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Originally published in Science Express on 25 May 2006
Science 23 June 2006:
Vol. 312. no. 5781, pp. 1780 - 1782
DOI: 10.1126/science.1125907
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Reports

Controlling Electromagnetic Fields

J. B. Pendry,1* D. Schurig,2 D. R. Smith2

Using the freedom of design that metamaterials provide, we show how electromagnetic fields can be redirected at will and propose a design strategy. The conserved fields—electric displacement field D, magnetic induction field B, and Poynting vector B—are all displaced in a consistent manner. A simple illustration is given of the cloaking of a proscribed volume of space to exclude completely all electromagnetic fields. Our work has relevance to exotic lens design and to the cloaking of objects from electromagnetic fields.

1 Department of Physics, Blackett Laboratory, Imperial College London, London SW7 2AZ, UK.
2 Department of Electrical and Computer Engineering, Duke University, Box 90291, Durham, NC 27708, USA.

* To whom correspondence should be addressed. E-mail: j.pendry{at}imperial.ac.uk

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