Highly Sensitive Temperature Fiber Sensor Based on Mach-Zehnder Interferometer

被引：7
|
作者：
Hsu, Jui-Ming [1 ]
Chen, Jian-Zhi [1 ]
Zheng, Wen-Hao [1 ]
机构：
[1] Natl United Univ, Dept Electroopt Engn, 2 Lienda, Miaoli 36063, Taiwan
来源：
FIBER AND INTEGRATED OPTICS | 2016年 / 35卷 / 5-6期
关键词：
Fiber taper; Mach-Zehnder interferometer; optical fiber sensor; temperature sensor; PHOTONIC CRYSTAL FIBER; FABRY-PEROT INTERFEROMETERS; MICHELSON INTERFEROMETER; REFRACTIVE-INDEX;
D O I：
10.1080/01468030.2016.1214992
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose a highly sensitive temperature fiber sensor based on a Mach-Zehnder Interferometer (MZI). The MZI is composed of a piece of no-core fiber (NCF), a single-mode fiber (SMF), and a fiber taper (FT) structure. To accomplish high sensitivity, the component was immersed in a material with high thermo-optic coefficient (TOC). The experimental results showed that a high temperature sensitivity of 1.56 nm/degrees C was achieved for surrounding material with a refractive index (RI) of 1.45. The presented sensor has numerous advantages, for instance, extremely high sensitivity, easy fabrication, simple structure, compact size, and in-line applications.
引用
收藏
页码：230 / 238
页数：9
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