ANALYSIS
AND MINIMIZATION OF ABERRATION IN WIDE-ANGLE PLANAR MIRROR SYSTEMS
V. A. Kaloshin , E. V. Frolova
Kotel’nikov Institute of Radio Engineering and
Electronics of RAS
The paper is received
on January 10, 2014
Abstract. The results of the study of aberrations in planar
mirror systems are presented. Based on tracing method and imposed mean square aberration
( MSA ) a method for analyzing and minimizing asymmetrical aberrations in the
focusing region oblique rays is proposed. Asymptotic relations that
characterize the region of parameters with minimal aberrations have been
obtained. The comparison of the aberrations in different multibeam planar
mirror systems: Cassegrain systems, Schwarzschild system and single-dish system
with a parabolic mirror was done using MSA. The efficiency dependence of a
single-dish system and Schwarzschild system on angle of view was calculated using
physical optics method.
Keywords: planar mirror systems, multi-beam antennas, Cassegrain
system, Schwarzschild system, aberrations.