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基于 CVD 石墨烯的用于毫米波应用的光学透明超表面设计。

Design of optically transparent metasurfaces based on CVD graphene for mmWave applications.

机构信息

Polytechnic University of Bari, Bari, Italy.

CNR-NANOTEC, Bari, Italy.

出版信息

Sci Rep. 2023 Mar 25;13(1):4920. doi: 10.1038/s41598-023-31298-0.

DOI:10.1038/s41598-023-31298-0
PMID:36966206
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10039886/
Abstract

We propose and numerically investigate a smart, optically transparent digital metasurface reflective in the mmWave range, based on CVD graphene programmable elements. For both TM and TE polarizations, we detail the optimization of the unit cells, designed to exhibit two distinct states that correspond to those of binary encoding. The whole metasurface encoding can be customized to provide different electromagnetic functions, such as wide-band beam splitting at a controlled angle and reduction of the Radar Cross Section. Optically transparent metasurfaces could be integrated and exploited in windows and transparent surfaces in future Beyond-5G and 6G ecosystems.

摘要

我们提出并数值研究了一种基于 CVD 石墨烯可编程元件的智能、透明的毫米波数字超表面反射器。对于 TM 和 TE 两种偏振，我们详细优化了单元结构，设计使其具有两种不同的状态，分别对应于二进制编码的两种状态。整个超表面编码可以定制，以提供不同的电磁功能，例如在控制角度下实现宽带波束分裂和减小雷达散射截面。光学透明超表面可以集成并应用于未来 5G 和 6G 生态系统中的窗户和透明表面。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/179040704989/41598_2023_31298_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/78cdbdc95b94/41598_2023_31298_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/a04bb9559500/41598_2023_31298_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/f156de8ec180/41598_2023_31298_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/836171aab1ed/41598_2023_31298_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/32927d289492/41598_2023_31298_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/8ed48a6acbb1/41598_2023_31298_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/6ffca8be5300/41598_2023_31298_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/1abffb9243ba/41598_2023_31298_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/179040704989/41598_2023_31298_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/78cdbdc95b94/41598_2023_31298_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/a04bb9559500/41598_2023_31298_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/f156de8ec180/41598_2023_31298_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/836171aab1ed/41598_2023_31298_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/32927d289492/41598_2023_31298_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/8ed48a6acbb1/41598_2023_31298_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/6ffca8be5300/41598_2023_31298_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/1abffb9243ba/41598_2023_31298_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f467/10039886/179040704989/41598_2023_31298_Fig9_HTML.jpg

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