High sensitivity temperature sensor based on a side-hole fiber

被引：7
|
作者：
Yu, Zhenyu [1 ]
Lang, Tingting [1 ]
Hu, Jie [2 ]
Chen, Mengdan [1 ]
Ding, Kaige [1 ]
Shao, Li-Yang [2 ]
机构：
[1] China Jiliang Univ, Inst Optoelect Technol, Hangzhou 310018, Peoples R China
[2] Southern Univ Sci & Technol, Dept Elect & Elect Engn, Shenzhen 518055, Peoples R China
来源：
APPLIED OPTICS | 2021年 / 60卷 / 12期
基金：
中国国家自然科学基金;
关键词：
FABRY-PEROT-INTERFEROMETER; REFRACTIVE-INDEX; CORE FIBER;
D O I：
10.1364/AO.418225
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper proposes a temperature sensor based on a side-hole fiber (SHF). The sensor is formed by single-mode fiber (SMF)-coreless fiber (CLF)-SHF-CLF-SMF fusion splicing. The SHF adopts the dislocation fusion splicing method to ensure that one air hole is exposed. Two different interferences form a superposition, making the response more sensitive. The experiment shows that the sensitivity during heating and cooling is 1.587 nm/degrees C and 1.681 nm/degrees C, respectively, in the temperature range of 25-45 degrees C. The sensor has high temperature sensitivity, exhibits easy processing, is smaller in size, and has important research value for temperature monitoring in daily life and industrial production. (C) 2021 Optical Society of America
引用
收藏
页码：3474 / 3481
页数：8
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