Negative Reflecting Meta-Mirrors

Abstract Using the gradient phase discontinuities that meta-mirrors provide, we show that the incident wave can be reflected anomalously with a broad angle range of negative reflections. Such reversed behaviors promote the immediate applications for the planar meta-mirrors to steer the signals more...

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Autores principales:	Rui Yang, Dong Li, Dongxing Gao, Aofang Zhang, Bowei Hu, Pei Yang, Zhenya Lei, Jiacheng Li
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/304bcb7424514bc0b535980c3556bef9
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id	oai:doaj.org-article:304bcb7424514bc0b535980c3556bef9
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spelling	oai:doaj.org-article:304bcb7424514bc0b535980c3556bef92021-12-02T12:32:46ZNegative Reflecting Meta-Mirrors10.1038/s41598-017-06184-12045-2322https://doaj.org/article/304bcb7424514bc0b535980c3556bef92017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-06184-1https://doaj.org/toc/2045-2322Abstract Using the gradient phase discontinuities that meta-mirrors provide, we show that the incident wave can be reflected anomalously with a broad angle range of negative reflections. Such reversed behaviors promote the immediate applications for the planar meta-mirrors to steer the signals more arbitrarily and the convex meta-mirrors to focus and collimate electromagnetic fields. We practically implement these negative reflecting meta-mirrors through an arrangement of subwavelength ring patches and generate the desired phase distribution by also considering the incident angle. Finally, the experiments are carried out to verify the functionality of the convex meta-mirror firstly, and the performances of the planar meta-mirror are also tested by further building up a dual reflector system with the demonstration of obtaining the plane wave from the convex meta-mirror and then having the well collimated beam negative reflected by the planar meta-mirror. The proposed design should be readily applicable to a wide range of electromagnetic problems, especially for devising smart planar illusion devices, and highly directive antennas mounting on convex surfaces of various platforms.Rui YangDong LiDongxing GaoAofang ZhangBowei HuPei YangZhenya LeiJiacheng LiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Rui Yang Dong Li Dongxing Gao Aofang Zhang Bowei Hu Pei Yang Zhenya Lei Jiacheng Li Negative Reflecting Meta-Mirrors
description	Abstract Using the gradient phase discontinuities that meta-mirrors provide, we show that the incident wave can be reflected anomalously with a broad angle range of negative reflections. Such reversed behaviors promote the immediate applications for the planar meta-mirrors to steer the signals more arbitrarily and the convex meta-mirrors to focus and collimate electromagnetic fields. We practically implement these negative reflecting meta-mirrors through an arrangement of subwavelength ring patches and generate the desired phase distribution by also considering the incident angle. Finally, the experiments are carried out to verify the functionality of the convex meta-mirror firstly, and the performances of the planar meta-mirror are also tested by further building up a dual reflector system with the demonstration of obtaining the plane wave from the convex meta-mirror and then having the well collimated beam negative reflected by the planar meta-mirror. The proposed design should be readily applicable to a wide range of electromagnetic problems, especially for devising smart planar illusion devices, and highly directive antennas mounting on convex surfaces of various platforms.
format	article
author	Rui Yang Dong Li Dongxing Gao Aofang Zhang Bowei Hu Pei Yang Zhenya Lei Jiacheng Li
author_facet	Rui Yang Dong Li Dongxing Gao Aofang Zhang Bowei Hu Pei Yang Zhenya Lei Jiacheng Li
author_sort	Rui Yang
title	Negative Reflecting Meta-Mirrors
title_short	Negative Reflecting Meta-Mirrors
title_full	Negative Reflecting Meta-Mirrors
title_fullStr	Negative Reflecting Meta-Mirrors
title_full_unstemmed	Negative Reflecting Meta-Mirrors
title_sort	negative reflecting meta-mirrors
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/304bcb7424514bc0b535980c3556bef9
work_keys_str_mv	AT ruiyang negativereflectingmetamirrors AT dongli negativereflectingmetamirrors AT dongxinggao negativereflectingmetamirrors AT aofangzhang negativereflectingmetamirrors AT boweihu negativereflectingmetamirrors AT peiyang negativereflectingmetamirrors AT zhenyalei negativereflectingmetamirrors AT jiachengli negativereflectingmetamirrors
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Negative Reflecting Meta-Mirrors

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