Twist sensor based on Sagnac single-mode optic fiber interferometer

被引：15
|
作者：
Liang, Houhui [1 ]
Sun, Mingming [1 ]
Jin, Yongxing [1 ]
机构：
[1] China Jiliang Univ, Inst Optoelect Technol, Hangzhou 310018, Zhejiang, Peoples R China
来源：
OPTIK | 2013年 / 124卷 / 24期
关键词：
Sagnac interferometer; Stress-induced birefringence; Optical fiber twist sensor; PHOTONIC-CRYSTAL-FIBER; LOOP MIRROR; BIREFRINGENCE; SENSITIVITY;
D O I：
10.1016/j.ijleo.2013.05.105
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An optical fiber twist sensor based on Sagnac single-mode optic fiber interferometer is proposed. The stress-induced birefringence of single-mode optical fiber is obtained by applying a transverse force against a short length of singlemode fiber. A high sensitivity and resolution of the twist angle measurement of 0.19 nm/degrees and 0.002 degrees is achieved experimentally, respectively. The proposed sensor is more convenient and simple than that of standard polarization-maintaining fibers. (C) 2013 Elsevier GmbH. All rights reserved.
引用
收藏
页码：6676 / 6678
页数：3
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