分布式光纤传感专利技术浅析

Research on patents of distributed fiber sensing technology

介绍了分布式光纤传感领域的技术发展概况,重点介绍基于布里渊散射的分布式光纤传感技术的发展情况,分别对基于布里渊光时域反射技术、基于布里渊光时域分析技术、基于布里渊光频域分析技术的发展和应用进行详细介绍,简要分析各个技术的相应优缺点以及应用,之后对分布式光纤传感相关专利技术进行统计分析,对国内外专利申请量趋势、同领域主要申请人以及申请所属分类号进行简要分析,并概述了分布式光纤传感的发展前景。

The technology development in distributed fiber sensing field is given a brief description in this paper, especially the distributed fiber sensing based on Brillouin scattering. The technologies of Brillouin optical time domain reflectometry(BOTDR)、Brillouin optical time domain analysis(BOTDA)、Brillouin optical frequency domain analysis(BOFDA) are introduced respectively in detail and their advantages and disadvantages and applications are analyzed briefly. Then the patents related to the distributed fiber sensing technology are made a statistic analysis. The quantity trends of domestic and overseas patent applications, main applicants in the same field, and the classifications that applications are belonged to are introduced in brief, and the development prospect is summarized finally.