Fiber-optic temperature sensor based on a thinner no-core fiber

被引：18
作者：
Ma, Lin [1 ]
Kang, Zexin [1 ]
Qi, Yanhui [1 ]
Jian, Shuisheng [1 ]
机构：
[1] Beijing Jiaotong Univ, Inst Lightwave Technol, Key Lab All Opt Network & Adv Telecommun Network, Minist Educ, Beijing 100044, Peoples R China
来源：
OPTIK | 2015年 / 126卷 / 9-10期
关键词：
Fiber temperature sensor; No-core fiber; MMI; Filter; MULTIMODE INTERFERENCE DEVICES;
D O I：
10.1016/j.ijleo.2015.02.084
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simple configuration of fiber-optic temperature sensor based on multimode interference (MM!) effect has been proposed and demonstrated. The MMI structure sensor is based on a thinner no-core fiber and is fabricated by using a multimode fiber without cladding, also known as no-core fiber. In the experiment, the peak wavelength response of the sensor exhibits an excellent linear response within the measured temperature intervals. It is found that the peak wavelength shifts responding to temperature change is about 38.7 pm/degrees C, much bigger than the temperature sensors based on fiber Bragg grating in traditional multimode fibers, whose wavelength shift is about 11.5 pm/degrees C. (C) 2015 Elsevier GmbH. All rights reserved.
引用
收藏
页码：1044 / 1046
页数：3
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