{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,14]],"date-time":"2026-02-14T02:04:23Z","timestamp":1771034663963,"version":"3.50.1"},"reference-count":14,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2010,8,30]],"date-time":"2010-08-30T00:00:00Z","timestamp":1283126400000},"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>This paper presents a light and compact optical fiber Bragg Grating sensor for DC and AC magnetic field measurements. The fiber is coated by a thick layer of a magnetostrictive composite consisting of particles of Terfenol-D dispersed in a polymeric matrix. Among the different compositions for the coating that were tested, the best magnetostrictive response was obtained using an epoxy resin as binder and a 30% volume fraction of Terfenol-D particles with sizes ranging from 212 to 300 \u00b5m. The effect of a compressive preload in the sensor was also investigated. The achieved resolution was 0.4 mT without a preload or 0.3 mT with a compressive pre-stress of 8.6 MPa. The sensor was tested at magnetic fields of up to 750 mT under static conditions. Dynamic measurements were conducted with a magnetic unbalanced four-pole rotor<\/jats:p>","DOI":"10.3390\/s100908119","type":"journal-article","created":{"date-parts":[[2010,8,30]],"date-time":"2010-08-30T10:45:18Z","timestamp":1283165118000},"page":"8119-8128","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":70,"title":["A Magnetostrictive Composite-Fiber Bragg Grating Sensor"],"prefix":"10.3390","volume":"10","author":[{"given":"Sully M. M.","family":"Quintero","sequence":"first","affiliation":[{"name":"Department of Mechanical Engineering, Pontifical Catholic University of Rio de Janeiro, Rua Marqu\u00eas de S\u00e3o Vicente 225, G\u00e1vea 22453-900, Rio de Janeiro, RJ, Brazil"}]},{"given":"Arthur M. B.","family":"Braga","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, Pontifical Catholic University of Rio de Janeiro, Rua Marqu\u00eas de S\u00e3o Vicente 225, G\u00e1vea 22453-900, Rio de Janeiro, RJ, Brazil"}]},{"given":"Hans I.","family":"Weber","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, Pontifical Catholic University of Rio de Janeiro, Rua Marqu\u00eas de S\u00e3o Vicente 225, G\u00e1vea 22453-900, Rio de Janeiro, RJ, Brazil"}]},{"given":"Antonio C.","family":"Bruno","sequence":"additional","affiliation":[{"name":"Department of Physics, Pontifical Catholic University of Rio de Janeiro, Rua Marqu\u00eas de S\u00e3o Vicente 225, G\u00e1vea 22453-900, Rio de Janeiro, RJ, Brazil"}]},{"given":"Jefferson F. D. F.","family":"Ara\u00fajo","sequence":"additional","affiliation":[{"name":"Department of Physics, Pontifical Catholic University of Rio de Janeiro, Rua Marqu\u00eas de S\u00e3o Vicente 225, G\u00e1vea 22453-900, Rio de Janeiro, RJ, Brazil"}]}],"member":"1968","published-online":{"date-parts":[[2010,8,30]]},"reference":[{"key":"ref_1","unstructured":"Lalonde, F (1992). Magnetic Field Measurement, Hydropower\u201992, Broch Lysne, Balkema."},{"key":"ref_2","first-page":"226","article-title":"Dynamic measurement and analysis of air-gap variations in large hydroelectric generators","volume":"9","author":"Talas","year":"1983","journal-title":"IEEE Trans. Power App. Syst"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"5656","DOI":"10.1063\/1.355627","article-title":"Magnetostriction, elastic moduli, and coupling factors of composite Terfenol-D","volume":"75","author":"Sandlund","year":"1994","journal-title":"J. Appl. 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IEEE"},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"228","DOI":"10.1109\/JSEN.2006.886905","article-title":"Fiber bragg grating and magnetic shape memory alloy: Novel high-sensitivity magnetic Sensor","volume":"7","author":"Ambrosino","year":"2007","journal-title":"Sensor. J. IEEE"},{"key":"ref_11","unstructured":"Liu, HL, Tam, HY, Lo, CY, and Or, SW A Novel High Frequency Magnetostrictive Composite-Fiber Bragg Grating Sensor. Anaheim, CA, USA."},{"key":"ref_12","doi-asserted-by":"crossref","unstructured":"Othonos, A, and Kalli, K (1999). Fiber Bragg Gratings: Fundamentals and Applications in Telecommunications and Sensing, Artech House.","DOI":"10.1007\/978-1-4757-6079-8_2"},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"137","DOI":"10.1177\/104538902761402530","article-title":"A general magneto-elastic model of Terfenol-D particle actuated composite materials","volume":"13","author":"Armstrong","year":"2002","journal-title":"J. Intell. Mater. Syst. Struct"},{"key":"ref_14","unstructured":"Goran, E (2000). Handbook of Giant Magnetostrictive Materials, Academic Press."}],"container-title":["Sensors"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/1424-8220\/10\/9\/8119\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T22:03:15Z","timestamp":1760220195000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/1424-8220\/10\/9\/8119"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2010,8,30]]},"references-count":14,"journal-issue":{"issue":"9","published-online":{"date-parts":[[2010,9]]}},"alternative-id":["s100908119"],"URL":"https:\/\/doi.org\/10.3390\/s100908119","relation":{},"ISSN":["1424-8220"],"issn-type":[{"value":"1424-8220","type":"electronic"}],"subject":[],"published":{"date-parts":[[2010,8,30]]}}}