Electronics Letters · 1991 · 13 citations · 0 references
EngineeringElectrical EngineeringPhysicsOpticsPhotonicsSensorsElectro-optic EffectsElectromagnetic WavesFiber OpticsOptical FibersOptical SensingOptical SensorsCurrent SensingFaraday EffectFiber SensorsFiber-optic SensingFiber-optic SensorsMagnetic Field DependenceMode CouplingOptical Fiber Sensors
A new class of optical-fibre current sensor which uses periodic Faraday coupling in a highly birefringent optical fibre is described. The coupling was found to be strongly dependent upon the periodic field spacing, the wavelength of the light used and the applied magnetic field.