Premium
High‐frequency analysis of Gaussian beam scattering by a two‐dimensional parabolic contour of finite width
Author(s) -
Anastassiu Hristos T.,
Pathak Prabhakar H.
Publication year - 1995
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/94rs03378
Subject(s) - gaussian , diffraction , reflector (photography) , gaussian beam , physical optics , optics , parabolic reflector , physics , reflection (computer programming) , scattering , enhanced data rates for gsm evolution , beam (structure) , electromagnetic field , numerical analysis , mathematical analysis , field (mathematics) , computational physics , mathematics , quantum mechanics , computer science , telecommunications , light source , pure mathematics , programming language
A high‐frequency analysis of the reflection and diffraction of well‐focused electromagnetic Gaussian beams (GBs) by a perfectly conducting parabolic surface with an edge is presented for the two dimensional case. The fields are evaluated analytically via the physical optics (PO) approximation, and only the reflected field is expressed as a GB. The GB procedure developed here is expected to be highly efficient in applications involving large reflector antennas, since it avoids the conventional time‐consuming numerical evaluation of the PO integrals. Some numerical results are provided to indicate the accuracy of the analytical expressions obtained. The three‐dimensional case will be reported separately.