A novel miniaturized metamaterial lens antenna
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING(2020)
Abstract
This article develops a flat, miniaturized lens based on metamaterial for antenna gain improvement. The overall size of the lens is1.9 lambda(0) x 1.9 lambda(0) x 0.05 lambda(0). The distance between the metamaterial lens and the antenna is only about0.4 lambda(0). The prototype lens antenna is fabricated and the measured results are in agreement with the simulated results. It shows that the proposed lens provides significant gain enhancement by 2 to 3.5 dB between 1.3 and 1.45 GHz, which effectively demonstrate a high directivity, miniaturized, and compact metamaterial lens antenna.
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Key words
gain-enhancement,lens antenna,metamaterial,miniaturization
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