摘要
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.
作者
李昊忱
高辉
闫紫凡
李绍辉
LI Haochen;GAO Hui;YAN Zifan;LI Shaohui(Tianjin Research Institute for Water Transport Engineering,M.O.T,Tianjin 300456,China;State Key Laboratory of Precision Testing Technology and Instruments,Tianjin University,Tianjin 300072,China)
出处
《自动化与仪表》
2024年第8期70-73,82,共5页
Automation & Instrumentation
基金
国家重点研发计划项目(2022YFB3207400)
中央级公益性科研院所基本科研业务费专项项目(TKS20230204)。
关键词
分布式光纤传感
拉曼散射
光时域反射技术
distributed optical fiber sensing
Raman scattering
optical time domain reflection technology
