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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 8 — Apr. 14, 2008
  • pp: 5656–5661

Achieving invisibility over a finite range of frequencies.

M. Farhat, S. Guenneau, A.B. Movchan, and S. Enoch  »View Author Affiliations


Optics Express, Vol. 16, Issue 8, pp. 5656-5661 (2008)
http://dx.doi.org/10.1364/OE.16.005656


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Abstract

We analyze cloaking of transverse electric (TE) fields through homogenization of radially symmetric metallic structures. The two-dimensional circular cloak consists of concentric layers cut into a large number of small infinitely conducting sectors which is equivalent to a highly anisotropic permittivity. We find that a wave radiated by a magnetic line current source located a couple of wavelengths away from the cloak is almost unperturbed in magnitude but not in phase. Our structured cloak is shown to work for different wavelengths provided they are ten times larger than the outermost sectors.

© 2008 Optical Society of America

OCIS Codes
(230.3990) Optical devices : Micro-optical devices
(260.2110) Physical optics : Electromagnetic optics

ToC Category:
Metamaterials

History
Original Manuscript: February 26, 2008
Revised Manuscript: April 3, 2008
Manuscript Accepted: April 3, 2008
Published: April 7, 2008

Citation
M. Farhat, S. Guenneau, A. B. Movchan, and S. Enoch, "Achieving invisibility over a finite range of frequencies," Opt. Express 16, 5656-5661 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-8-5656


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