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Anomalous reflection of visible light by all-dielectric gradient metasurfaces

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dc.contributor.author Tsitsas, Nikolaos L.
dc.contributor.author Valagiannopoulos, Constantinos
dc.date.accessioned 2017-03-15T05:18:48Z
dc.date.available 2017-03-15T05:18:48Z
dc.date.issued 2017-03-15
dc.identifier.citation Tsitsas, Nikolaos L., Valagiannopoulos, Constantinos. 2017. Anomalous reflection of visible light by all-dielectric gradient metasurfaces. Journal of the Optical Society of America B. http://nur.nu.edu.kz/handle/123456789/2360 ru_RU
dc.identifier.uri http://nur.nu.edu.kz/handle/123456789/2360
dc.description.abstract Plane wave scattering by a planar metasurface composed of two periodically alternating rectangular dielectric rods is considered. A rigorous integral equation methodology is employed for the analysis and the accurate determination of the reflected and transmitted fields. Systematic optimizations with respect to the configuration’s parameters are performed, which reveal that it is possible to obtain significantly enhanced anomalous reflection (with simultaneously suppressed ordinary reflection predicted by Snell’s law) with power varying from 92% to almost 100% of the input one, depending on the color of the incident light. It is shown that these reflection properties are supported by metasurfaces easily realizable with specific low-loss dielectric materials. In this way, several all-dielectric optimal designs are reported that can be used in numerous applications demanding anomalous reflection in the visible range ru_RU
dc.language.iso en ru_RU
dc.publisher Journal of the Optical Society of America B ru_RU
dc.rights Attribution-NonCommercial-ShareAlike 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-sa/3.0/us/ *
dc.subject Diffraction and gratings ru_RU
dc.subject Metamaterials ru_RU
dc.subject Linear and nonlinear light scattering from surfaces ru_RU
dc.title Anomalous reflection of visible light by all-dielectric gradient metasurfaces ru_RU
dc.type Article ru_RU

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