Noncontacting Detection in Ultrasonic Nondestructive Evaluation Of Materials: Simple Optical Sensor And Fiberoptic Interferometric Application

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dc.contributorVirginia Techen
dc.contributor.authorSarrafzadehkhoee, A.en
dc.contributor.authorDuke, J. C.en
dc.contributor.departmentBiomedical Engineering and Mechanicsen
dc.date.accessed2014-03-20en
dc.date.accessioned2014-04-09T18:12:23Zen
dc.date.available2014-04-09T18:12:23Zen
dc.date.issued1986-09-01en
dc.description.abstractAn optical displacement sensor based on the two_beam interferometry of coherent light using two principal diffracted orders of a fine reflection blazed grating is constructed. The inherent capability of the interferometer for absolute calibration, its maximum sensitivity adjustment, and the simplicity of the configuration of its components are explained. Utilization of a single_mode optical fiber in the test arm of the interferometer to enhance the geometric flexibility of the optical system is demonstrated. The sensor's application in the noncontacting detection of stimulated ultrasonic stress waves for nondestructive evaluation of advanced composite materials is emphasized. The detected signal is digitized and recorded using an IBM PC with a plug_in data_acquisition board. The combination of high sampling rate capability of the device and optical detection has facilitated the signal processing of ultrasonic waves in order to achieve interpretation and quantification of the physical parameter of interest (i.e., displacement).en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationSarrafzadehkhoee, A.; Duke, J. C., "noncontacting detection in ultrasonic nondestructive evaluation of materials: simple optical sensor and fiberoptic interferometric application," Rev. Sci. Instrum. 57, 2321 (1986); http://dx.doi.org/10.1063/1.1138705en
dc.identifier.doihttps://doi.org/10.1063/1.1138705en
dc.identifier.issn0034-6748en
dc.identifier.urihttp://hdl.handle.net/10919/47065en
dc.identifier.urlhttp://scitation.aip.org/content/aip/journal/rsi/57/9/10.1063/1.1138705en
dc.language.isoen_USen
dc.publisherAIP Publishingen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectUltrasonicsen
dc.subjectInterferometersen
dc.subjectNondestructive testingen
dc.subjectOptical devicesen
dc.subjectOptical fibersen
dc.subjectOptical sensorsen
dc.subjectFiber materialsen
dc.subjectInterferometryen
dc.subjectLight diffractionen
dc.subjectOptical materialsen
dc.titleNoncontacting Detection in Ultrasonic Nondestructive Evaluation Of Materials: Simple Optical Sensor And Fiberoptic Interferometric Applicationen
dc.title.serialReview of Scientific Instrumentsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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