Phase drift compensation for electric current sensor employing a twisted fiber or a spun highly birefringent fiber

被引：10
|
作者：
Dong, XP [1 ]
Chu, BCB
Kong, KH
Chiang, KS
机构：
[1] Xiamen Univ, Dept Elect Engn, Xiamen, Peoples R China
[2] City Univ Hong Kong, Optoelect Res Ctr, Kowloon, Hong Kong, Peoples R China
[3] City Univ Hong Kong, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
来源：
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2000年 / 6卷 / 05期
关键词：
circular birefringent fiber; Faraday effect; optical current sensor;
D O I：
10.1109/2944.892621
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：
We propose a simple, passive signal-processing scheme to compensate for arbitrary phase shift in a Faraday-effect current sensor employing a twisted fiber or a spun highly birefringent fiber. The scheme is based on processing the ac and de components of the received signals with four detectors in a complementary manner to derive a stable signal that depends only on the Faraday rotation. The effectiveness of the scheme has been demonstrated with an experimental sensor for both twisted and spun highly birefringent fibers.
引用
收藏
页码：803 / 809
页数：7
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