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Originally published in Science Express on 28 August 2008
Science 3 October 2008:
Vol. 322. no. 5898, pp. 71 - 73
DOI: 10.1126/science.1162087
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Reports

Time Reversal and Negative Refraction

J. B. Pendry

Time reversal and negative refraction have been shown to be intimately linked processes. We propose a scheme that exploits transitions between positive and negative frequencies to mimic negative refraction at an interface and hence to make a negatively refracting lens. The theory applies equally to electromagnetic and acoustic waves. We also propose an experimental realization, and under ideal circumstances this lens can exhibit subwavelength resolution, limited only by the strength of the time-reversed signal.

Department of Physics, The Blackett Laboratory, Imperial College London, London SW7 2AZ, UK. E-mail: j.pendry{at}imperial.ac.uk

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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