Three-dimensional diffractive Gaussian beam analysis method for multi-reflector antennas

Author

Fangyuan Cheng ; Zejian Lu ; Hai Wang ; Xiaoming Liu ; Junsheng Yu ; Xiaodong Chen

Author_Institution

Sch. of Electron. Eng., Beijing Univ. of Posts & Telecommun., Beijing, China

fYear

2014

fDate

2-5 Dec. 2014

Firstpage

249

Lastpage

250

Abstract

A three-dimensional Diffractive Gaussian Beam Analysis approach for analyzing quasi-optical multi-reflector systems is presented. The illuminating field over the whole input plane is analyzed into a set of elementary Gaussian beams. These are propagated to the reflector. Geometric Optics initially treats reflection, while edge diffraction is modeled using the canonical problem of a 3-D Gaussian beam incident upon an opaque Kirchhoff half-screen. The output beams can again be expanded into a set of Gaussian beams. The proposed analysis is verified against a GRASP Physical Optics of a multi-reflector antenna system.

Keywords

Gaussian processes; geometrical optics; light diffraction; physical optics; reflector antennas; 3D Gaussian beam incident; 3D diffractive Gaussian beam analysis method; GRASP physical optics; edge diffraction; elementary Gaussian beams; geometric optics; illuminating field; multireflector antenna system; opaque Kirchhoff half-screen; quasioptical multireflector systems; Diffraction; Feeds; Geometry; Millimeter wave technology; Physical optics; Kirchhoff half-screen; multi-reflector antennas; reflection and diffraction; the whole input plane;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation (ISAP), 2014 International Symposium on

Conference_Location

Kaohsiung

Type

conf

DOI

10.1109/ISANP.2014.7026624

Filename

7026624