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Type: Artigo de evento
Title: Magnetic Field Sensor With Terfenol-d Thin-film Coated Fbg
Author: Silva R.M.
Chesini G.
Gouveia C.J.
Lobo Ribeiro A.B.
Frazao O.
Cordeiro C.M.B.
Jorge P.A.S.
Abstract: In this work a magnetic field sensor based on an FBG coated with a thin film of Terfenol-D is presented. The sensor was tested with two optical interrogation systems: one, a scanning laser system with a 1 pm resolution, and the other a differential white light interferometer (WLI). The results obtained in the magnetic field range of 20 mT to 100 mT, show the possibility of increasing the magnetic field measurement resolution, with temperature fluctuations invariance, by a factor of 4.5 when using the WLI system. © 2012 SPIE.
Rights: aberto
Identifier DOI: 10.1117/12.975169
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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