Journal
OPTICS EXPRESS
Volume 16, Issue 8, Pages 5656-5661Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.16.005656
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We analyze cloaking of transverse electric (TE) fields through homogenization of radially symmetric metallic structures. The two-dimensional circular cloak consists of concentric layers cut into a large number of small infinitely conducting sectors which is equivalent to a highly anisotropic permittivity. We find that a wave radiated by a magnetic line current source located a couple of wavelengths away from the cloak is almost unperturbed in magnitude but not in phase. Our structured cloak is shown to work for different wavelengths provided they are ten times larger than the outermost sectors. (C) 2008 Optical Society of America.
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