Nonreciprocity in single-mode fiber coil induced by orthogonal magnetic field

被引：14

作者：

Zhang, Dengwei ^{[1
]}

Wang, Zhifei ^{[1
]}

Chen, Lei ^{[1
]}

Zhou, Xin ^{[1
]}

Shu, Xiaowu ^{[1
]}

Liu, Cheng ^{[1
]}

机构：

[1] Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Zhejiang, Peoples R China

来源：

JOURNAL OF OPTICS | 2013年 / 15卷 / 05期

基金：

中国国家自然科学基金;

关键词：

orthogonal magnetic field (OMF); single-mode fiber coil (SMFC); nonreciprocal phase error (NPE); bent fiber; magnetic drift; PHASE-SHIFT; DRIFT;

D O I：

10.1088/2040-8978/15/5/055706

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigated the nonreciprocity induced by an orthogonal magnetic field (OMF) in a single-mode fiber coil and expressions for the propagation constant of light waves in the bent fiber are deduced. Coils with different radiuses are put into depolarized interferometric fiber optic gyroscopes (D-IFOGs) for experimental verification. Theories, simulations and experimental results show that the OMF induced nonreciprocal phase error is closely related to the bending radius and the generated magnetic drift in D-IFOGs is linear to the amplitude of the OMF.

引用

页数：6

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