Computational Modeling of Magnetic Field Optical Fiber Sensor Considering Temperature Effects

Due to the vast area of application and reliability, fiber optic magnetic field sensors have been subject several studies, however, some these areas are submitted temperature variations, which can hinder in monitoring field. With this panorama, work analyzes through computational modeling a optical sensor, using magneto-optical Faraday effect observing effects sensor response. For modeling, numerical model built COMSOL Multiphysics is used. The results show value for cross-sensitivity 3.27 mT/°C non-optimized configuration 2.47 an optimized configuration. A methodology optimizing operate certain range, 55 75 °C, also discussed. presented that important factor be considered improve selectivity obtain correct sensitivity sensor.