Fiber Bragg grating temperature sensor with enhanced sensitivity

被引：1

作者：

Zhan, Y ^{[1
]}

Cai, HW ^{[1
]}

Kan, G ^{[1
]}

Qu, RH ^{[1
]}

Xiang, SQ ^{[1
]}

Fang, ZJ ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China

来源：

APOC 2003: ASIA-PACIFIC OPTICAL AND WIRELESS COMMUNICATIONS; OPTICAL FIBERS AND PASSIVE COMPONENTS | 2003年 / 5279卷

关键词：

fiber Bragg grating; temperature sensor; sensitivity;

D O I：

10.1117/12.521665

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, a novel fiber Bragg grating (FBG) temperature sensor system with low cost demodulation mechanism was proposed. The broadband light source was demodulated by a long period fiber grating (LPG) with an appropriate attenuation band. The sensing FBG was encapsulated with aluminum groove to make the FBG have a higher thermal expansion coefficient. The sensor with enhanced sensitivity 0.02degreesC was realized.

引用

页码：661 / 667

页数：7

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