Journal
APPLIED PHYSICS LETTERS
Volume 96, Issue 18, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3427199
Keywords
lenses; metamaterials; optical couplers; optical waveguides; plasmonics
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We propose a metalens consisting of a metamaterial slab that can support the propagation of waves with high wave vectors and a nonperiodic plasmonic waveguide coupler atop that can provide phase compensation and wave vector matching. The principle of the metalens is analyzed and numerically verified. We show that the metalens not only can achieve super resolution focusing but also has the fundamental properties of a conventional optical lens, such as Fourier transform and imaging. The proposed metalens may offer exceptional opportunities for optical system design and information processing. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3427199]
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