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Passive interferometric interrogation of a magnetic field sensor using an erbium doped fiber optic laser with magnetostrictive transducer

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Passive interferometric interrogation of a magnetic field sensor using an erbium doped fiber optic laser with magnetostrictive transducer

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dc.contributor.author	Nascimento, I. M.
dc.contributor.author	Baptista, M. J. M.
dc.contributor.author	Jorge, P. A. S.
dc.contributor.author	Cruz Muñoz, José Luis
dc.contributor.author	Andrés, Miguel V.
dc.date.accessioned	2022-03-24T12:27:35Z
dc.date.available	2022-03-24T12:27:35Z
dc.date.issued	2015
dc.identifier.citation	Nascimento, I. M. Baptista, M. J. M. Jorge, P. A. S. Cruz Muñoz, José Luis Andrés, Miguel V. 2015 Passive interferometric interrogation of a magnetic field sensor using an erbium doped fiber optic laser with magnetostrictive transducer Sensors and Actuators A-Physical 235 227 233
dc.identifier.uri	https://hdl.handle.net/10550/82028
dc.description.abstract	An erbium doped (Er3+) fiber optic laser is proposed for magnetic field measurement. A pair of FBGsglued onto a magnetostrictive material (Terfenol-D rod) modulates the laser wavelength operation whensubject to a static or a time dependent magnetic field. A passive interferometer is employed to measure thelaser wavelength changes due to the applied magnetic field. A data acquisition hardware and a LabVIEWsoftware measure three phase-shifted signals at the output coupler of the interferometer and processthem using two distinct demodulation algorithms. Results show that sensitivity to varying magneticfields can be tuned by introducing a biasing magnetic field. A maximum error of 0.79% was found, formagnetic fields higher than 2.26 mT-RMS.
dc.language.iso	eng
dc.relation.ispartof	Sensors and Actuators A-Physical, 2015, vol. 235, p. 227-233
dc.subject	Física
dc.title	Passive interferometric interrogation of a magnetic field sensor using an erbium doped fiber optic laser with magnetostrictive transducer
dc.type	journal article	es_ES
dc.date.updated	2022-03-24T12:27:36Z
dc.identifier.doi	10.1016/j.sna.2015.10.021
dc.identifier.idgrec	111014
dc.rights.accessRights	open access	es_ES