An Optical Microfiber Taper Magnetic Field Sensor With Temperature Compensation

被引：21

作者：

Liu, Zi Jian ^{[1
]}

Yu, Yong Sen ^{[1
]}

Zhang, Xuan Yu ^{[1
]}

Chen, Chao ^{[2
]}

Zhu, Cong Cong ^{[1
]}

Meng, Ai Hua ^{[1
]}

Jing, Shi Mei ^{[1
]}

Sun, Hong Bo ^{[1
]}

机构：

[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China

[2] Chinese Acad Sci, State Key Lab Luminescence & Applicat, Changchun Inst Opt Fine Mech & Phys, Changchun 130033, Peoples R China

来源：

IEEE SENSORS JOURNAL | 2015年 / 15卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Fiber optic sensors; fiber tapers; magnetic fluid; magnetic field sensors; REFRACTIVE-INDEX; FIBER; FLUID; STRAIN; INTERFEROMETER; FERROFLUID;

D O I：

10.1109/JSEN.2015.2429911

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We proposed an optical magnetic field sensor with the temperature correction capability, which is based on an optical microfiber taper (OMT) integrated with magnetic fluid. The OMT is fabricated simply by fused tapering and then sealed into a capillary tube filled with magnetic fluid. The sensor is highly sensitive to magnetic field with the sensitivity of 0.171 nm/Oe in the range of 20-70 Oe at room temperature 25 degrees C. Moreover, there is a linear relationship between the wavelength shift and temperature in the range of 30 degrees C-80 degrees C, and a sensitivity of -0.587 nm/degrees C has been achieved. Based on these experiments, we provided a sensitivity matrix to correct the errors caused by temperature in order to measure magnetic field more accurately.

引用

页码：4853 / 4856

页数：4

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