分布式光纤测温技术综述  

Performance analysis of distributed fiber sensing technology

作　　者：于海鹰[1] 李琪[1] 索琳[1] 袁晓宁[1] 魏谦[1] 

机构地区：[1]山东建筑大学信息与电气工程学院,山东济南250101

出　　处：《光学仪器》2013年第5期90-94,共5页Optical Instruments

基　　金：山东省科技发展计划项目(2009GG20003017);山东省经信委项目(2008D00042);山东省自然科学基金项目(Y2007G54);山东省科技专项(2006JY17);住建部科技项目(2010-K9-53)

摘　　要：光纤传感器以其独特的优点得到了人们的普遍关注,尤其分布式光纤传感技术在土木工程等大范围测量领域成为研究热点。通过对目前分布式光纤测温技术的系统论述,提出了分布式光纤测温技术的两个研究方向:基于光纤后向散射的光时域及频域反射技术的分布式光纤测温和基于光复用技术的光纤光栅分布式测温。通过对分布式光纤测温技术两个方向的工作原理、特点及性能的理论分析及仿真实验,综合论述和分析了分布式光纤测温技术两个方向的优点和缺陷,以及在具体工程中的实际应用。In recent years, fiber optic sensor has become a focus of concern due to its unique advantages. Distributed optical fiber sensing technology, in particular, has become a hot topic in large-sphere measurement field, such as civil engineering. The development of research of optical fiber temperature measurement technology is systematically discussed. Currently, there are two major research directions of distributed optic fiber temperature sensor technology： namely, the distributed fiber sensors of time domain and frequency domain reflection technology based on the optic fiber backscattering and the distributed fiber grating sensors based on optical multiplexing technology. Through theoretical analysis and simulation of the working principle, characteristics and performance of the two types of distributed optical fiber temperature measurement systems, the advantages and disadvantages of distributed optical fiber temperature measurement technology in both directions and their practical application in specific project are comprehensively discussed and analysed.

关 键 词：光纤测温 分布式 光时域反射技术 波分复用 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]