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Science 24 May 2002:
Vol. 296. no. 5572, pp. 1380 - 1381
DOI: 10.1126/science.296.5572.1380b
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News of the Week

OPTICS:
Theorists Doubt Claims for Perfect Lens

Konstantin Kakaes

A spat has broken out in the normally calm world of optics over whether it is possible to make a perfect lens. Two years ago, a physicist at Imperial College in London predicted that a strange class of optical materials, known as negative index media, could make a lens that focuses all the parts of a light wave, even those that normally decay. But now, two different groups of researchers are attacking his conclusions.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)