基于布里渊散射的光纤分布式应变监测温度补偿实验研究

来源 :光纤和光电子传感器及其安全应用国际会议(OFSIS2015) | 被引量 : 0次 | 上传用户:angelboy8100
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针对基于布里渊散射的光纤分布式温度、应变交叉敏感的问题,分析了采用拉曼分布式测温结果对应变测量进行补偿的可行性,并利用OZ optics公司的布里渊分布式温度应变监测仪器和最大测量误差小于1℃的单模光纤分布式测温仪器开展实验验证.实验结果表明,采用单模DTS测温结果对基于布里渊散射的应变测量结果进行补偿,可有效消除温度变化引起的测量误差,确保应变测量精度,应变测量系统误差可控制在50uε左右,测量标准差小于23uε.
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