Research Progress of Distributed Optical Fiber Temperature Measurement Tech-nology
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 appli-cation of R-OTDR technology,and finally summarize and prospect the R-OTDR technology.
distributed optical fiber sensingRaman scatteringoptical time domain reflection technology