Fiber torsion sensor based on a twist taper in polarization-maintaining fiber

被引：59
|
作者：
Zhou, Quan [1 ]
Zhang, Weigang [1 ]
Chen, Lei [1 ]
Yan, Tieyi [1 ]
Zhang, Liyu [1 ]
Wang, Li [1 ]
Wang, Biao [1 ]
机构：
[1] Nankai Univ, Inst Modern Opt, Minist Educ, Key Lab Opt Informat Sci & Technol, Tianjin 300071, Peoples R China
来源：
OPTICS EXPRESS | 2015年 / 23卷 / 18期
关键词：
PHOTONIC-CRYSTAL-FIBER; SENSITIVITY;
D O I：
10.1364/OE.23.023877
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel optical fiber torsion sensor head is proposed. A section of polarization-maintaining fiber (PMF) is spliced between single mode fiber (SMF), and a twist taper is fabricated by a commercial electric-arc fusion splicer in the middle of the PMF. The asymmetric characteristics are obtained by the twist taper so that a fiber torsion sensor with directional discrimination is fabricated. Due to the characteristics of the asymmetric structure, the torsion sensitivity for the twist rate from 0 rad/m to -8 rad/m reaches 2.392 nm/rad.m(-1), and for the twist rate from 0 rad/m to 8 rad/m reaches 1.071 nm/rad.m(-1) respectively. (C) 2015 Optical Society of America
引用
收藏
页码：23877 / 23886
页数：10
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