This paper presents conditions on the constitutive dyads of a bianisotropic linear metamaterial that are sufficient to ensure cloaking for arbitrary shapes and arbitrary illumination. The volumetric equivalence theorem is first formulated for a bianisotropic metamaterial scatterer. By assuming that the volumetric equivalent currents do not radiate outside the cloak, and radiate the negative of the incident field in the internal cavity of the cloak, the material constituent dyads are written as a function of two vector potentials respecting simple boundary conditions. The special known cases of transformation optics are derived in terms of a particular choice of the vector potentials as a coordinate transformation of the incident field space. © 2009 IEEE.

Maci, S., Yaghjian, A., & Martini, E. (2009). Cloaking formulated in terms of equivalent volumetric sources. In Proceedings of the 2009 International Conference on Electromagnetics in Advanced Applications, ICEAA '09 (pp.764-767) [10.1109/ICEAA.2009.5297304].

Cloaking formulated in terms of equivalent volumetric sources

MACI, STEFANO;MARTINI, ENRICA
2009

Abstract

This paper presents conditions on the constitutive dyads of a bianisotropic linear metamaterial that are sufficient to ensure cloaking for arbitrary shapes and arbitrary illumination. The volumetric equivalence theorem is first formulated for a bianisotropic metamaterial scatterer. By assuming that the volumetric equivalent currents do not radiate outside the cloak, and radiate the negative of the incident field in the internal cavity of the cloak, the material constituent dyads are written as a function of two vector potentials respecting simple boundary conditions. The special known cases of transformation optics are derived in terms of a particular choice of the vector potentials as a coordinate transformation of the incident field space. © 2009 IEEE.
9781424433865
9781424433865
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11365/1001062
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