A Compact and Stable Temperature Sensor Based on a Gourd-Shaped Microfiber

被引：16
|
作者：
Xian, Pei [1 ]
Feng, Guoying [1 ]
Zhou, Shouhuan [1 ,2 ]
机构：
[1] Sichuan Univ, Coll Elect & Informat Engn, Inst Laser & Micro Nano Engn, Chengdu 610065, Peoples R China
[2] North China Res Inst Electroopt, Beijing 100015, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2016年 / 28卷 / 01期
基金：
中国国家自然科学基金; 国家自然科学基金重大项目;
关键词：
Optical fiber sensors; microsensors; temperature sensors; REFRACTIVE-INDEX; HIGH-SENSITIVITY; GRATING SENSORS; CORE FIBER; INTERFEROMETER;
D O I：
10.1109/LPT.2015.2487281
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 compact and stable temperature sensor based on a gourd-shaped microfiber is fabricated and experimentally demonstrated. Claddings of the two microspheric structured fibers, which constitute the gourd shape, are spliced together but their cores are not. The transmission spectrum of the sensor features interference fringe due to the cavity formed inside the gourd-shaped microfiber. Increasing temperatures results in a significant red shift of fringe dip wavelength with a slope of similar to 17.15 pm/degrees C. Linear and parabolic fitting are both done to the measurements, enabling temperature measurements with high sensitivity and accuracy. The high stability and reliability of the sensor are corroborated keeping at different temperatures.
引用
收藏
页码：95 / 98
页数：4
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