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Optics

Positively negative

An artificially created material with negative refractive index has opened the door to new phenomena — and controversy. New work finally sets the seal of experimental confirmation on negative refraction.

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Figure 1: Negative refraction.
Figure 2: Negative refraction confirmed.

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Correspondence to John Pendry.

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Pendry, J. Positively negative. Nature 423, 22–23 (2003). https://doi.org/10.1038/423022a

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  • DOI: https://doi.org/10.1038/423022a

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