Flat lens imaging does not need negative refraction

Details Flat lens imaging does not need negative refraction Flat lens imaging does not need negative refraction

2003-12-11

arxiv.org/abs/cond-mat/0312288v2

Physics

Condensed Matter

Materials Science

1 page and 2 figures. submitted to Nature

Scientific paper

In a recent communication, Parimi et al. (Nature 426, 404 (2003)) reported the experimental results on imaging by a flat lens made of photonic crystals. They attributed the observed focusing to the negative refraction expected for the Left-Handed-Materials (LHMs). Here we demonstrate that the experimental observation is irrelevant to the negative refraction of LHMs. Rather, the phenomenon is a natural result of the anisotropic scattering by an array of scatterers.

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