Planar metamaterial-based beam-scanning broadband microwave antenna
作者： Abdallah Dhouibi , Shah Nawaz Burokur , André de Lustrac
DOI: 10.1063/1.4876233
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摘要: The broadband directive emission from the use of waveguided metamaterials is numerically and experimentally reported. metamaterials, which are composed non-resonant circular complementary closed ring structures printed on a dielectric substrate, designed to obey refractive index Luneburg lens. An arc array planar radiating slot antennas placed at periphery lens used as wave launchers. A prototype associated with feed has been fabricated using standard lithography techniques. To demonstrate focusing properties emissions, far-field radiation patterns have measured. Furthermore, this metamaterial-based can be achieve beam-scanning coverage up 120 °. Far-field measurements agree qualitatively calculated near-field distributions.
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