An electric-current sensor employing twisted fibre with compensation for temperature and polarization fluctuations

被引:9
作者
Dong, XP [1 ]
Chu, BCB [1 ]
Chiang, KS [1 ]
机构
[1] CITY UNIV HONG KONG, DEPT ELECT ENGN, KOWLOON, HONG KONG
关键词
D O I
10.1088/0957-0233/8/6/004
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A sensor far alternating electric current measurement based on optical Faraday rotation with a specially designed twisted fibre is reported. A signal processing technique is demonstrated to stabilize the sensor output against temperature variations and polarization fluctuations in the fibre. The current sensitivity measured experimentally is 1.16 x 10(-6) rad A(-1), in good agreement with the theoretical value.
引用
收藏
页码:606 / 610
页数:5
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