双光纤Bragg光栅用于FBG型传感器的温度补偿  

Temperature Compensation of FBG Sensors with Double Fiber Bragg Gratings

作　　者：王海平[1] 陈荣[1] 林斌 谢树森[1] 程敏[1] 

机构地区：[1]福建师范大学激光研究所,福建福州350007 [2]福州康顺光通讯有限公司,福建福州350014

出　　处：《激光与红外》2003年第3期218-220,共3页Laser & Infrared

摘　　要：理论分析了FBG型传感器的温度应变交叉敏感机制,利用温度和应变响应相同的光栅对实现了光纤Bragg光栅应力/应变传感器的温度补偿,有效的消除了交叉敏感对FBG型传感器测量精度的影响,有利于光纤Bragg光栅传感器的实用化。The principle of crosssensitivity of strain and temperature of fiber Bragg grating sensors is described.The temperature compensation of FBG sensors for strain measurement is realized using double fiber Bragg gratings with the same temperature and strain response coefficient.The influence on measurement precision of FBG sensors caused by crosssensitivity is eliminated.It can advance the practicality of FBG sensors.

关 键 词：光纤BRAGG光栅 传感器 交叉敏感 温度补偿 FBG型 

分 类 号：TP212.14[自动化与计算机技术—检测技术与自动化装置]