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[7s, 2012] 

Journal of Electrical Engineering, Vol 63, 7s (2012) 23-26

FIBER OPTIC SENSOR FOR THE SPACE DISTRIBUTION MEASUREMENT OF MAGNETIC FIELD

Jozef Jasenek - Branislav Korenko - Jožka Červeňová

   The description of the model of single-mode optical fiber with nonreciprocal birefringence caused by presence of magnetic field is presented and analyzed. The model is applied to the measurement of the magnetic field distribution along the sensing si ngle-mode optical fiber. Sensor is based on the utilisation of the polarization optical reflectometry for the mesurement of Stokes polarization parameters distribution along the fiber and the results of that measurements are futher transformed into the local birefrineg nce parametrs of the fiber and finally it allows to calculate the sought magnetic induction distribution.

Keywords: Fully distributed optical fiber sensors, Rayleigh back-scattering, Polarization Optical Fiber Relectometry, Faraday effect, Magnetic induction


[full-paper]


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