Magnetic-Fluid-Coated Photonic Crystal Fiber and FBG for Magnetic Field and Temperature Sensing

被引：36
作者：
Chen, Yaofei [1 ,2 ,3 ]
Han, Qun [1 ,2 ]
Yan, Wenchuan [1 ,2 ]
Yao, Yunzhi [1 ,2 ]
Liu, Tiegen [1 ,2 ]
机构：
[1] Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China
[2] Tianjin Univ, Minist Educ, Key Lab Optoelect Informat Technol, Tianjin 300072, Peoples R China
[3] Columbia Univ, Dept Mech Engn, New York, NY 10027 USA
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2016年 / 28卷 / 23期
基金：
中国国家自然科学基金;
关键词：
Optical fiber sensors; fiber Bragg grating; photonic crystal fiber; temperature; magnetic field; magnetic fluid; SENSOR; INTERFEROMETER;
D O I：
10.1109/LPT.2016.2615057
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 novel optical fiber sensor for simultaneous measurement of magnetic field and temperature is proposed and demonstrated. The sensor consists of a cascaded photonic crystal fiber (PCF) interferometer and fiber Bragg grating (FBG). The interferometer and the FBG are sealed in a capillary tube filled with magnetic fluid. The transmission spectrum of the sensor contains both the information of the interferometer and the FBG. The FBG is only sensitive to the temperature but the PCF interferometer is also sensitive to the magnetic field, which in turn can be used for the simultaneous measurement of magnetic field and temperature. A sensor was fabricated and investigated experimentally.
引用
收藏
页码：2665 / 2668
页数：4
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