分布式光纤声波传感技术研究进展
收稿日期: 2017-10-09
网络出版日期: 2018-01-31
基金资助
国家自然科学基金（No.61377062，No.61475165，No.61405227，No.61675216）；上海市科技创新基金（No.15XD1524500）；中国科学院创新基金（No.CXJJ-15Z006）；中国科学院重点部署项目（No.X160520）资助
Progress in Research of Distributed Fiber Acoustic Sensing Techniques
Received date: 2017-10-09
Online published: 2018-01-31
分布式光纤声波传感技术可以实现动态应变的长距离、分布式、实时定量检测，在重要场所和重大基础设施的安防监测、大型结构的健康监测、油气资源勘探等领域有广阔的应用前景.该文在对分布式光纤声波传感技术的发展历程和研究进展进行回顾和评述的基础上，重点介绍其课题组在基于相位敏感光时域反射仪的分布式光纤声波传感技术取得的研究进展，包括信号的高保真获取、参数指标提升和工程应用研究3个方面.
关键词： 光纤传感; 相位敏感光时域反射计; 分布式声波传感; 瑞利散射
蔡海文, 叶青, 王照勇, 卢斌, 曹玉龙 . 分布式光纤声波传感技术研究进展[J]. 应用科学学报, 2018 , 36(1) : 41 -58 . DOI: 10.3969/j.issn.0255-8297.2018.01.003
Distributed fiber acoustic sensing (DAS) has wide application prospects, including security monitoring for important places and critical infrastructure, large-scale structure health monitoring,oil and gas resource exploration, etc. This is due to its capability of quantitative measurement for distributed dynamic strain over a long distance in real time. Recently, this technology attracts much attention from scientists and industries all over the world. In this paper, the development progress of distributed fiber acoustic sensing is reviewed and commented. Moreover, the relevant research in the author's group, represented by phase-sensitive optical time domain reflectometry (Φ-OTDR), are highlighted. Three parts of the research are summarized:high-fidelity signal restoration,system performance improvement, and engineering applications.
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