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IEICE TRANSACTIONS on Electronics

Polarimetric Current Sensor Using an In-Line Faraday Rotator

Fabien BRIFFOD, Luc THEVENAZ, Pierre-Alain NICATI, Alain KUNG, Philippe A. ROBERT

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Summary :

A novel polarimetric fiber optics current sensor configuration using an in-line 22.5 degree Faraday rotator is proposed on this paper. The introduction of the 22.5 degree Faraday rotator allows to obtain a sensor configuration that does not require adjustment on most optical elements, resulting in an accuracy immune to manufacturing issues. Two prototypes are presented in this paper that are designed to measure AC current, yielding in an excellent accuracy over more than 3 decades.

Publication
IEICE TRANSACTIONS on Electronics Vol.E83-C No.3 pp.331-335
Publication Date
2000/03/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on Optical Fiber Sensors)
Category
Sensors for Electromagnetic Phenomena

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