problems among these five kinds of sensing technology are compared and analyzed,and the developing direction of distributed optical fiber sensing technology based on Brillouin scattering is also pointed out in the paper.

关 键 词：OTDR 分布式光纤传感 布里渊散射 布里渊频移 

分 类 号：TN929.11[电子电信—通信与信息系统]