Design of Cylindrical Metamaterial Invisible Cloak with Non-Singular Electromagnetic Tensors

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Abstract:

Based on line transformation, cylindrical metamaterial invisible cloak with non-singular electromagnetic tensors is designed. The results of simulation software based on finite element methods (FEM) show that the singularity in the electromagnetic tensors of the cloak has been eliminated, comparing with the cylindrical cloak with ideal tensors. From the simulation results, although there is electromagnetic perturbation in the free-space of the solution region, this cloak exhibits nice electromagnetic invisible performance. The bending wave front is clearly seen when the incoming wave transmits into the cloak region. Because of the non-singular electromagnetic tensors, the designed cloak may have more engineering application than the cloak with idea tensors.

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10-13

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December 2014

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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[1] J.B. Pendry, D. Schurig, D.R. Smith. Controlling electromagnetic fields [J]. Science, 2006, 312(5781): 1780-1782.

DOI: 10.1126/science.1125907

Google Scholar

[2] D. Schurig, J.J. Mock, B.J. Justice, et al. Metamaterial electromagnetic cloak at microwave frequencies [J]. Science, 2006, 314(5801): 977-980.

DOI: 10.1126/science.1133628

Google Scholar

[3] Chen H S, Zheng B, L. Shen, et al. Ray-optics cloaking devices for large object in incoherent natural light[J]. Nature Communications, 2013, 4: 2652.

DOI: 10.1038/ncomms3652

Google Scholar

[4] J. Li, J.B. Pendry. Hiding under the carpet: a new strategy for cloaking [J]. Phys. Rev. Lett., 2008, 101(20): 203901.

DOI: 10.1103/physrevlett.101.203901

Google Scholar

[5] W.X. Jiang, T.J. Cui, X.M. Yang, et al. Invisibility cloak elliptical cylindrical cloaks [J]. Appl. Phys. Lett., 2008, 93(19): 194102.

Google Scholar

[6] Y. Liu, Z.Y. Li, W.Z. Zhang, et al. Design and emulation of combined-shaped electromagnetic stealthy cloak made of metamaterials [J]. Journal of Functional Materials, 2013, 44(15): 2235-2238.

Google Scholar

[7] Y. Liu, Z.Y. Li, W.Z. Zhang, et al. Design and simulation of metamaterial electromagnetic invisible wavelength-transformer [J]. Journal of Functional Materials, 2014, 45(11): 11027-11031.

Google Scholar

[8] H. Ma, S.B. Qu, Z. Xu, et al. Using photon funnels based on metamaterial cloaks to compress electromagnetic wave beams [J]. Applied Optics, 2008, 47(23): 4193-4195.

DOI: 10.1364/ao.47.004193

Google Scholar

[9] G.X. Yu, W.X. Jiang, T.J. Cui. Invisible slab cloaks via embedded optical transformation [J]. Appl. Phys. Lett., 2009, 94(4): 041904.

DOI: 10.1063/1.3075064

Google Scholar