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Open AccessArticle

Plasmonic Coaxial Waveguides with Complex Shapes of Cross-Sections

Saratov Branch of the Institute of Radio-Engineering and Electronics of Russian Academy of Science/Zelyonaya 38, Saratov 410019, Russia
SMARAD Center of Excellence, Department of Radio Science and Engineering, School of Science and Technology, Aalto University, P.O. Box 13000, Aalto 00076, Finland
Saratov State Technical University/Polytechnicheskaya 77, Saratov 410054, Russia
Author to whom correspondence should be addressed.
Materials 2011, 4(1), 104-116;
Received: 14 December 2010 / Accepted: 29 December 2010 / Published: 31 December 2010
(This article belongs to the Special Issue Next Wave of Metamaterials)
In this paper, we describe waveguide properties of new optical waveguides made of noble metals and filled with glass and air. Such waveguides are coaxial cables and differ from a conventional coaxial in the shape of their central rods. Coaxial waveguide with annular and elliptic central rods are considered. Numerical simulations demonstrate that these waveguides, having nanosize cross-section, support propagation of few comparatively low-loss modes, having phase velocity close to the speed of light and the fields localized in a small area outside a metal. We illustrate excitation of these coaxial modes by dipole-like sources. View Full-Text
Keywords: nano-size; plasmonic waveguides; coaxial nano-size; plasmonic waveguides; coaxial
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MDPI and ACS Style

Kozina, O.; Nefedov, I.; Melnikov, L.; Karilainen, A. Plasmonic Coaxial Waveguides with Complex Shapes of Cross-Sections. Materials 2011, 4, 104-116.

AMA Style

Kozina O, Nefedov I, Melnikov L, Karilainen A. Plasmonic Coaxial Waveguides with Complex Shapes of Cross-Sections. Materials. 2011; 4(1):104-116.

Chicago/Turabian Style

Kozina, Olga; Nefedov, Igor; Melnikov, Leonid; Karilainen, Antti. 2011. "Plasmonic Coaxial Waveguides with Complex Shapes of Cross-Sections" Materials 4, no. 1: 104-116.

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