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Magneto-optic Faraday effect current sensor based on thin cobalt films

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IIT-00-055A.pdf (324.4Kb)
Date
01/02/2000
Author
Robles Muñoz, Guillermo
Giannetti, Romano
Estado
info:eu-repo/semantics/publishedVersion
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Abstract
 
 
Magneto-optic sensors allow to measure currents through high voltage lines with considerable advantages. We present a method based on thin cobalt films which will be eventually developed to design a current sensor. Two magneto-optics effects are considered in this paper, Faraday and Kerr effects. Measures have been taken in both cases to decide which may be more interesting in the design. We concluded that the Faraday effect gives a larger polarization angle rotation. Different electronics schemes are also studied to reach the most accurate and noiseless signal as possible.
 
URI
http://hdl.handle.net/11531/40672
Magneto-optic Faraday effect current sensor based on thin cobalt films
Tipo de Actividad
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Instituto de Investigación Tecnológica (IIT)
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Magnetooptic effects, Faraday effect, Magnetic sensors, Thin film sensors, Cobalt, Magnetic field measurement, Optical polarization, Coils, Magnetic materials, Optical materials
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