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Please use this identifier to cite or link to this item: https://doi.org/10.1364/AO.32.004929
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dc.titleAnalysis of shearogram reconstruction
dc.contributor.authorToh, S.L.
dc.contributor.authorTay, C.J.
dc.contributor.authorShang, H.M.
dc.contributor.authorLin, Q.Y.
dc.date.accessioned2014-06-17T05:08:43Z
dc.date.available2014-06-17T05:08:43Z
dc.date.issued1993-09-01
dc.identifier.citationToh, S.L., Tay, C.J., Shang, H.M., Lin, Q.Y. (1993-09-01). Analysis of shearogram reconstruction. Applied Optics 32 (25) : 4929-4933. ScholarBank@NUS Repository. https://doi.org/10.1364/AO.32.004929
dc.identifier.issn00036935
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/57910
dc.description.abstractThe high-pass Fourier filtering technique with an opaque stopper is commonly used for the reconstruction of shearograms. We believe that no analysis of this technique as applied to the shearogram reconstruction has been described. We present here a theoretical analysis of this reconstruction system taking into account the stopper that blocks the low-frequency region in the Fourier transform plane. The results show that the light-intensity distribution after reconstruction is different from that of the original shearogram. High fringe visibility is obtained with high-pass filtering. © 1993 Optical Society of America.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1364/AO.32.004929
dc.sourceScopus
dc.subjectFringes.
dc.subjectHigh-pass filter
dc.subjectShearography
dc.subjectSpeckle
dc.typeArticle
dc.contributor.departmentMECHANICAL & PRODUCTION ENGINEERING
dc.description.doi10.1364/AO.32.004929
dc.description.sourcetitleApplied Optics
dc.description.volume32
dc.description.issue25
dc.description.page4929-4933
dc.description.codenAPOPA
dc.identifier.isiutA1993LU72700039
Appears in Collections:Staff Publications

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