Отрывок: That is the principal advantage of the variational approach potentially guaranteeing a better accuracy and a better resolution of imaging. The criterion (7) is highly nonlinear with respect to unknown quantities Bo, φo, Ar, but with introduced auxiliary variables V and Z, the varia- tional problem becomes much simpler [16]. Further development of that technique was produced in the recent paper [...
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dc.contributor.authorAchimova, E.-
dc.contributor.authorAbaskin, V.-
dc.contributor.authorClaus, D.-
dc.contributor.authorPedrini, G.-
dc.contributor.authorShevkunov, I.-
dc.contributor.authorKatkovnik, V.-
dc.date.accessioned2018-05-07 12:02:40-
dc.date.available2018-05-07 12:02:40-
dc.date.issued2018-
dc.identifierDspace\SGAU\20180504\68903ru
dc.identifier.citationAchimova E, Abaskin V, Claus D, Pedrini G, Shevkunov I, Katkovnik V. Noise minimized high resolution digital holographic microscopy applied to surface topography. Computer Optics 2018; 42(2): 267-272.ru
dc.identifier.urihttps://dx.doi.org/10.18287/2412-6179-2018-42-2-267-272-
dc.identifier.urihttp://repo.ssau.ru/handle/Zhurnal-Komputernaya-optika/Noise-minimised-high-resolution-digital-holographic-microscopy-applied-to-surface-topography-68903-
dc.description.abstractThe topography of surface relief gratings was studied by digital holographic microscopy. The applicability of the method for quantitative measurements of surface microstructure at nanoscale was demonstrated. The method for wavefront reconstruction of surface relief from a digital hologram recorded in off-axis configuration was also applied. The main feature is noise filtration due to the presence of noise in the recorded intensity distribution and the use of all orders of the hologram. Reconstruction results proved a better effectiveness of our approach for topography studying of relief grating patterned on a ChG As2S3 – Se nanomultilayers in comparison with standard Fourier Transform and Atom Force Microscope methods.ru
dc.description.sponsorshipWe express our gratitude to the Materials for Photovoltaic and Photonics Laboratory of the Institute of Applied Physics of the Academy of Sciences of Moldova for the samples preparing. Funding of work: the H2020-TWINN-2015 HOLO-project (687328); the Academy of Finland project 287150, 2015-2019.ru
dc.language.isoenru
dc.publisherСамарский национальный исследовательский университет имении академика С.П. Королеваru
dc.relation.ispartofseries42/2;-
dc.subjectdigital holographyru
dc.subjectdigital image processingru
dc.subjectdiffraction gratingsru
dc.titleNoise minimised high resolution digital holographic microscopy applied to surface topographyru
dc.typeArticleru
dc.textpartThat is the principal advantage of the variational approach potentially guaranteeing a better accuracy and a better resolution of imaging. The criterion (7) is highly nonlinear with respect to unknown quantities Bo, φo, Ar, but with introduced auxiliary variables V and Z, the varia- tional problem becomes much simpler [16]. Further development of that technique was produced in the recent paper [...-
dc.classindex.scsti29.31.29-
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