分布式光纤测温技术的研究进展

Research Progress of Distributed Optical Fiber Temperature Measurement Technology

拉曼光时域反射技术(R-OTDR)作为如今热点的分布式光纤传感技术之一,具有米级的空间分辨率,可用于精确测量数十公里的温度场,具有广泛的应用前景。该文将对R-OTDR技术的原理和系统结构进行分析,浅析R-OTDR技术的研究进展,介绍R-OTDR技术的工程运用,最后对R-OTDR技术进行总结和展望。

Raman optical time domain reflectometry technology(R-OTDR)is one of the most popular distributed optical fiber sensing technologies.It has a meter-level spatial resolution and is used to accurately estimate temperature fields of tens of kilometers.It has a wide range of applications prospect.This article will analyze the principle and system structure of R-OTDR technology,analyze the research progress of R-OTDR technology,introduce the engineering application of R-OTDR technology,and finally summarize and prospect the R-OTDR technology.