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Ultrathin Pancharatnam-Berry Metasurface with Maximal Cross-Polarization Efficiency

Abstract : Novel ultrathin dual-functional meta lenses are proposed, fabricated, tested, and verified in the microwave regime for the first time. The significance is that their anomalous transmission efficiency almost reaches the theoretical limit of 25%, showing a remarkable improvement compared with earlier ultrathin metasurface designs with less than 5% coupling efficiency. The planar metalens proposed empowers significant reduction in thickness, versatile focusing behavior, and high transmission efficiency simultaneously.
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https://hal-univ-paris10.archives-ouvertes.fr/hal-01422951
Contributor : Shah Nawaz Burokur <>
Submitted on : Tuesday, December 27, 2016 - 9:39:47 PM
Last modification on : Wednesday, September 16, 2020 - 5:00:15 PM

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Xumin Ding, Francesco Monticone, Kuang Zhang, Lei Zhang, Dongliang Gao, et al.. Ultrathin Pancharatnam-Berry Metasurface with Maximal Cross-Polarization Efficiency. Advanced Materials, Wiley-VCH Verlag, 2015, 27 (7), pp.1195-1200. ⟨10.1002/adma.201405047⟩. ⟨hal-01422951⟩

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