Electromagnetic scattering from a corrugated wedge

Author

Borgioli, Andrea ; Coccioli, Roberto ; Pelosi, Giuseppe ; Volakis, John L.

Author_Institution

Dept. of Electr. Eng., Florence Univ., Italy

Volume

45

Issue

8

fYear

1997

fDate

8/1/1997 12:00:00 AM

Firstpage

1265

Lastpage

1269

Abstract

The scattering of a TE-polarized wave from a perfectly conducting wedge with one of its faces loaded with cavities is considered. The proposed formulation reduces the analysis of the original problem to two simpler configurations: one concerning the geometry of the corrugation (internal problem) and one concerning the geometry of the perfectly conducting wedge (external problem). By resorting to a suitable numerical technique, it is possible to account for arbitrarily shaped corrugations filled with inhomogeneous material. Numerical results demonstrate the validity of the technique and its applicability to general shape corrugations. The analysis of corrugated horns is considered and results are shown that demonstrate the flexibility of the procedure to analyze horns with arbitrarily shaped corrugations

Keywords

electromagnetic wave polarisation; electromagnetic wave scattering; horn antennas; numerical analysis; TE-polarized wave; arbitrarily shaped corrugations; cavity loaded wedge; corrugated horns; corrugated wedge; corrugation geometry; electromagnetic scattering; external problem; general shape corrugations; inhomogeneous material; internal problem; numerical technique; perfectly conducting wedge; Conducting materials; Corrugated surfaces; Dielectric materials; Electromagnetic scattering; Electromagnetic wave polarization; Geometry; Horn antennas; Periodic structures; Reflector antennas; Shape;

fLanguage

English

Journal_Title

Antennas and Propagation, IEEE Transactions on

Publisher

ieee

ISSN

0018-926X

Type

jour

DOI

10.1109/8.611246

Filename

611246