Strong effect of surfaces on resolution limit of negative-index "superlens"

Details Strong effect of surfaces on resolution limit of negative-index "superlens" Strong effect of surfaces on resolution limit of negative-index "superlens"

2004-12-24

arxiv.org/abs/cond-mat/0412684v2

Physics

Condensed Matter

Materials Science

4 pages, 1 figure, (v2) minor changes in text

Scientific paper

10.1063/1.2040012

We show that subwavelength imaging by negative index materials (NIM), related to their "soft" electromagnetic response, is very (and non trivially) sensitive to the surface properties. A minute deviation of dielectric permittivity epsilon or magnetic permeability mu from the ideal values epsilon = mu = -1 in thin surface layer(s) results in drastic reduction of the resolution limit of a NIM slab. There may be a gap in the polariton spectrum and this would allow establishment of a stationary regime even without losses.

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