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Improvement of Cylindrical Cloak by Layered Structure of Homogeneous Isotropic Materials

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DOI: 10.4236/jemaa.2009.14035    5,376 Downloads   9,669 Views   Citations

ABSTRACT

The perfect cylindrical cloak requires three spatial variant material parameters, which is very difficult to realize in practice [Science 312, 1780 (2006)]. The approach of realizing the electromagnetic cloaking by concentric layered structures instead of using the metamaterial was presented [Optics Express, Vol. 15, No. 18 (2007)]. We use the concentric layered structures to realize a simplified cylindrical cloak with improved parameters and an ideal cylindrical cloak with spatially invariant axial material parameters. Numerical simulation results validate that cloaking performance is significantly improved compared with previously proposed multilayered cloak.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

J. DING, Y. LIU, C. GUO and Q. XU, "Improvement of Cylindrical Cloak by Layered Structure of Homogeneous Isotropic Materials," Journal of Electromagnetic Analysis and Applications, Vol. 1 No. 4, 2009, pp. 236-239. doi: 10.4236/jemaa.2009.14035.

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