Abstract
A slim Luneburg lens is proposed, which allows the lens to be incorporated into an antenna system through transformation electromagnetics. The transformed lens is then discretized and fed by a patch antenna to form a high-directive antenna system with low sidelobe levels and steering capabilities for wide angles and a large operating bandwidth. In this letter, we outline the design of transformed Luneburg lenses, which are validated via numerical simulations. Results demonstrate that a grounded slim lens antenna preserves its original properties of Luneburg lenses, while it can be made conformal to any platform.
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