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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 12 — Jun. 7, 2010
  • pp: 12262–12268

Degradation of cloaking by two closely neighboring cloaks

Lin Gan and Zhi-Yuan Li  »View Author Affiliations


Optics Express, Vol. 18, Issue 12, pp. 12262-12268 (2010)
http://dx.doi.org/10.1364/OE.18.012262


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Abstract

Cloaking can prevent a scattering object from detection by electromagnetic waves as it can significantly reduce the scattering cross section of the object. In this work we show that when two cloaks are placed in close neighborhood, the interaction will greatly enhance the perturbation of near field and significantly increase the scattering cross section compared with a single cloak. This means that the cloaking functionality may strongly degrade when two or more cloaks come close to each other. This offers a route to break down electromagnetic cloaking.

© 2010 OSA

OCIS Codes
(160.1190) Materials : Anisotropic optical materials
(290.0290) Scattering : Scattering
(350.5610) Other areas of optics : Radiation
(160.3918) Materials : Metamaterials

ToC Category:
Physical Optics

History
Original Manuscript: April 5, 2010
Revised Manuscript: May 15, 2010
Manuscript Accepted: May 15, 2010
Published: May 25, 2010

Citation
Lin Gan and Zhi-Yuan Li, "Degradation of cloaking by two closely neighboring cloaks," Opt. Express 18, 12262-12268 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-12-12262


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