Spatially-weighted two-mode optical fiber sensors

dc.contributor.assigneeCenter for Innovative Technologyen
dc.contributor.assigneeVirginia Polytechnic Institute and State Universityen
dc.contributor.assigneeVirginia Tech Intellectual Properties, Inc.en
dc.contributor.inventorMurphy, Kent A.en
dc.contributor.inventorClaus, Richard O.en
dc.contributor.inventorVengsarkar, Ashishen
dc.contributor.inventorFogg, Brian R.en
dc.contributor.inventorGunther, Michael F.en
dc.date.accessed2016-08-19en
dc.date.accessioned2016-08-24T17:55:35Zen
dc.date.available2016-08-24T17:55:35Zen
dc.date.filed1991-08-29en
dc.date.issued1993-06-29en
dc.description.abstractTapered two-mode optic fibers are used as sensors with sensitivity varying as a function of length. The optical fiber sensors act as vibrational-mode filters thereby performing initial signal processing of the sensor signal. The sensors are based on the differential propagation constant in a two-mode fiber that is directly dependent on the normalized frequency or V-number. Tapering the fiber changes the V-number and hence can change the sensitivity of the sensor along its length. By choosing an appropriate weighting function in the manufacture of the sensor, it is possible to implement vibrational-mode analysis, vibrational-mode filtering and other functions that are critical in control system applications.en
dc.format.mimetypeapplication/pdfen
dc.identifier.applicationnumber7751738en
dc.identifier.patentnumber5224182en
dc.identifier.urihttp://hdl.handle.net/10919/72801en
dc.identifier.urlhttp://pimg-fpiw.uspto.gov/fdd/82/241/052/0.pdfen
dc.language.isoen_USen
dc.publisherUnited States Patent and Trademark Officeen
dc.subject.cpcG01H9/004en
dc.subject.cpcG01B11/18en
dc.subject.cpcG01D5/35309en
dc.subject.cpcG01D5/3538en
dc.subject.uspc385/12en
dc.subject.uspcother385/43en
dc.subject.uspcother385/48en
dc.titleSpatially-weighted two-mode optical fiber sensorsen
dc.typePatenten
dc.type.dcmitypeTexten
dc.type.patenttypeutilityen

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