Electromagnetic cloaking devices for TE and TM polarizations

Details Electromagnetic cloaking devices for TE and TM polarizations Electromagnetic cloaking devices for TE and TM polarizations

Nov 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008njph...10k5035b&link_type=abstract

New Journal of Physics, Volume 10, Issue 11, pp. 115035 (2008).

Physics

9

Scientific paper

In this paper, we present the design of an electromagnetic cloaking device working for both transverse electric (TE) and transverse magnetic (TM) polarizations. The theoretical approach to cloaking used here is inspired by the one presented by Alù and Engheta (2005 Phys. Rev. E 72 016623) for TM polarization. The case of TE polarization is firstly considered and, then, an actual inclusion-based cloak for TE polarization is also designed. In such a case, the cloak is made of a mu-near-zero (MNZ) metamaterial, as the dual counterpart of the epsilon-near-zero (ENZ) material that can be used for purely dielectric objects. The operation and the robustness of the cloaking device for the TE polarization is deeply investigated through a complete set of full-wave numerical simulations. Finally, the design and an application of a cloak operating for both TE and TM polarizations employing both magnetic inclusions and the parallel plate medium already used by Silveirinha et al (Phys. Rev. E 75 036603) are presented.

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