Abstract

It is shown how a recently proposed method of cloaking is effective over a broad range of frequencies. The method is based on three or more active devices. The devices, while not radiating significantly, create a “quiet zone” between the devices where the wave amplitude is small. Objects placed within this region are virtually invisible. The cloaking is demonstrated by simulations with a broadband incident pulse.

© 2009 Optical Society of America

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History
Original Manuscript: July 1, 2009
Manuscript Accepted: July 27, 2009
Revised Manuscript: July 24, 2009
Published: August 5, 2009

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Author Affiliations

Fernando Guevara Vasquez, Graeme W. Milton, Daniel Onofrei

University of Utah

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