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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 19 — Sep. 13, 2010
  • pp: 19626–19644

Scattering and cloaking of binary hyper-particles in metamaterials

A. Alexopoulos and K. S. B. Yau  »View Author Affiliations


Optics Express, Vol. 18, Issue 19, pp. 19626-19644 (2010)
http://dx.doi.org/10.1364/OE.18.019626


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Abstract

We derive the d-dimensional scattering cross section for homogeneous and composite hyper-particles inside a metamaterial. The polarizability of the hyper-particles is expressed in multi-dimensional form and is used in order to examine various scattering characteristics. We introduce scattering bounds that display interesting results when d → ∞ and in particular consider the special limit of hyper-particle cloaking in some detail. We demonstrate cloaking via resonance for homogeneous particles and show that composite hyper-particles can be used in order to obtain electromagnetic cloaking with either negative or all positive constitutive parameters respectively. Our approach not only considers cloaking of particles of integer dimension but also particles with non-integer dimension such as fractals. Theoretical results are compared to full-wave numerical simulations for two interacting hyper-particles in a medium.

© 2010 Optical Society of America

OCIS Codes
(160.3918) Materials : Metamaterials
(290.5839) Scattering : Scattering, invisibility

ToC Category:
Scattering

History
Original Manuscript: August 25, 2010
Revised Manuscript: August 25, 2010
Manuscript Accepted: August 26, 2010
Published: August 31, 2010

Citation
Aris Alexopoulos and Bobby Yau, "Scattering and cloaking of binary hyper-particles in metamaterials," Opt. Express 18, 19626-19644 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-19-19626


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