基于布里渊散射的分布式光纤传感技术

基于布里渊散射的分布式光纤传感技术是目前国内外研究的热点。其中基于时域定位的布里渊分布式光纤传感技术主要分为布里渊光时域反射和布里渊光时域分析两种。国内对基于布里渊光时域反射技术的分布式光纤传感技术的研究报道比较多。介绍了基于布里渊光时域分析技术的分布式光纤传感技术的研究现状,并对基于时域定位的两种传感技术进行了分析对比。总结了布里渊散射分布式光纤传感技术实用化存在的问题及可能的解决方法,指出了该传感技术进一步的发展方向。

Distributed optical fiber sensing based On brillonin scattering

The technique of Brillouin scattering distributed optical fiber sensing has drawn great attention all over the world.The time-domain distributed optical fiber sensing based on Brillouin scattering has mainly two structures,Brillouin optical time-domain reflectometry and Brillouin optical time-domain analysis.Since there have been many research reports about the distributed optical fiber sensing based on the Brillouin optical time-domain reflectometry,the latest researches on the distributed optical fiber sensing based on Brillouin optical time-domain analysis are introduced in detail.Characteristics of the two timedomain sensing technologies are compared and analyzed.Key problems in the applications of Brillouin sensing and their potential solutions are summarized.Prospects in this field are also given.