12 November 2014 High-transmittance all-dielectric Huygens' metasurfaces (presentation video)
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Abstract
We demonstrate a metamaterial Huygens’ surfaces for near-infrared frequencies using high-permittivity all-dielectric nanoparticles with tailored Mie-type resonances as meta-atoms. We experimentally measure 360 degrees phase variation of the transmitted light in combination with high transmittance values for light passing through a fabricated metasurface exhibiting spectrally overlapping electric and magnetic dipole-type modes in the near-infrared spectral range. Our experimental measurements are in excellent agreement with numerical simulations and analytical calculations. High transmittance in combination with the simultaneously observed complete phase coverage is key for the realization of a wide range of applications including efficient wavefront shaping, dispersion control devices, and holograms.
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Isabelle Staude, Isabelle Staude, Manuel Decker, Manuel Decker, Matthias Falkner, Matthias Falkner, Jason Dominguez, Jason Dominguez, Dragomir N. Neshev, Dragomir N. Neshev, Igal Brener, Igal Brener, Thomas Pertsch, Thomas Pertsch, Yuri S. Kivshar, Yuri S. Kivshar, } "High-transmittance all-dielectric Huygens' metasurfaces (presentation video)", Proc. SPIE 9160, Metamaterials: Fundamentals and Applications 2014, 91600A (12 November 2014); doi: 10.1117/12.2061444; https://doi.org/10.1117/12.2061444
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