Double exposure specklegrams obtained by using scaled aperture pupils

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dc.contributor.authorAngel-Toro, Luciano
dc.contributor.authorTebaldi, Myrian
dc.contributor.authorTrivi, Marcelo
dc.contributor.authorBolognini, Néstor
dc.contributor.departmentUniversidad EAFIT. Departamento de Ciencias Básicasspa
dc.contributor.researchgroupÓptica Aplicadaspa
dc.creator.emaillangel@eafit.edu.cospa
dc.date.accessioned2014-03-26T13:09:10Z
dc.date.available2014-03-26T13:09:10Z
dc.date.issued2001-08-14
dc.descriptionSPIE Proceedings Vol. 4419eng
dc.description.abstractIn speckle photography the pupil aperture is usually not modified between exposures. In our work, the change of the pupil aperture scale between exposures is analyzed on the basis of double-exposed image speckle, before and after a diffuse in-plane displacement is done. The apertures have the same shape but its scale is modified between exposures. Note that the relative position of the aperture is maintained. In particular, we analyze a simple case that uses a circular aperture whose diameter is modified for recording each image. The intensity in the image plane and the fringe visibility are evaluated, in terms of the geometric characteristics of the pupils. © (2001) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.eng
dc.description.sponsorshipCONICETspa
dc.description.sponsorshipCICspa
dc.description.sponsorshipFaculty of Engineering of the National University of La Plata (Argentina)spa
dc.identifier.citationLuciano Angel ; Myrian C. Tebaldi ; Marcelo Trivi and Nestor A. Bolognini "Double-exposure specklegrams obtained by using scaled aperture pupils", Proc. SPIE 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications, 186 (August 14, 2001); doi:10.1117/12.437233; http://dx.doi.org/10.1117/12.437233spa
dc.identifier.doi10.1117/12.437233
dc.identifier.urihttp://hdl.handle.net/10784/1421
dc.language.isoengeng
dc.publisherSPIE
dc.relation.ispartofProceedings/ 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applicationseng
dc.relation.isversionofhttp://dx.doi.org/10.1117/12.437233
dc.rights.accessrightsinfo:eu-repo/semantics/closedAccesseng
dc.rights.localAcceso cerradospa
dc.subject.keywordApertureseng
dc.subject.keywordPhotographyeng
dc.subject.keywordSpeckleeng
dc.titleDouble exposure specklegrams obtained by using scaled aperture pupilseng
dc.typeinfo:eu-repo/semantics/conferencePapereng
dc.typeconferencePapereng
dc.typeinfo:eu-repo/semantics/publishedVersioneng
dc.typepublishedVersioneng
dc.type.localDocumento de conferenciaspa

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