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Proceedings Paper

Negative refraction and subwavelength focusing using left-handed composite metamaterials
Author(s): Ekmel Ozbay; Koray Aydin
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Paper Abstract

We review experimental studies performed on left-handed metamaterials (LHM) at microwave frequencies. The metamaterial structure is composed of periodic arrays of split-ring resonators and wire meshes and exhibits a left-handed propagation band at frequencies of negative permittivity and negative permeability. Negative refraction is verified using prism shaped LHM and also by beam-shifting method. Subwavelength focusing of a point source is achieved with a resolution of 0.13λ through a flat LHM superlens.

Paper Details

Date Published: 28 January 2008
PDF: 7 pages
Proc. SPIE 6901, Photonic Crystal Materials and Devices VII, 690104 (28 January 2008); doi: 10.1117/12.777405
Show Author Affiliations
Ekmel Ozbay, Bilkent Univ. (Turkey)
Koray Aydin, Bilkent Univ. (Turkey)


Published in SPIE Proceedings Vol. 6901:
Photonic Crystal Materials and Devices VII
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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