Articles with "index metasurface" as a keyword



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Controlling graphene plasmons with a zero-index metasurface.

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Published in 2017 at "Nanoscale"

DOI: 10.1039/c7nr05555b

Abstract: Graphene plasmons, owing to their diverse applications including electro-optical modulation, optical sensing, spectral photometry and tunable lighting at the nanoscale, have recently attracted much attention. One key challenge in advancing this field is to precisely… read more here.

Keywords: zero index; index; index metasurface; graphene plasmons ... See more keywords
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Wide Angle Beam Steerable High Gain Flat Top Beam Antenna Using Graded Index Metasurface Lens

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Published in 2019 at "IEEE Transactions on Antennas and Propagation"

DOI: 10.1109/tap.2019.2923075

Abstract: This paper presents a beam steerable low-profile lens antenna with a flat top wide beam and a high gain operating at 10.10 GHz. It consists of a graded index metasurface (GIMS) lens placed on the… read more here.

Keywords: graded index; beam; index metasurface; gain ... See more keywords
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Negative refractive index metasurface in the 2.0-THz band

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Published in 2018 at "Optical Materials Express"

DOI: 10.1364/ome.8.001916

Abstract: Development of continuous wave (CW) sources has recently advanced in various frequencies of the terahertz waveband. However, there are few materials suitable for the terahertz waveband, and attractive materials are eagerly awaited. Metamaterials with artificial… read more here.

Keywords: index; thz; negative refractive; index metasurface ... See more keywords