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ELECTROMAGNETIC FIELD FROM A VERTICAL ELECTRIC DIPOLE IN A FOUR-LAYERED REGION

By L. Liu, K. Li, and W.-Y. Pan

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Abstract:
In this paper, the region of interest consists of a perfect conductor, coated with the two layer dielectrics under the air. The completed analytical formulas have been derived for the electromagnetic field due to a vertical electric dipole in the four-layered region when both the source point and observation point are located in the upper dielectric layer. Similar to the three-layered case, the trapped surface wave, which is contributed by the sums of residues of the poles, can also be excited efficiently by a vertical electric dipole in the four-layered region. The lateral wave is determined by the integrations along the branch cuts.

Citation:
L. Liu, K. Li, and W.-Y. Pan, "Electromagnetic Field from a Vertical Electric Dipole in a Four-Layered Region," Progress In Electromagnetics Research B, Vol. 8, 213-241, 2008.
doi:10.2528/PIERB08062108

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