The 9th International Symposium on ADVANCED TOPICS IN ELECTRICAL ENGINEERING 2015

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Design of a Current Sensor based on Optical Fibers

This paper present the design of a current sensor based
on Faraday effect using optical fibers devices and a polarizing
beam splitter (PBS). Two different schematics are to be taken
into account, for high currents and for smaller ones. A single
polarized laser signal is sent to the PBS prism and two angular
components are separated. From here, these optical signals are
processed using some interfaces, a NI-DAQ acquisition board
and a LabVIEW interface. After calculations, the unknown
current is obtained function of the reflexion angle between the
two light components.

Author(s):

Marcel Stanciu    
University Politehnica of Bucharest
Romania

Octavian Mihai Ghita    
University Politehnica of Bucharest
Romania

Adela Vintea    
University Politehnica of Bucharest
Romania

Sabina Potlog    
University Politehnica of Bucharest
Romania

 

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