We present a finite-element analysis of a diffraction problem involving a coated cylinder enabling the electromagnetic cloaking of a finite conducting object with sharp wedges located within its core. The coating consists of a hollow cylinder with a circular cross section made of heterogeneous anisotropic material deduced from a geometric transformation as first proposed by Pendry The shape of the cloak is then generalized to elliptic cross sections.
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Nicolet et al. (2008) studied this question.
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