分布式光纤光栅实现应变和温度的同时测量

被引:25
作者
毕卫红
李卫
傅广为
机构
[1] 燕山大学光电子工程系
[2] 燕山大学光电子工程系 河北秦皇岛
[3] 河北秦皇岛
关键词
光纤光栅(FBG); 应变; 温度; 传感器;
D O I
10.16136/j.joel.2003.08.014
中图分类号
TN253 [光纤元件];
学科分类号
0702 ; 070207 ;
摘要
提出了一种新的能实现对应变和温度同时测量的分布式光纤光栅(FBGs)传感器。该方案利用光纤与其端面连接介质的费涅尔(Fresnel)反射来测温度,以解决温度和应变测量时的交差敏感问题;利用频分复用技术来实现多个FBGs传感器的复用技术。该技术方案能用一系列相同的FBGs来实现多点应变的测量,有实现简单,能实现复用的FBGs多的特点。
引用
收藏
页码:827 / 829+834 +834
页数:4
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