In-line Sagnac interferometer current sensor

The authors demonstrate for the first time a near shot noise limited in-line Sagnac interferometer current sensor. It is shown to have a number of advantages over the optical current sensors based on polarimetric Faraday and Faraday/Sagnac loop interferometer topologies, including lower sensitivity...

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Veröffentlicht in:IEEE Transactions on Power Delivery 1996-01, Vol.11 (1), p.116-121
Hauptverfasser: Blake, J., Tantaswadi, P., de Carvalho, R.T.
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container_title IEEE Transactions on Power Delivery
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creator Blake, J.
Tantaswadi, P.
de Carvalho, R.T.
description The authors demonstrate for the first time a near shot noise limited in-line Sagnac interferometer current sensor. It is shown to have a number of advantages over the optical current sensors based on polarimetric Faraday and Faraday/Sagnac loop interferometer topologies, including lower sensitivity to environmental disturbances, less demanding optical components, and easy installation. Its application to power system measurements is also detailed.
doi_str_mv 10.1109/61.484007
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Electrical power engineering</subject><subject>Exact sciences and technology</subject><subject>Faraday effect</subject><subject>INSTRUMENTATION, INCLUDING NUCLEAR AND PARTICLE DETECTORS</subject><subject>INTERFEROMETRY</subject><subject>Magnetic sensors</subject><subject>MEASURING METHODS</subject><subject>Optical fiber polarization</subject><subject>Optical interferometry</subject><subject>Optical noise</subject><subject>Optical sensors</subject><subject>POWER SYSTEMS</subject><subject>POWER TRANSMISSION AND DISTRIBUTION</subject><subject>Sagnac interferometers</subject><subject>Testing. Reliability. 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subjects AMMETERS
Applied sciences
Birefringence
ELECTRIC CURRENTS
Electrical engineering. Electrical power engineering
Exact sciences and technology
Faraday effect
INSTRUMENTATION, INCLUDING NUCLEAR AND PARTICLE DETECTORS
INTERFEROMETRY
Magnetic sensors
MEASURING METHODS
Optical fiber polarization
Optical interferometry
Optical noise
Optical sensors
POWER SYSTEMS
POWER TRANSMISSION AND DISTRIBUTION
Sagnac interferometers
Testing. Reliability. Quality control
Topology
Wire
title In-line Sagnac interferometer current sensor
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