Coupling Effect of a Single-Mode Fiber Coil Under Time-Varying Temperature and Magnetic Field

被引：9
|
作者：
Liang, Cui [1 ]
Zhang, Dengwei [1 ]
Zhou, Yilan [1 ]
Shu, Xiaowu [1 ]
Che, Shuangliang [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 LIGHTWAVE TECHNOLOGY | 2019年 / 37卷 / 13期
基金：
中国国家自然科学基金;
关键词：
Coupling effect; magnetic field; single-mode fiber coil; time-varying temperature; OPTICAL GYROSCOPE; DRIFT; ERROR;
D O I：
10.1109/JLT.2019.2912813
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：
A coupling effect in the single-mode fiber coil (SMFC) of a depolarized interference fiber optic gyroscope (De-IFOG) under time-varying temperature and magnetic field, which can cause a serious nonreciprocal phase error, is revealed. In this paper, the mechanism of the coupling effect is thoroughly studied and the related theory is derived in detail. Simulations and experiments are carried out to verify the validity. The experiments show a peak-to-peak value error of about 50 degrees/h in the SMFC when the magnitude of magnetic field is 10 Gauss and the temperature uniformly increases from 10 to 60 degrees C at the rate of 36 degrees C/h, which cannot be neglected in the applications of De-IFOGs.
引用
收藏
页码：3208 / 3213
页数：6
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