Abstract
The polarizability of various aperture shapes in a conducting plane finds practical applications in low-frequency microwave scattering and penetration problems [1]. For instance, when an aperture size is small compared to an incident wavelength, the polarizability is a useful concept to estimate a field penetration into apertures. The behavior of polarizability for an annular aperture in a conducting plane has been well studied in [2–3] based on the variational method. In the present section we will revisit the problem of polarizability of an annular aperture in a thick conducting plane and analyze its static potential distribution through an annular aperture.
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Eom, H.J. (2001). Annular Aperture in a Plane. In: Wave Scattering Theory. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-59487-8_8
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DOI: https://doi.org/10.1007/978-3-642-59487-8_8
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