干涉型分布式光纤振动传感技术的研究进展

Progress in Optical Fiber Interferometer Based Distributed Vibration Sensing Technology

分布式光纤振动传感技术广泛应用于区域安防、输油管道维护和工程结构健康监测等领域,是光纤传感领域的研究热点。综述了干涉型分布式光纤振动传感技术的特点及研究现状,重点对近年来的研究新进展进行了详细介绍。分析了新型干涉结构和传感机理的基本原理、定位方法及技术指标。阐述了新型数据处理方法的实现目标及具体实施过程。最后展望并讨论了干涉型分布式光纤振动传感技术的发展趋势和应用前景。

Distributed optical fiber vibration sensing （DOFVS） technology is the research focus of the optical fiber sensing field in recent years, and it has been widely used in many application areas such as perimeter security, pipeline maintenance and engineering structural health monitoring. This paper summarizes the features and research status of optical-fiber interferometer-based distributed vibration sensing technology, emphasizing on the new progress in the past few years. The fundamental working principles, location methods and main technical specifications of the novel system configurations and sensing theories are analyzed in detail. Moreover, the purpose and implementation process of the novel data-processing algorithms are also introduced. The developing trend and application prospect are presented and discussed.