Abstract

In this paper, a two-dimensional (2D) beam scanning lens antenna is presented, which is composed of a feed horn that can translate in plane and a planar lens with elliptic rotating phase distribution. The beam steering principle is detailed analyzed. For verification of this analysis, a 2D beam scanning lens antenna operated at 30 GHz is designed and simulated in a commercial full-wave simulation platform. Both the simulation results and the theoretical analysis demonstrate that such antenna has the advantages of low profile, wide scan angle, and easy fabrication.

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