Sensitivity-enhanced Sagnac interferometer temperature sensor based on Vernier effect with the help of Fabry-Perot interferometer

被引：0
作者：
Yang, Yuqiang [1 ]
Ge, Wei [1 ]
Jiang, Jiuxing [1 ]
Li, Linjun [2 ]
机构：
[1] Harbin Univ Sci & Technol, Inst Photon & Opt Fiber Technol, Harbin 150080, Heilongjiang, Peoples R China
[2] Heilongjiang Inst Technol, Inst Optoelect Technol, Harbin 150050, Heilongjiang, Peoples R China
来源：
2017 16TH INTERNATIONAL CONFERENCE ON OPTICAL COMMUNICATIONS & NETWORKS (ICOCN 2017) | 2017年
基金：
黑龙江省自然科学基金; 中国博士后科学基金;
关键词：
Temperature sensor; Fiber Sagnac interferometer; Fabry-Perot interferometer; Vernier effect; PHOTONIC CRYSTAL FIBER; LOOP MIRROR;
D O I：
暂无
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 sensitivity-enhanced temperature sensor based on Vernier-effect was demonstrated. Vernier-effect is achieved by a cascaded configuration with a fiber Sagnac interferometer (FSI) and a Fabry-Perot interferometer (FPI). FSI, which consists of a certain length of polarization maintaining fiber, is for temperature sensing, while. FPI acts as a filter due the temperature insensitivity. Experimental results show that the temperature sensor has a high sensitivity of -29 nm/degrees C and the enhancement factor is about 10.3.
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页数：2
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