Integral equation solution for truncated slab structures by using a fringe current formulation

Full-wave solutions of truncated dielectric slab problems are interesting for a variety of engineering applications, in particular patch antennas on finite ground planes. For this application a canonical reference solution is that of a semi-infinite slab illuminated by a line source. Standard integr...

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Bibliographic Details
Main Authors: Jorgensen, E., Toccafondi, A., Maci, S.
Format: Conference Proceeding
Language:English
Subjects:
Dielectric substrates
Image reconstruction
Integral equations
Lighting
Patch antennas
Permittivity
Physical theory of diffraction
Slabs
Surface reconstruction
Terminology
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Summary:Full-wave solutions of truncated dielectric slab problems are interesting for a variety of engineering applications, in particular patch antennas on finite ground planes. For this application a canonical reference solution is that of a semi-infinite slab illuminated by a line source. Standard integral equation (IE) techniques are not easily applied to this problem, since unknown equivalent currents have to be distributed on a semi-infinite domain. In this paper we present a surface/surface approach, applied to an IE which is based on a non-conventional formulation. More precise, the unknowns of this IE are the difference between the actual currents and the currents of the infinite structure (without truncation).
DOI:10.1109/APS.1999.789328