A broadband metamaterial cylindrical lens antenna
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- Ma, H., Chen, X., Yang, X. et al. Chin. Sci. Bull. (2010) 55: 2066. doi:10.1007/s11434-010-3021-y
We present a Luneberg-like cylindrical lens antenna experimentally using metamaterials. The cylindrical lens antenna with a broad bandwidth is made up of the non-resonant I-shaped metamaterial structures. The near-field distributions of the metamaterial lens antenna are measured using a two-dimensional near-field microwave scanning apparatus, and agree well with the simulation results. The far-field radiation patterns of the antenna are also presented to show the high-gain performance in the broad bandwidth.