Liquid Refractive Index Sensor Based on a Polarization-Maintaining Fiber Loop Mirror

被引：14
|
作者：
Wang, Jianfeng [1 ]
Shen, Changyu [1 ]
Lu, Yanfang [1 ]
Chen, Debao [1 ]
Zhong, Chuan [1 ]
Chu, Jinlei [1 ]
Dong, Xinyong [1 ]
Chan, C. C. [2 ]
机构：
[1] China Jiliang Univ, Inst Optoelect Technol, Hangzhou 310018, Peoples R China
[2] Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 637457, Singapore
来源：
IEEE SENSORS JOURNAL | 2013年 / 13卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Chemical etching; fiber loop mirror; polarization maintaining fiber; refractive index sensor; BIREFRINGENCE;
D O I：
10.1109/JSEN.2012.2231409
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 liquid refractive index sensor based on a fiber loop mirror (FLM) combined with an etched polarization maintaining fiber (PMF) is proposed. As the etched section of the PMF is immersed in liquid with different refractive indices, the interference spectrum of the FLM presents high sensitivity to the surrounding-medium refractive index. High sensitivity of 25.29 nm/refractive index unit (RIU) and resolution of 7.91 x 10(-4) RIU are achieved for the proposed refractive index sensor. This sensor is also capable of simultaneous measurement of refractive index and temperature.
引用
收藏
页码：1721 / 1724
页数：4
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