长距离分布式布里渊光纤传感关键技术进展分析

布里渊光纤传感通过光纤中受激布里渊散射效应实现温度和应变测量，具有空间分辨率高、传感距离长和测量精度高等特点，因此分布式布里渊光纤传感成为近年的研究热点。本文通过对长距离分布式布里渊光纤传感研究进展的调研和分析，概括了长距离布里渊传感面临的主要限制因素和解决的关键技术，重点介绍了基于时分复用、频分复用、脉冲编码、宽带频率调制和图像处理算法的长距离布里渊光纤传感技术。随着长距离布里渊光纤传感器的实际工程化，对于快速测量的需求愈发显著，这将是未来长距离布里渊光纤传感的主要研究方向。

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关键词：

受激布里渊散射; 布里渊光时域分析; 光纤传感; 非线性光学

基金项目：

国家自然科学基金资助项目(61575052)；国家重大科学仪器设备开发重大专项(2017YFF0108700)

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引用本文：王本章, 逄超, 周登望, 等. 长距离分布式布里渊光纤传感关键技术进展分析[J]. 光电工程, 2018, 45(9): 170484.

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2018年第09期

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