novel fiber Bragg grating wavelength demodulation system based on F-P etalon

被引：3
|
作者：
Yang, Gang [1 ,2 ]
Guo, Jinghong [1 ]
Xu, Guoliang [2 ]
Lv, Lidong [1 ]
Tu, Guojie [2 ]
Xia, Lan [2 ]
机构：
[1] China Elect Power Res Inst, Beijing, Peoples R China
[2] Nanjing Univ, Inst Opt Commun Engn, Nanjing 210093, Jiangsu, Peoples R China
来源：
OPTOELECTRONIC DEVICES AND INTEGRATION V | 2014年 / 9270卷
关键词：
fiber optics; fiber Bragg grating sensor system; tunable Fabry-Perot filter; F-P etalon; spectrum segmentation demodulation; STRAIN SENSOR;
D O I：
10.1117/12.2071859
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：
This paper designs and implies a high precision FBG demodulation system which based on F-P etalon. In order to reduce the influence of the temperature drift effect, the peristaltic effect, and the nonlinear effect of F-P filter in traditional tunable filter method, F-P etalon is added as dynamical calibration and wavelength reference. Meanwhile segmentation demodulation which uses ASE spectral characteristics is applied to achieve high accuracy of the center wavelength of FBG. The experiment shows that the stability, resolution are 0.65pm, 0.23pm, respectively.
引用
收藏
页数：7
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