{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T02:52:48Z","timestamp":1778727168116,"version":"3.51.4"},"reference-count":31,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2013,10,10]],"date-time":"2013-10-10T00:00:00Z","timestamp":1381363200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>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.<\/jats:p>","DOI":"10.3390\/s131013584","type":"journal-article","created":{"date-parts":[[2013,10,10]],"date-time":"2013-10-10T14:11:12Z","timestamp":1381414272000},"page":"13584-13595","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":56,"title":["Design and Development of a Low-Cost Optical Current Sensor"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9137-1733","authenticated-orcid":false,"given":"Joseba","family":"Zubia","sequence":"first","affiliation":[{"name":"Department of Communications Engineering, ETSI de Bilbao,  University of the Basque Country (UPV\/EHU), Alameda de Urquijo s\/n, Bilbao 48013, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luciano","family":"Casado","sequence":"additional","affiliation":[{"name":"Smart Grid, Derio Bidea 28, Zabalondo Industrialdea, Mungia 48100,   Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gotzon","family":"Aldabaldetreku","sequence":"additional","affiliation":[{"name":"Department of Communications Engineering, ETSI de Bilbao,  University of the Basque Country (UPV\/EHU), Alameda de Urquijo s\/n, Bilbao 48013, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alfonso","family":"Montero","sequence":"additional","affiliation":[{"name":"Smart Grid, Derio Bidea 28, Zabalondo Industrialdea, Mungia 48100,   Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eneko","family":"Zubia","sequence":"additional","affiliation":[{"name":"Smart Grid, Derio Bidea 28, Zabalondo Industrialdea, Mungia 48100,   Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gaizka","family":"Durana","sequence":"additional","affiliation":[{"name":"Department of Communications Engineering, ETSI de Bilbao,  University of the Basque Country (UPV\/EHU), Alameda de Urquijo s\/n, Bilbao 48013, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2013,10,10]]},"reference":[{"key":"ref_1","unstructured":"COSI-CTF3Flexible Optical Current Transformer. 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