Counting wavelength demodulation of FBG sensor - 文章详情页

作者：

He, Shi-Ya (He, Shi-Ya.) | Guan, Zheng (Guan, Zheng.) | Hu, Shu-Yang (Hu, Shu-Yang.) | Yu, Yang (Yu, Yang.)

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摘要：

A　novel　counting　wavelength　demodulation　scheme　of　FBG　sensors　using　a　high　birefringent　fiber　(HBF)　loop　mirror　is　reported.　This　demodulator　has　simple　structure,　high　precision,　cheap　price　and　convenient　to　use.　The　resolution　of　the　loop　mirror　device　with　30　m　HBF　is　0.067　nm.　About　1550　nm　center　wavelength　of　FBG　and　40　nm　shift　range　of　its　reflecting　wavelength,　the　measuring　relative　error　is　only　±0.001.　This　wavelength　demodulation　device　has　significance　for　widespread　application　of　FBG　sensors.

关键词：

Fiber optic sensors Demodulation Mirrors Birefringence Fiber Bragg gratings Error analysis

作者机构：

[ 1 ] [He, Shi-Ya]College of Applied Sciences, Beijing University of Technology, Beijing 100022, China
[ 2 ] [Guan, Zheng]College of Applied Sciences, Beijing University of Technology, Beijing 100022, China
[ 3 ] [Hu, Shu-Yang]College of Applied Sciences, Beijing University of Technology, Beijing 100022, China
[ 4 ] [Yu, Yang]College of Applied Sciences, Beijing University of Technology, Beijing 100022, China

通讯作者信息：

电子邮件地址：

he100022@bjut.edu.cn

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