Abstract
Herein we present an approach on expansion of the work by Pendry, who put forward the idea of spoof surface plasmons in conducting films as a way to engineer surface plasmon polaritons (SPPs) dispersion curves. Investigating a conducting film with holes filled with a metamaterial, we find that the surface texture and geometry can significantly influence the dispersion. For instance, we conduct an analysis of the effect of the lattice constant (D) on the dispersion of spoof SPPs. We observe, that the plasmon modes are less tightly bound in the case of smaller D. It is also demonstrated that the frequency range of SPPs can be tuned by varying the thickness of dielectric or metal sheets, employed in the metamaterial. Moreover, the tunability has been achieved integrating various metamaterials. Thus, this paper presents a survey of the development of reconfigurable and tunable metamaterial technology.
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Acknowledgments
The authors gratefully acknowledge the financial support provided to this study by NSERC (Natural Sciences and Engineering Research Council) and NSERC’s CREATE (Collaborative Research Training Experience) Program ASPIRE (Applied Science in Photonics and Innovative Research in Engineering), both of Canada, also by the projects “New creative teams in priorities of scientific research” and the IT4 Innovations Centre of Excellence project (CZ.1.05/1.1.00/02.0070), Czech Republic. We gratefully acknowledge helpful discussions with members of Cada’s photonics research group.
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This article is part of the Topical Collection on Optical Wave & Waveguide Theory and Numerical Modelling, OWTNM’ 15.
Guest Edited by Arti Agrawal, B.M.A. Rahman, Tong Sun, Gregory Wurtz, Anibal Fernandez and James R. Taylor.
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Gric, T., Pistora, J. & Cada, M. Effect of filling the surface texture with metamaterial on spoof surface plasmon dispersion. Opt Quant Electron 48, 234 (2016). https://doi.org/10.1007/s11082-016-0509-y
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DOI: https://doi.org/10.1007/s11082-016-0509-y