Special optical fiber for temperature sensing based on cladding-mode resonance

被引：40
|
作者：
Pang, Fufei [1 ]
Xiang, Wenchao
Guo, Hairun
Chen, Na
Zeng, Xianglong
Chen, Zhenyi
Wang, Tingyun
机构：
[1] Shanghai Univ, Key Lab Specialty Fiber Opt, Shanghai 200072, Peoples R China
来源：
OPTICS EXPRESS | 2008年 / 16卷 / 17期
关键词：
D O I：
10.1364/OE.16.012967
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A fiber-optic temperature sensor by using a multi-cladding special fiber is presented. It works on the basis of leaky mode resonance from fiber core to outer cladding. With the thin-thickness inner cladding, the cladding mode is strongly excited and the resonant spectrum is very sensitive to the refractive index variation of coating material. By coating the special fiber with temperature-sensitive silicone, the temperature response was investigated experimentally from -20 degrees C to 80 degrees C. The results show high temperature sensitivity (240pm/degrees C at 20 degrees C) and good repeatability. (C) 2008 Optical Society of America.
引用
收藏
页码：12967 / 12972
页数：6
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