Optical fiber twist sensor with two orthogonally oriented mechanically induced long-period grating sections

被引：32

作者：

Cho, JY ^{[1
]}

Lim, JH ^{[1
]}

Lee, KS ^{[1
]}

机构：

[1] Sungkyunkwan Univ, Dept Chem, Sch Informat & Commun Engn, Suwon 440746, South Korea

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2005年 / 17卷 / 02期

关键词：

birefringence; fiber gratings; optical; fiber sensors; optical fiber twist sensors; polarization rotation sensors;

D O I：

10.1109/LPT.2004.840073

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：

We propose and demonstrate, for the first time, an optical fiber twist sensor consisting of two mechanically induced long-period grating sections, whose birefringent axes are mutually orthogonal. The twist sensor, whose temperature stability is supposedly high and sensitivity is tunable by pressure, is based on the change in the loss peak separation due to the twist-induced polarization rotation.

引用

页码：453 / 455

页数：3

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