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Conferences > Photonics > 2016 > Th4E > Th4E.3

Improved Transmission Efficiency in Silicon based Visible­wavelength Metasurfaces using Stepped Nanocone Elements

Krupali D. Donda and Ravi S. Hegde

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Abstract

A numerical study of stepped conical shaped nanoantenna as elements of silicon transmissive metasurfaces for operation in the visible wavelength bands is presented. Improved transmissivity in comparison to cylindrical geometries [1] is observed in the 700nm to 800nm window.

© 2016 Optical Society of America

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