Logic operations by using modulated speckle

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dc.contributor.authorTebaldi, Myrian
dc.contributor.authorÁngel-Toro, Luciano
dc.contributor.authorTrivi, Marcelo
dc.contributor.authorBolognini, Néstor
dc.contributor.departmentUniversidad EAFIT. Departamento de Ciencias Básicasspa
dc.contributor.researchgroupÓptica Aplicadaspa
dc.date.accessioned2014-03-26T13:13:42Z
dc.date.available2014-03-26T13:13:42Z
dc.date.issued2001-08-14
dc.description.abstractAn alternative image multiplexing technique is proposed. In the arrangement implemented, the input is imaged by introducing a multiple aperture pupil in the imaging lens. Then, the speckle pattern is modulated by several system of fringes. The input images are sequentially encoded by using a different pupil during each exposure. The pupil arrangements implemented are selected to concentrate in each spot the spectral information corresponding to not more than two exposures. The spectral amplitude components for a pari of exposures are added into the common diffraction spots. All the diffraction spots contain information about a pair of inputs. Then, an image binary operation can be carried out in each spot. The technique is implemented by using as recording media photographic films and photorefractive crystals. The BSO crystal as recording medium is quite adequate in the applications proposed because it permits multiple storage in real time. However, due to its volume nature, each speckle grain exhibits angular selectivity in addition to those features observed in bidimensional media. © (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.sponsorshipFacultad de Ingeniería Universidad de la Plataspa
dc.identifier.citationMyrian C. Tebaldi ; Luciano Angel ; Marcelo Trivi and Nestor A. Bolognini "Logic operations by using modulated speckle", Proc. SPIE 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications, 644 (August 14, 2001); doi:10.1117/12.437234; http://dx.doi.org/10.1117/12.437234spa
dc.identifier.doi10.1117/12.437234
dc.identifier.urihttp://hdl.handle.net/10784/1422
dc.language.isoengeng
dc.publisherSPIE
dc.relation.ispartofProceedings of SPIE - 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applicationseng
dc.relation.isversionofhttp://dx.doi.org/10.1117/12.437234
dc.rights.accessrightsinfo:eu-repo/semantics/closedAccesseng
dc.rights.localAcceso cerradospa
dc.subject.keywordLogiceng
dc.subject.keywordSpeckleeng
dc.subject.keywordCrystalseng
dc.subject.keywordDiffractioneng
dc.subject.keywordLenseseng
dc.subject.keywordData storageeng
dc.subject.keywordSpeckle patterneng
dc.subject.keywordMultiplexingeng
dc.titleLogic operations by using modulated speckleeng
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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