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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 9 — Apr. 28, 2008
  • pp: 6134–6145

Invisibility cloaks for irregular particles using coordinate transformations

Yu You, George W. Kattawar, Peng-Wang Zhai, and Ping Yang  »View Author Affiliations


Optics Express, Vol. 16, Issue 9, pp. 6134-6145 (2008)
http://dx.doi.org/10.1364/OE.16.006134


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Abstract

Invisibility cloaks for ellipsoids, rounded cuboids and rounded cylinders have been studied on the basis of the coordinate transformation approach. The resultant material property tensors for irregular cloaks are more complicated in comparison with those for the spherical invisibility cloak. A generalized Discrete Dipole Approximation (DDA) formalism has been used to simulate the scattered field distribution in the vicinity of the aforementioned irregular cloaks illuminated by an incident plane wave. Simulated scattering efficiencies are on the order of 10-5, and the simulated electric-field distribution outside of a cloak is the same as that of the incident radiation.

© 2008 Optical Society of America

OCIS Codes
(160.1190) Materials : Anisotropic optical materials
(290.0290) Scattering : Scattering
(160.3918) Materials : Metamaterials
(280.1350) Remote sensing and sensors : Backscattering
(260.2710) Physical optics : Inhomogeneous optical media

ToC Category:
Metamaterials

History
Original Manuscript: February 20, 2008
Revised Manuscript: April 4, 2008
Manuscript Accepted: April 4, 2008
Published: April 16, 2008

Citation
Yu You, George W. Kattawar, Peng-Wang Zhai, and Ping Yang, "Invisibility cloaks for irregular particles using coordinate transformations," Opt. Express 16, 6134-6145 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-9-6134


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