Riemann-Hilbert technique scattering analysis of metamaterial-based asymmetric 2D open resonators
| Autor: | Piotr M. Kaminski, Samel Arslanagic, Richard W. Ziolkowski |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Physics
Asymmetric resonators business.industry Scattering Aperture Metamaterial Riemann-Hilbert techniques Effective radiated power Condensed Matter Physics Line source Directivity lcsh:QC1-999 Resonator Optics Mechanics of Materials Metamaterials Cylinder General Materials Science Riemann–Hilbert techniques lcsh:Electrical engineering. Electronics. Nuclear engineering business lcsh:TK1-9971 lcsh:Physics |
| Zdroj: | EPJ Applied Metamaterials, Vol 4, p 10 (2017) Kamiński, P M, Ziolkowski, R W & Arslanagić, S 2017, ' Riemann-Hilbert technique scattering analysis of metamaterial-based asymmetric 2D open resonators ', EPJ Applied Metamaterials, vol. 4, 10 . https://doi.org/10.1051/epjam/2017007 |
| DOI: | 10.1051/epjam/2017007 |
| Popis: | © P.M. Kamiński et al., published by EDP Sciences, 2017. The scattering properties of metamaterial-based asymmetric two-dimensional open resonators excited by an electric line source are investigated analytically. The resonators are, in general, composed of two infinite and concentric cylindrical layers covered with an infinitely thin, perfect conducting shell that has an infinite axial aperture. The line source is oriented parallel to the cylinder axis. An exact analytical solution of this problem is derived. It is based on the dual-series approach and its transformation to the equivalent Riemann-Hilbert problem. Asymmetric metamaterial-based configurations are found to lead simultaneously to large enhancements of the radiated power and to highly steerable Huygens-like directivity patterns; properties not attainable with the corresponding structurally symmetric resonators. The presented open resonator designs are thus interesting candidates for many scientific and engineering applications where enhanced directional near- and far-field responses, tailored with beam shaping and steering capabilities, are highly desired. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|