Potential for Simultaneous Measurement of Magnetic Field and Temperature Utilizing Fiber Taper Modal Interferometer and Magnetic Fluid

被引：12
作者：
Li, Jie [1 ]
Fan, Pengcheng [1 ]
Tian, Zhuang [1 ]
Sun, Li-Peng [1 ]
Guan, Bai-Ou [1 ]
机构：
[1] Jinan Univ, Guangdong Prov Key Lab Opt Fiber Sensing & Commun, Inst Photon Technol, Guangzhou 510632, Guangdong, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2016年 / 8卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Magnetophotonics; fiber optics systems; sensors; micro-optics; PHOTONIC CRYSTAL FIBER; SENSOR; SENSITIVITY; FERROFLUID; MICROFIBER;
D O I：
10.1109/JPHOT.2016.2625804
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：
A single taper-based fiber modal interferometer with magnetic fluid integrated, which can have responses of dip wavelength and extinction ratio on the external magnetic field and temperature changes, is demonstrated. Within the magnetic field range from 50 to 100 Oe, the measured sensitivities are 88 pm/Oe and -0.1419 dB/Oe for dip wavelength and extinction ratio, respectively, and within the temperature range from 30 to 80 degrees C, the sensitivities are -282.67 pm/degrees C and -0.0528 dB/degrees C for dip wavelength and extinction ratio, respectively. A full analysis to the sensing mechanism is given and experimental results can verify the concepts of the device. The presented structure is featured with simplification, easy fabrication, and high sensitivity and should have potential applications in simultaneous magnetic field and temperature measurements.
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页数：10
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