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Eur. Phys. J. Appl. Phys. 46, 20702 (2009)
DOI: 10.1051/epjap/2009059
Equal-thickness invisible cloaks for arbitrarily polygonal-cylindrical regions
W.X. Jiang1, T.J. Cui1, J.Y. Chin1, Q. Cheng1, G.X. Yu1, X.M. Yang1 and R. Liu1, 21 State Key Laboratory of Millimeter Waves, Department of Radio Engineering, Southeast University, 210096 Nanjing, P.R. China
2 Department of Electrical and Computer Engineering, Duke University, Box 90291, Durham, 27708 North Carolina, USA
wxjiang@emfield.org
Received: 18 November 2008 / Received in final form: 14 January 2009 / Accepted: 20 February 2009 / Published online: 3 April 2009
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.
41.20.Jb - Electromagnetic wave propagation; radiowave propagation.
42.25.Gy - Edge and boundary effects; reflection and refraction.
42.79.Dj - Gratings.
© EDP Sciences 2009
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