Compact range design with axial-symmetric main reflector

Abstract

A design for a dual-reflector compact range system with axial-symmetric main reflector is proposed. The advantage of this design is that it provides a larger quiet zone area and reduces the manufacturing cost. The configuration consists of a large surface of revolution as primary mirror, and a conventional point-source spherical-wave feed. The point-source feed is located outside the column of parallel rays reflected from the primary mirror in the Z-axis. Using geometrical ray tracing, a subreflector contour can be generated. Since the proposed approach is based on the surface of revolution, either a paraboloid or a spherical surface can be chosen as the main reflector.<>