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28 January 2008 Negative refraction and subwavelength focusing using left-handed composite metamaterials
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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.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ekmel Ozbay and Koray Aydin "Negative refraction and subwavelength focusing using left-handed composite metamaterials", Proc. SPIE 6901, Photonic Crystal Materials and Devices VII, 690104 (28 January 2008); https://doi.org/10.1117/12.777405
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