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Published in 2019 at "Advanced Optical Materials"
DOI: 10.1002/adom.201801742
Abstract: Herein, a new design method to realize anomalously perfect reflections based on digital coding metasurfaces is proposed. Previous studies on perfect reflections usually rely on impedance matching, which requires complicated analyses and calculations. Based on…
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Keywords:
anomalously perfect;
digital coding;
perfect reflections;
coding metasurfaces ... See more keywords
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Published in 2018 at "Nature Communications"
DOI: 10.1038/s41467-018-06802-0
Abstract: The recently proposed digital coding metasurfaces make it possible to control electromagnetic (EM) waves in real time, and allow the implementation of many different functionalities in a programmable way. However, current configurations are only space-encoded,…
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Keywords:
digital coding;
space;
space time;
time ... See more keywords
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Published in 2021 at "Chinese Physics B"
DOI: 10.1088/1674-1056/abd6fc
Abstract: Benefiting from the unprecedented superiority of coding metasurfaces at manipulating electromagnetic waves in the microwave band, in this paper, we use the Pancharatnam-Berry (PB) phase concept to propose a high-efficiency reflective-type coding metasurface that can…
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Keywords:
manipulation terahertz;
bit coding;
coding metasurfaces;
terahertz waves ... See more keywords
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Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2905656
Abstract: We extend the array theory to design 2D curved coding metasurfaces in order to achieve arbitrary wavefront control. The extended array theory establishes the relationship between wavefront and curved-surface, which provides a simple and effective…
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Keywords:
array;
curved coding;
wavefront control;
array theory ... See more keywords
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Published in 2022 at "Applied optics"
DOI: 10.1364/ao.459343
Abstract: We present a broadband tunable coding metasurfaces structure using a cruciate metal patch and circular graphene on a multilayer substrate. By changing the Fermi level of the graphene, we can achieve obvious reflection phase variation…
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Keywords:
graphene;
beam;
control;
bit coding ... See more keywords
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Published in 2023 at "Optics express"
DOI: 10.1364/oe.486146
Abstract: This paper presents a novel sub-terahertz liquid crystal (LC) phase shifter based on digital coding metasurfaces. The proposed structure consists of metal gratings and resonant structures. They are both immersed in LC. The metal gratings…
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Keywords:
digital coding;
phase shifter;
coding metasurfaces;
sub terahertz ... See more keywords
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Published in 2022 at "Materials"
DOI: 10.3390/ma15175913
Abstract: Metamaterials, or metasurfaces, allow the flexible and efficient manipulation of electromagnetic (EM) wave. Although the passive coding metasurfaces have achieved a great deal of functionality, they also need a complex design process. In this paper,…
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Keywords:
coding metasurface;
metasurface diverse;
coding metasurfaces;
electromagnetic controls ... See more keywords