Analysis of ultrasonic frequency response of surface attached fiber Bragg grating

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dc.contributorVirginia Techen
dc.contributor.authorLi, Zhuoxuanen
dc.contributor.authorPei, Lien
dc.contributor.authorDong, Boen
dc.contributor.authorMa, Chengen
dc.contributor.authorWang, Anboen
dc.contributor.departmentElectrical and Computer Engineeringen
dc.date.accessed2014-02-06en
dc.date.accessioned2014-03-14T15:04:25Zen
dc.date.available2014-03-14T15:04:25Zen
dc.date.issued2012-07-01en
dc.description.abstractIn recent years, fiber Bragg grating (FBG), for the well-known advantages over other fiber optic sensors, has attracted more attention in ultrasonic inspection for structure health monitoring (SHM). Spectrum shift of FBG to ultrasonic wave is caused by the refractive index profile changing along the FBG, which can be attributed to nonuniform perturbation caused by strain-optic and geometric effects of ultrasonic wave. Response of FBG to the above two effects was analyzed firstly by the V-I transmission matrix model, showing high computing efficiency. Based on this model, spectra response of FBG under changing ultrasonic frequencies was simulated and discussed. In experiment, the system was able to detect a wideband ultrasonic wave ranging from 15 to 1380 kHz. These results would provide a guideline for an FBGbased acoustic detection system design in a specific ultrasonic frequency. (C) 2012 Optical Society of Americaen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationZhuoxuan Li, Li Pei, Bo Dong, Cheng Ma, and Anbo Wang, "Analysis of ultrasonic frequency response of surface attached fiber Bragg grating," Appl. Opt. 51, 4709-4714 (2012); doi: 10.1364/AO.51.004709en
dc.identifier.doihttps://doi.org/10.1364/AO.51.004709en
dc.identifier.issn1559-128Xen
dc.identifier.urihttp://hdl.handle.net/10919/25897en
dc.identifier.urlhttp://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-20-4709en
dc.language.isoenen
dc.publisherOptical Society of Americaen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectSensorsen
dc.subjectInspectionen
dc.subjectLaseren
dc.titleAnalysis of ultrasonic frequency response of surface attached fiber Bragg gratingen
dc.title.serialApplied Opticsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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