期刊
APPLIED PHYSICS LETTERS
卷 102, 期 2, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4776662
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资金
- EADS Company Foundation through the METAQOPT project [090-AO09-1006]
- EADS Company Foundation
The broadband directive emission from a metamaterial surface is numerically and experimentally reported. The metasurface, composed of non-resonant complementary closed ring structures, is designed to obey the refractive index of a half Maxwell fish-eye lens. A planar microstrip Vivaldi antenna is used as transverse magnetic polarized wave launcher for the lens. A prototype of the lens associated with its feed structure has been fabricated using standard lithography techniques. To experimentally demonstrate the broadband focusing properties and directive emissions, both the far-field radiation patterns and the near-field distributions have been measured. Measurements agree quantitatively and qualitatively with theoretical simulations. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4776662]
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