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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 6 — Mar. 15, 2010
  • pp: 6089–6096

Design method for quasi-isotropic transformation materials based on inverse Laplace’s equation with sliding boundaries

Zheng Chang, Xiaoming Zhou, Jin Hu, and Gengkai Hu  »View Author Affiliations


Optics Express, Vol. 18, Issue 6, pp. 6089-6096 (2010)
http://dx.doi.org/10.1364/OE.18.006089


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Abstract

Recently, there are emerging demands for isotropic material parameters, arising from the broadband requirement of the functional devices. Since inverse Laplace’s equation with sliding boundary condition will determine a quasi-conformal mapping, and a quasi-conformal mapping will minimize the transformation material anisotropy, so in this work, the inverse Laplace’s equation with sliding boundary condition is proposed for quasi-isotropic transformation material design. Examples of quasi-isotropic arbitrary carpet cloak and waveguide with arbitrary cross sections are provided to validate the proposed method. The proposed method is very simple compared with other quasi-conformal methods based on grid generation tools.

© 2010 OSA

OCIS Codes
(230.0230) Optical devices : Optical devices
(230.3205) Optical devices : Invisibility cloaks

ToC Category:
Physical Optics

History
Original Manuscript: December 22, 2009
Revised Manuscript: February 22, 2010
Manuscript Accepted: February 22, 2010
Published: March 11, 2010

Citation
Zheng Chang, Xiaoming Zhou, Jin Hu, and Gengkai Hu, "Design method for quasi-isotropic transformation materials based on inverse Laplace’s equation with sliding boundaries," Opt. Express 18, 6089-6096 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-6-6089


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