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Equal-thickness invisible cloaks for arbitrarily polygonal-cylindrical regions

Published online by Cambridge University Press:  03 April 2009

W. X. Jiang*
Affiliation:
State Key Laboratory of Millimeter Waves, Department of Radio Engineering, Southeast University, 210096 Nanjing, P.R. China
T. J. Cui
Affiliation:
State Key Laboratory of Millimeter Waves, Department of Radio Engineering, Southeast University, 210096 Nanjing, P.R. China
J. Y. Chin
Affiliation:
State Key Laboratory of Millimeter Waves, Department of Radio Engineering, Southeast University, 210096 Nanjing, P.R. China
Q. Cheng
Affiliation:
State Key Laboratory of Millimeter Waves, Department of Radio Engineering, Southeast University, 210096 Nanjing, P.R. China
G. X. Yu
Affiliation:
State Key Laboratory of Millimeter Waves, Department of Radio Engineering, Southeast University, 210096 Nanjing, P.R. China
X. M. Yang
Affiliation:
State Key Laboratory of Millimeter Waves, Department of Radio Engineering, Southeast University, 210096 Nanjing, P.R. China
R. Liu
Affiliation:
State Key Laboratory of Millimeter Waves, Department of Radio Engineering, Southeast University, 210096 Nanjing, P.R. China Department of Electrical and Computer Engineering, Duke University, Box 90291, Durham, 27708 North Carolina, USA
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Abstract

Based on the theory of coordinate transformation, the design of electromagnetic (EM) invisible cloak with a uniform thickness is proposed for arbitrarily polygonal-cylindrical regions. The designed equal-thickness cloak will force incoming EM waves to propagate around the inner polygonal region smoothly. Similar to the circular cloak, such EM waves will return to their original propagation directions without distorting the waves outside the cloak. Full-wave simulations are given to validate the design and analysis.

Keywords

Type
Research Article
Copyright
© EDP Sciences, 2009

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