A novel special optical fiber with magneto-optic nonreciprocal phase shift under transversely applied magnetic field

被引：1
|
作者：
Liang, Cui [1 ]
Zhang, Dengwei [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：
OPTIK | 2019年 / 179卷
基金：
中国国家自然科学基金;
关键词：
Special optical fiber; Nonreciprocal phase shift; Ultra-low magnetic field detection;
D O I：
10.1016/j.ijleo.2018.10.189
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel special optical fiber, which is very sensitive to magnetic field, is proposed. The two beam lights counter-propagating in this kind of fiber can generate large nonreciprocal phase shift. It can be used in ultra-low magnetic field detection. In this paper, the related theory is derived in detail. The influence of fiber parameters on the effect is simulated and analyzed. It is proved that a magnetic field sensor with pTesla-level precision could be demonstrated with this kind of special fiber in this paper.
引用
收藏
页码：641 / 645
页数：5
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