[1]马瑞,张文涛,李芳.基于超磁致伸缩材料的光纤磁场传感器[J].郑州大学学报(工学版),2019,40(06):6-10.[doi:10.13705/j.issn.1671-6833.2019.06.008]
　Mary,Zhang Wentao,Li Fang.A fiber optic Magnetic Sensor Utilizing Giant Magnetostrictive Materials and Fiber Bragg Grating Fabry-Perot Cavity[J].Journal of Zhengzhou University (Engineering Science),2019,40(06):6-10.[doi:10.13705/j.issn.1671-6833.2019.06.008]
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基于超磁致伸缩材料的光纤磁场传感器()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
40
期数:
2019年06期
页码:
6-10
栏目:
出版日期:
2019-11-16

文章信息/Info

Title:
A fiber optic Magnetic Sensor Utilizing Giant Magnetostrictive Materials and Fiber Bragg Grating Fabry-Perot Cavity
作者:
马瑞；张文涛；李芳
1. 中国科学院半导体研究所传感技术国家重点实验室;2. 中国科学院大学材料科学与光电技术学院
Author(s):
Mary 1; 2; Zhang Wentao 1; 2; Li Fang1; 2
1. State Key Laboratory of Sensing Technology, Institute of Semiconductors, Chinese Academy of Sciences; 2. School of Materials Science and Optoelectronic Technology, University of Chinese Academy of Sciences
关键词:
光纤传感器; 光纤光栅法布里-珀罗腔; 磁致伸缩材料; 磁场; 温度
Keywords:
Fiber Optic Sensor; Fiber Bragg Grating Fabry-Perot cavity; Magnetostrictive materials; magnetic field; temperature
分类号:
TN29
DOI:
10.13705/j.issn.1671-6833.2019.06.008
文献标志码:
A
摘要:
针对现有光纤传感器难以实现微弱静态磁场测量的问题，本文提出了一种具有μT量级磁场分辨率的光纤磁场传感器，并有望用于资源勘探电网监测、地磁导航等领域. 我们将光纤光栅法布里珀罗腔和超磁致伸缩材料Terfenol-D耦合，并采用了钕铁硼永磁体提供偏置磁场. 同时，我们采用 Monel-400合金与耦合的方式，作为参考元件，对磁场传感器进行了温度补偿. 实验测得传感器的磁场灵敏度为1.5×10-3 pm/μT，磁场分辨率为 μT.
Abstract:
In order to measure static magnetic field, this paper presents a novel optical fiber magnetic field sensor with the resolution of μT level. This sensor is expected to be used in resource exploration, power grid monitoring, geomagnetic navigation and so on. FBG-FP coupled with Terfenol-D is used as sensing element, and a NdFeB magnet is used to apply bias magnetic field. Meanwhile, to compensate the environmental temperature, another FBG-FP coupled with Monel-400 is used as a reference. The measurement sensitivity of the sensor is 1.5×10-3 pm/μT, which results in a magnetic induction resolution of 0.67 μT. The experimental results show that the sensor exhibits excellent linearity and directivity in response to static magnetic field

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更新日期/Last Update: 2019-11-23