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We use spectral theory to analyze the radiation of elementary dipoles located close to homogeneous hyperbolic metamaterials (HMs) with finite thickness, focusing on the effect of losses in the HM. We show that for loss tangents (due to anisotropy) smaller than or equal to 10−1 the effect of the HM on dipole radiation is twofold: first, it induces an enhancement in the emitted power; second, most of...
A transformation electromagnetics technique for transforming a cylindrical wave into a plane wave is provided. The electromagnetic material parameters in the final coordinate space require only a single spatially varying term of the permittivity tensor for converting the wave front of TE waves. The detailed derivation of the spatially varying constitutive parameters and matching conditions for the...
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