Fiber magnetic-field sensor based on nanoparticle magnetic fluid and Fresnel reflection

被引：75

作者：

Chen, Luan Xiong ^{[1
]}

Huang, Xu Guang ^{[1
]}

Zhu, Jia Hu ^{[1
]}

Li, Guang Can ^{[1
]}

Lan, Sheng ^{[1
]}

机构：

[1] S China Normal Univ, Key Lab Photon Informat Technol, Guangdong Higher Educ Inst, Guangzhou 510006, Guangdong, Peoples R China

来源：

OPTICS LETTERS | 2011年 / 36卷 / 15期

关键词：

REFRACTIVE-INDEX; FILMS;

D O I：

10.1364/OL.36.002761

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A simple fiber sensor for magnetic field measurement based on nanoparticle Fe(3)O(4) magnetic fluid and relative Fresnel reflection is presented. The sensor includes only a light source, three couplers, two photodetectors, and two fiber sensing ends. Magnetic fields at different concentrations of magnetic fluid are measured. Magnetic fluid with high concentration can be used for the measurement of weak magnetic fields, while low concentration fluid is used for the measurement of strong magnetic fields. The temperature dependence of the sensor is also addressed. (C) 2011 Optical Society of America

引用

收藏

页码：2761 / 2763

页数：3

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