A spherical perfect lens

Details A spherical perfect lens A spherical perfect lens

2003-11-10

arxiv.org/abs/cond-mat/0311203v1

Physics

Condensed Matter

Disordered Systems and Neural Networks

Revtex4, 9 pages, 2 figures (eps)

Scientific paper

It has been recently proved that a slab of negative refractive index material acts as a perfect lens in that it makes accessible the sub-wavelength image information contained in the evanescent modes of a source. Here we elaborate on perfect lens solutions to spherical shells of negative refractive material where magnification of the near-field images becomes possible. The negative refractive materials then need to be spatially dispersive with $\epsilon(r) \sim 1/r$ and $\mu(r)\sim 1/r$. We concentrate on lens-like solutions for the extreme near-field limit. Then the conditions for the TM and TE polarized modes become independent of $\mu$ and $\epsilon$ respectively.

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