Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/106900
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dc.contributor.authorUpputuri, Paul K.en
dc.contributor.authorPramanik, Manojiten
dc.contributor.authorKothiyal, Mahendra Prasaden
dc.contributor.authorNandigana, Krishna Mohanen
dc.date.accessioned2015-03-10T02:34:30Zen
dc.date.accessioned2019-12-06T22:20:33Z-
dc.date.available2015-03-10T02:34:30Zen
dc.date.available2019-12-06T22:20:33Z-
dc.date.copyright2015en
dc.date.issued2015en
dc.identifier.citationUpputuri, P. K., Pramanik, M., Kothiyal, M. P., & Nandigana, K. M. (2015). Two-wavelength microscopic speckle interferometry using colour CCD camera. Proceeding SPIE - International Conference on Experimental Mechanics 2014, 9302.en
dc.identifier.urihttps://hdl.handle.net/10356/106900-
dc.description.abstractSingle wavelength microscopic speckle interferometry is widely used for deformation, shape and non-destructive testing (NDT) of engineering structures. However the single wavelength configuration fails to quantify the large deformation due to the overcrowding of fringes and it cannot provide shape of a specimen under test. In this paper, we discuss a two wavelength microscopic speckle interferometry using single-chip colour CCD camera for characterization of microsamples. The use of colour CCD allows simultaneous acquisition of speckle patterns at two different wavelengths and thus it makes the data acquisition as simple as single wavelength case. For the quantitative measurement, an error compensating 8-step phase shifted algorithm is used. The system allows quantification of large deformation and shape of a specimen with rough surface. The design of the system along with few experimental results on small scale rough specimens is presented.en
dc.language.isoenen
dc.rights© 2015 SPIE. This is the author created version of a work that has been peer reviewed and accepted for publication by Proceeding SPIE - International Conference on Experimental Mechanics 2014, SPIE. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1117/12.2081122].en
dc.subjectDRNTU::Engineering::Electrical and electronic engineering::Antennas, wave guides, microwaves, radar, radioen
dc.titleTwo-wavelength microscopic speckle interferometry using colour CCD cameraen
dc.typeConference Paperen
dc.contributor.schoolSchool of Chemical and Biomedical Engineeringen
dc.contributor.conferenceInternational Conference on Experimental Mechanics 2014en
dc.identifier.doi10.1117/12.2081122en
dc.description.versionAccepted versionen
dc.identifier.rims183573en
item.grantfulltextopen-
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