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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 23 — Nov. 8, 2010
  • pp: 24361–24367

Conformal carpet and grating cloaks

Roman Schmied, Jad C. Halimeh, and Martin Wegener  »View Author Affiliations


Optics Express, Vol. 18, Issue 23, pp. 24361-24367 (2010)
http://dx.doi.org/10.1364/OE.18.024361


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Abstract

We introduce a class of conformal versions of the previously introduced quasi-conformal carpet cloak, and show how to construct such conformal cloaks for different cloak shapes. Our method provides exact refractive-index profiles in closed mathematical form for the usual carpet cloak as well as for other shapes. By analyzing their asymptotic behavior, we find that the performance of finite-size cloaks becomes much better for metal shapes with zero average value, e.g., for gratings.

© 2010 Optical Society of America

OCIS Codes
(080.0080) Geometric optics : Geometric optics
(080.2710) Geometric optics : Inhomogeneous optical media
(160.3918) Materials : Metamaterials
(230.3205) Optical devices : Invisibility cloaks

History
Original Manuscript: September 13, 2010
Revised Manuscript: October 19, 2010
Manuscript Accepted: October 22, 2010
Published: November 5, 2010

Citation
Roman Schmied, Jad C. Halimeh, and Martin Wegener, "Conformal carpet and grating cloaks," Opt. Express 18, 24361-24367 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-23-24361


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References

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