Optical FBG magnetic field sensors based on giant magnetostrictive materials

Du Junxian

doi:10.13756/j.gtxyj.2015.06.014

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Optical FBG magnetic field sensors based on giant magnetostrictive materials

- Optical FBG magnetic field sensors based on giant magnetostrictive materials
- Study on Optical communication Issue 6, Pages: 55-57(2015)
- 作者机构：
  
  烟台汽车工程职业学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2015.06.014
  CLC： TP212
- Published：2015，
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[1]杜俊贤.基于超磁致伸缩材料的光纤光栅磁场传感器[J].光通信研究,2015(06):55-57.

Du Junxian. Optical FBG magnetic field sensors based on giant magnetostrictive materials. [J]. (6):55-57(2015)
[1]杜俊贤.基于超磁致伸缩材料的光纤光栅磁场传感器[J].光通信研究,2015(06):55-57. DOI： 10.13756/j.gtxyj.2015.06.014.

Du Junxian. Optical FBG magnetic field sensors based on giant magnetostrictive materials. [J]. (6):55-57(2015) DOI： 10.13756/j.gtxyj.2015.06.014.

摘要

在分析光纤光栅传感原理的基础上

设计了一种基于超磁致伸缩材料的光纤光栅磁场传感器。先将一根光纤光栅粘贴在超磁致伸缩材料上;为补偿温度对磁场测量光纤光栅传感器的影响

再将另一根光纤光栅的一端固定在有机玻璃上并保持自由状态。对设计的传感器进行温度和磁场强度响应特性实验

在0

0℃的范围内

磁场测量和温度补偿光纤光栅的温度灵敏度分别为22和9.9pm/℃。在0

200×10-4 T范围内

传感器的磁场强度检测灵敏度约为1pm/1×10-4 T

分辨率为1×10-4 T

线性度为0.996 3

稳定性约为±3×10-4 T

为弱磁场的测量提供了一种新方法。

Abstract

On the basis of analyzing the principle of Fiber Bragg Grating（FBG）sensors

a novel FBG magnetic field sensor based on giant magnetostrictive material is designed.A FBG is first stuck to the giant magnetostrictive material and in order to compensate the effects of temperature on the FBG sensor

one end of another FBG is fixed to a plexiglass and kept in a free state.Then the experimental study on the response characteristics of temperature and magnetic field intensity of the designed sensor is performed.In the range of 0

0 ℃

the temperature sensitivities of the magnetic field measurement and the FGB temperature compensation are 22 and 9.9pm/℃ respectively.When the magnetic field intensity is 0

200 ×10-4 T

the magnetic field detection sensitivity of the sensor is about 1pm/1×10-4 T

the resolution is 1×10-4 T

the linearity is 0.996 3and the stability is about±3×10-4 T.This study results provide a new method for the measurement of weak magnetic fields.

关键词

磁场传感器光纤光栅温度补偿

Keywords

magnetic field sensorFBGtemperature compensation

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Related Institution

China Telecom Co.,Ltd.

Wuhan Telecommunication Devices Co.,Ltd.

State Key Laboratory of Optical Communication Technologies and Networks

Headmaster’s Office,Qiqihar University

Institute of Communications and Electronics Engineering,Qiqihar University

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