Miniature Faraday current sensor based on multiple critical angle reflections in a bulk-optic ring.
作者信息
Ning Y N, Chu B C, Jackson D A
出版信息
Opt Lett. 1991 Dec 15;16(24):1996-8. doi: 10.1364/ol.16.001996.
PMID:19784207
Abstract
A novel optical element for a bulk glass current sensor that utilizes the Faraday effect is presented with a demonstrated sensitivity of 1 amp-turn and a flat frequency response in the range of 10-10(4) Hz. The new sensing element overcomes the problems associated with birefringence in optical fiber current sensors and the requirement to make bulk-optic current sensors in complex three-dimensional topologies.
摘要
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