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A new Sommerfeld integral path is proposed for a dielectric slab with double negative metamaterials. In order to conceive the proper Sommerfeld integral path, the mode properties of a grounded dielectric slab with double negative metamaterials are first reviewed. Dispersion diagrams and power flows are investigated, followed by a summary of sign choices for possible solutions. The mode loci in the...
In this paper, we discussed mode spectrum of a grounded dielectric slab with DNG medium and its pole loci as the thickness or loss changes. They are more complicated than those of conventional DPS medium, and these complexities suggest a different Sommerfeld integral path for DNG medium.
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