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Optimizing the superlens: Manipulating geometry to enhance the resolution

Appl. Phys. Lett. 87, 231113 (2005); doi:10.1063/1.2139620

Published 30 November 2005

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Viktor A. Podolskiy and Nicholas A. Kuhta
Physics Department, 301 Weniger Hall, Oregon State University, Corvallis, Oregon 97331

Graeme W. Milton
Department of Mathematics, University of Utah, Salt Lake City, Utah 84112
We analyze the performance of a planar lens based on realistic negative index material in a generalized geometry. We demonstrate that the conventional superlens design (where the lens is centered between the object and the image) is not optimal from the resolution point of view, develop an analytical expression for the resolution limit of a generalized lens, use it to find the optimum lens configuration, and calculate the maximum absorption practical nearfield superlenses may have. We demonstrate that in contrast to the conventional superlens picture, planar imaging is typically accompanied by excitation of surface waves at both interfaces of the lens. ©2005 American Institute of Physics
History: Received 8 September 2005; accepted 31 October 2005; published 30 November 2005
Permalink: http://link.aip.org/link/?APPLAB/87/231113/1
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KEYWORDS and PACS

Keywords
PACS
  • 42.79.Bh
    Optical lenses, prisms and mirrors
  • 42.15.Eq
    Optical system design
  • YEAR: 2005

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ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (25)
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