POLARIZATION-INVARIANT DIRECTIONAL CLOAKING BY TRANSFORMATION OPTICS | Zendy

Krishna Agarwal | Zendy; Xudong Chen | Zendy; Hu Li | Zendy; Hongyu Liu | Zendy; Günther Uhlmann | Zendy

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POLARIZATION-INVARIANT DIRECTIONAL CLOAKING BY TRANSFORMATION OPTICS

Author(s) -

Krishna Agarwal,

Xudong Chen,

Hu Li,

Hongyu Liu,

Günther Uhlmann

Publication year - 2011

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier11061801

Subject(s) - cloaking , optics , polarization (electrochemistry) , transformation optics , invariant (physics) , physics , transformation (genetics) , metamaterial , mathematical physics , biology , chemistry , biochemistry , gene

We propose a three-dimensional directional cloak for arbitrarily polarized incoming electromagnetic waves, motivated by the fact that there will be negligible scattering when the direction of impinging wave coincides with the axial direction of a very thin and elongated perfectly electric conducting (PEC) scatterer. The performance of the cloak under difierent polarizations of incoming waves are numerically investigated. The case in which the direction of incoming wave is perturbed ofi the ideal direction is also quantitatively studied. Numerical simulations show that the directional cloaking device is able to tolerate a large range of tilted angles of incoming waves.

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