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Curvilinear MetaSurfaces for Surface Wave Manipulation.

La Spada, Luigi; Spooner, Chris; Haq, Sajad; Hao, Yang

Authors

Chris Spooner

Sajad Haq

Yang Hao



Abstract

Artificial sheet materials, known as MetaSurfaces, have been applied to fully control both space and surface waves due to their exceptional abilities to dynamically tailor wave fronts and polarization states, while maintaining small footprints. However, previous and current designs and manufactured MetaSurfaces are limited to specific types of surfaces. There exists no general but rigorous design methodology for MetaSurfaces with generic curvature. The aim of this paper is to develop an analytical approach to characterize the wave behavior over arbitrary curvilinear MetaSurfaces. The proposed method allows us to fully characterize all propagating and evanescent wave modes from the MetaSurfaces. We will validate the proposed technique by designing, realizing and testing an ultrathin MetaSurface cloak for surface waves. Good results are obtained in terms of bandwidth, polarization independence and fabrication simplicity.

Journal Article Type Article
Acceptance Date Nov 15, 2018
Online Publication Date Feb 28, 2019
Publication Date Feb 28, 2019
Deposit Date Mar 2, 2019
Publicly Available Date Mar 5, 2019
Journal Scientific Reports
Publisher Nature Publishing Group
Peer Reviewed Peer Reviewed
Volume 9
Issue 1
Article Number 3107
DOI https://doi.org/10.1038/s41598-018-36451-8
Keywords Design, synthesis and processing, Electrical and electronic engineering, Nanophotonics and plasmonics, Sub-wavelength optics,
Public URL http://researchrepository.napier.ac.uk/Output/1629108
Contract Date Mar 5, 2019

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Curvilinear MetaSurfaces for Surface Wave Manipulation (2.1 Mb)
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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/

Copyright Statement
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0







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