Journal
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
Volume 10, Issue -, Pages 1590-1593Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2011.2180884
Keywords
Beam steering; directive antennas; Luneburg lens antenna; metamaterials; steerable antennas; transformation electromagnetics
Funding
- Office of Naval Research Global (ONRG) under Naval International Cooperative Opportunities (NICOP) [N00014-09-1-1013]
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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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