Sensitivity improvement of an optical current sensor with enhanced Faraday rotation

A sensitivity improvement technique is proposed for a class of bulk-glass optical current sensors that employ a ferromagnetic field concentrator. The total effective optical path length is demonstrated theoretically to be an invariant regardless of the bulk glass thickness and consequently independe...

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Veröffentlicht in:	Journal of lightwave technology 1997-12, Vol.15 (12), p.2246-2252
Hauptverfasser:	Gongde Li, Kong, M.G., Jones, G.R., Spencer, J.W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical models Current Equivalent circuits Exact sciences and technology Finite element methods General equipment and techniques Glass Instruments, apparatus, components and techniques common to several branches of physics and astronomy Magnetic analysis Magnetic fields Magnetic sensors Optical devices Optical sensors Physics Sensors (chemical, optical, electrical, movement, gas, etc.) remote sensing
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