Real-Time Optical Differentiation For Moire Interferometry

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dc.contributorVirginia Techen
dc.contributor.authorPatorski, K.en
dc.contributor.authorPost, Danielen
dc.contributor.authorCzarnek, R.en
dc.contributor.authorGuo, Y. F.en
dc.contributor.departmentBiomedical Engineering and Mechanicsen
dc.date.accessed2014-02-24en
dc.date.accessioned2014-04-04T15:12:27Zen
dc.date.available2014-04-04T15:12:27Zen
dc.date.issued1987en
dc.description.abstractReal-time methods for differentiation of in-plane displacement fields produced by the moire interferometry technique are introduced. Two approaches are developed: (1) optical shearing of displacement patterns and (2) superposition of two lateral shear interferograms of wavefronts from 2 diffraction orders of the specimen grating. Coherence problems are circumvented by polarization effects. In both cases additive-type moire fringes give the map of displacement derivatives of the object under load. The issue of carrier patterns and extraneous fractional fringe order is clarified. Experimental verification of the principle is presented.en
dc.description.sponsorshipOffice of Naval Research under research grant N00014-86-K-0255en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationKrzysztof Patorski, Daniel Post, Robert Czarnek, and Yifan Guo, "Real-time optical differentiation for moire interferometry," Appl. Opt. 26, 1977-1982 (1987). doi: 10.1364/AO.26.001977en
dc.identifier.doihttps://doi.org/10.1364/AO.26.001977en
dc.identifier.issn0003-6935en
dc.identifier.urihttp://hdl.handle.net/10919/46958en
dc.identifier.urlhttp://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-26-10-1977en
dc.language.isoen_USen
dc.publisherOptical Society of Americaen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.titleReal-Time Optical Differentiation For Moire Interferometryen
dc.title.serialApplied Opticsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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