Report

A Chiral Route to Negative Refraction

Science  19 Nov 2004:
Vol. 306, Issue 5700, pp. 1353-1355
DOI: 10.1126/science.1104467

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Abstract

Negative refraction is currently achieved by driving the magnetic permeability and electrical permittivity simultaneously negative, thus requiring two separate resonances in the refracting material. The introduction of a single chiral resonance leads to negative refraction of one polarization, resulting in improved and simplified designs of negatively refracting materials and opening previously unknown avenues of investigation in this fast-growing subject.

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