Tunable beam propagating characteristics of two-dimensional rectangular-rod photonic crystals based on self-collimation effect
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.06.082
Abstract: Abstract The light beam transmission characteristics of the two-dimensional photonic crystal structures consisting of a square lattice of rectangular dielectric rods are studied. Through optimizing the parameters of the structure, the self-collimated light propagation within… read more here.
Keywords: two dimensional; propagating characteristics; tunable beam; characteristics two ... See more keywords
Tunable beam splitter using bilayer geometric metasurfaces in the visible spectrum.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.402691
Abstract: Metasurfaces have been widely investigated for their capabilities of manipulating wavefront versatilely and miniaturizing traditional optical elements into ultrathin devices. In this study, a nanoscale tunable beam splitter utilizing a bilayer of geometric metasurfaces in… read more here.
Keywords: geometric metasurfaces; beam splitter; tunable beam; bilayer geometric ... See more keywords
All-dielectric metasurface designs for spin-tunable beam splitting via simultaneous manipulation of propagation and geometric phases.
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DOI: 10.1364/oe.453505
Abstract: Metasurfaces offer diverse wavefront control by manipulating amplitude, phase, and polarization of light which is beneficial to design subwavelength scaled integrated photonic devices. Metasurfaces based tunable circular polarization (CP) beam splitting is one functionality of… read more here.
Keywords: tunable beam; spin tunable; metasurface; polarization ... See more keywords