A novel demodulation scheme for fiber Bragg grating sensor system

被引：11
|
作者：
Yu, YL [1 ]
Zhao, HX
机构：
[1] Heilongjiang Univ, Res Inst Fiber Opt, Harbin 150080, Peoples R China
[2] Jinan Univ, Coll Sci & Engn, Dept Phys, Guangzhou 510632, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2005年 / 17卷 / 01期
基金：
中国国家自然科学基金;
关键词：
compound interference; fiber Bragg grating (FBG); fiber optics sensor; interferometric demodulation;
D O I：
10.1109/LPT.2004.836907
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 novel fiber Bragg grating (FBG) wavelength demodulation scheme based on a compound interference configuration is introduced. This scheme measures the strain-induced wavelength-shift of the FBG in terms of phase-shift signal. The sensing resolution and sensitivity were demonstrated to be 6.2 nepsilon and 1.59degrees/muepsilon, respectively, which match the theoretical value of 1.61degrees/muepsilon very well.
引用
收藏
页码：166 / 168
页数：3
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