Design of transducer in fiber-optic interferometric magnetometers for measarement of low-intensity magnetic fields

SHI Chang-hai; CHEN Jian-ping; LI Xin-wan; WANG Xiao-yang

doi:10.13873/j.1000-97872006.12.023

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Design of transducer in fiber-optic interferometric magnetometers for measarement of low-intensity magnetic fields

更新时间：2025-09-11

- Design of transducer in fiber-optic interferometric magnetometers for measarement of low-intensity magnetic fields
- Issue 12, Pages: 67-69(2006)
- 作者机构：
  
  1. 上海交通大学区域光纤通信网与新型光通信系统国家重点实验室
  2. 上海交通大学区域光纤通信网与新型光通信系统国家重点实验室,上海,200240
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872006.12.023
  CLC： TP212.14
- Published：2006
- 稿件说明：
移动端阅览
[1]施长海,陈建平,李新碗,王晓扬.干涉型光纤微弱磁场传感系统换能器的设计[J].传感器与微系统,2006(12):67-69.

SHI Chang-hai, CHEN Jian-ping, LI Xin-wan, et al. Design of transducer in fiber-optic interferometric magnetometers for measarement of low-intensity magnetic fields[J]. 2006, (12): 67-69.
[1]施长海,陈建平,李新碗,王晓扬.干涉型光纤微弱磁场传感系统换能器的设计[J].传感器与微系统,2006(12):67-69. DOI： 10.13873/j.1000-97872006.12.023.

SHI Chang-hai, CHEN Jian-ping, LI Xin-wan, et al. Design of transducer in fiber-optic interferometric magnetometers for measarement of low-intensity magnetic fields[J]. 2006, (12): 67-69. DOI： 10.13873/j.1000-97872006.12.023.

摘要

通过理论分析与实验比较

为干涉型光纤微弱磁场传感系统的换能器提出了一体化的设计方法。分析了干涉型光纤微弱磁场传感系统的基本工作原理和影响换能器性能的主要因素

对传统高灵敏度的换能器结构进行了改进

并进行一体化设计。实验结果表明:该一体化的换能器

相对传统换能器而言

具有更高的灵敏度和更好的方向性

并具有隔音和防振效果。采用该换能器的传感系统工作稳定

对被测磁场具有非常好的线性响应。

Abstract

Based on the theoretical analysis and experimental comparison

a compact design method for transducers of fiber-optic low-intensity interferometric magnetometers is presented.The fundamentals of the fiber-optic interferometric magnetometer and figures out the main factors limiting its performance are analysed.Transducer structure are improved.Experimental results proved that the transducer has higher sensitivity and better directivity than the traditional transducer.The system can work stably and provide linear output to the measured magnetic field.

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Keywords

references

弱磁场测量技术进展 [J]. 李大明,黄明哲. 物理 . 1992(05)

光纤微弱磁场传感器技术 [D]. 薛志英. 电子科技大学 2001

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Related Institution

School of Physics and Electronic Engineering,Harbin Normal University

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