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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 16 — Aug. 15, 2010
  • pp: 2681–2683

Cylindrical cloaking at oblique incidence with optimized finite multilayer parameters

Baile Zhang and Bae-Ian Wu  »View Author Affiliations

Optics Letters, Vol. 35, Issue 16, pp. 2681-2683 (2010)

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We propose multilayer cylindrical invisibility cloaks that are optimized for oblique incidences through a combination of analytic formalism of scattering and genetic optimization. We show that by using only four layers of homogeneous and anisotropic metamaterials without large values of constitutive parameters, the scattering for oblique incidences can be reduced by 2 orders. Although the optimization is done at a single incident angle, the cloak provides reduced scattering over a large range of incident angles.

© 2010 Optical Society of America

OCIS Codes
(260.2110) Physical optics : Electromagnetic optics
(230.3205) Optical devices : Invisibility cloaks
(290.5839) Scattering : Scattering, invisibility

ToC Category:
Optical Devices

Original Manuscript: April 29, 2010
Revised Manuscript: June 29, 2010
Manuscript Accepted: July 4, 2010
Published: August 4, 2010

Baile Zhang and Bae-Ian Wu, "Cylindrical cloaking at oblique incidence with optimized finite multilayer parameters," Opt. Lett. 35, 2681-2683 (2010)

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