title: Design and development of a low-cost optical current sensor.
abstract: In this paper we demonstrate the design of a low-cost optical current sensor. The sensor principle is the Faraday rotation of a light beam through a magneto-optical material, SF2, when a magnetic field is present. The prototype has a high sensitivity and a high linearity for currents ranging from 0 up to 800 A. The error of the optical fibre sensor is smaller than 1% for electric currents over 175 A.
authors.affiliation: Department of Communications Engineering, ETSI de Bilbao, University of the Basque Country (UPV/EHU), Alameda de Urquijo s/n, Bilbao 48013, Spain. joseba.zubia@ehu.es.
authors.forename: Joseba
authors.initials: J
authors.lastname: Zubia
authors.forename: Luciano
authors.initials: L
authors.lastname: Casado
authors.forename: Gotzon
authors.initials: G
authors.lastname: Aldabaldetreku
authors.forename: Alfonso
authors.initials: A
authors.lastname: Montero
authors.forename: Eneko
authors.initials: E
authors.lastname: Zubia
authors.forename: Gaizka
authors.initials: G
authors.lastname: Durana
mesh_terms: D003217:Conductometry / Q000295:instrumentation*; D004867:Equipment Design; D019544:Equipment Failure Analysis; D055096:Optical Devices; D014159:Transducers