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

页码：23877 / 23886

页数：10

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