利用双周期光纤光栅实现应变和温度同时测量

被引：35

作者：

王目光

魏淮

童治

李唐军

简水生

机构：

[1] 北方交通大学光波所,北方交通大学光波所,北方交通大学光波所,北方交通大学光波所,北方交通大学光波所北京,北京,北京,北京,北京

来源：

光学学报 | 2002年 / 07期

关键词：

双周期光纤光栅; 应变; 温度; 同时测量;

D O I：

暂无

中图分类号：

TP212.14 [];

学科分类号：

0803 ;

摘要：

提出了一种新颖双周期光纤光栅传感器。在同一段氢载光纤上先后写入长周期光纤光栅、短周期布拉格光纤光栅 ,利用长周期光栅和布拉格光栅对应变和温度敏感性的差异 ,可实现应变和温度的同时测量。实验中采用这种灵敏结构的双周期光栅 ,在 0～ 170 0 με和 2 0℃～ 12 0℃范围内 ,测量精度可达到± 16 με和± 0 8℃。

引用

页码：867 / 869

页数：3

共 8 条

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