Magnetic Sensing with Ferrofluid and Fiber Optic Connectors

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dc.contributor.authorHoma, Daniel S.en
dc.contributor.authorPickrell, Gary R.en
dc.contributor.departmentMaterials Science and Engineering (MSE)en
dc.date.accessioned2017-03-07T15:36:09Zen
dc.date.available2017-03-07T15:36:09Zen
dc.date.issued2014-02-25en
dc.description.abstractA simple, cost effective and sensitive fiber optic magnetic sensor fabricated with ferrofluid and commercially available fiber optic components is described in this paper. The system uses a ferrofluid infiltrated extrinsic Fabry-Perot interferometer (EFPI) interrogated with an infrared wavelength spectrometer to measure magnetic flux density. The entire sensing system was developed with commercially available components so it can be easily and economically reproduced in large quantities. The device was tested with two different ferrofluid types over a range of magnetic flux densities to verify performance. The sensors readily detected magnetic flux densities in the range of 0.5 mT to 12.0 mT with measurement sensitivities in the range of 0.3 to 2.3 nm/mT depending on ferrofluid type. Assuming a conservative wavelength resolution of 0.1 nm for state of the art EFPI detection abilities, the estimated achievable measurement resolution is on the order 0.04 mT. The inherent small size and basic structure complimented with the fabrication ease make it well-suited for a wide array of research, industrial, educational and military applications.en
dc.description.versionPublished versionen
dc.format.extent3891 - 3896 (6) page(s)en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationHoma, D.; Pickrell, G. Magnetic Sensing with Ferrofluid and Fiber Optic Connectors. Sensors 2014, 14, 3891-3896.en
dc.identifier.doihttps://doi.org/10.3390/s140303891en
dc.identifier.issn1424-8220en
dc.identifier.issue3en
dc.identifier.orcidPickrell, G [0000-0003-1782-9010]en
dc.identifier.urihttp://hdl.handle.net/10919/75295en
dc.identifier.urlhttp://www.mdpi.com/1424-8220/14/3/3891en
dc.identifier.volume14en
dc.languageEnglishen
dc.publisherMDPIen
dc.relation.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000336783300005&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=930d57c9ac61a043676db62af60056c1en
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectTechnologyen
dc.subjectChemistry, Analyticalen
dc.subjectElectrochemistryen
dc.subjectInstruments & Instrumentationen
dc.subjectChemistryen
dc.subjectoptical fiberen
dc.subjectfiber optic sensoren
dc.subjectmagnetic sensoren
dc.subjectmagnetic fluidsen
dc.subjectferrofluiden
dc.subjectnanotechnologyen
dc.subjectelectrical field sensoren
dc.subjectFLUIDen
dc.subjectSENSORSen
dc.titleMagnetic Sensing with Ferrofluid and Fiber Optic Connectorsen
dc.title.serialSensorsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
pubs.organisational-group/Virginia Techen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Engineeringen
pubs.organisational-group/Virginia Tech/Engineering/COE T&R Facultyen
pubs.organisational-group/Virginia Tech/Engineering/Materials Science and Engineeringen

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