Digital decoding of in-line holograms

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dc.citation.epage1132en_US
dc.citation.issueNumber11en_US
dc.citation.spage1124en_US
dc.citation.volumeNumber26en_US
dc.contributor.authorOnural, L.en_US
dc.contributor.authorScott, P. D.en_US
dc.date.accessioned2016-02-08T10:57:35Z
dc.date.available2016-02-08T10:57:35Z
dc.date.issued1987en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractDigitally sampled in-line holograms may be linearly filtered to reconstruct a representation of the original object distribution, thereby decoding the information contained in the hologram. The decoding process is performed by digital computation rather than optically. Substitution of digital for optical decoding has several advantages, including selective suppression of the twin-image artifact, elimination of the far-field requirement, and automation of the data reduction and analysis process. The proposed filter is a truncated series expansion of the inverse of that operator that maps object opacity function to hologram intensity. The first term of the expansion is shown to be equivalent to conventional (optical) reconstruction, with successive terms increasingly suppressing the twin image. The algorithm is computationally efficient, requiring only a single fast Fourier transform pair.en_US
dc.identifier.doi10.1117/12.7974205en_US
dc.identifier.issn0091-3286
dc.identifier.urihttp://hdl.handle.net/11693/26280
dc.language.isoEnglishen_US
dc.publisherSPIEen_US
dc.relation.isversionofhttps://doi.org/10.1117/12.7974205en_US
dc.source.titleOptical Engineeringen_US
dc.subjectIn-line holographyen_US
dc.subjectDigital holographyen_US
dc.subjectImage processingen_US
dc.subjectInverse filteringen_US
dc.titleDigital decoding of in-line hologramsen_US
dc.typeArticleen_US

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