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Non-rotationally invariant invisibility cloaks and concentrators of EM Waves

Published online by Cambridge University Press:  21 August 2008

G. X. Yu ,
W. X. Jiang ,
X. Y. Zhou  and
T. J. Cui
G. X. Yu
Affiliation:
State Key Laboratory of Millimeter Waves, Department of Radio Engineering Southeast University, Nanjing 210096, P.R. China College of Information Science and Technology Nanjing Forestry University, Nanjing 210037, P.R. China
W. X. Jiang*
Affiliation:
State Key Laboratory of Millimeter Waves, Department of Radio Engineering Southeast University, Nanjing 210096, P.R. China
X. Y. Zhou
Affiliation:
State Key Laboratory of Millimeter Waves, Department of Radio Engineering Southeast University, Nanjing 210096, P.R. China
T. J. Cui
Affiliation:
State Key Laboratory of Millimeter Waves, Department of Radio Engineering Southeast University, Nanjing 210096, P.R. China
*
[email protected][email protected]
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Abstract

We present electromagnetic invisible cloaks and concentrators which are composed of inhomogeneous and anisotropic metamaterials with a square-shaped outer boundary and a circular-shaped inner boundary. Using the technique of coordinate transformation, closed-form formulations of the permittivity and permeability tensors have been derived for the metamaterials to realize the invisible cloaking and to concentrate electromagnetic waves. Full-wave simulation results are given to validate the non-rotationally invariant cloaks and concentrators.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 44 , Issue 2 , November 2008 , pp. 181 - 185
Copyright
© EDP Sciences, 2008

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