Photonic band-gap materials for high-gain printed circuit antennas

被引:120
作者
Yang, HYD [1 ]
Alexopoulos, NG [1 ]
Yablonovitch, E [1 ]
机构
[1] UNIV CALIF LOS ANGELES,DEPT ELECT ENGN,LOS ANGELES,CA 90032
关键词
photonic band-gap; printed antennas;
D O I
10.1109/8.554261
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
It is found through a vector integral-equation analysis and the reciprocity theorem that the gain of a microstrip antenna can be greatly enhanced with a photonic band-gap (PEG) material Layer either as the substrate or the superstrate. The beam angle is found to coincide with that of a leaky-wave mode of a planar-grating structure. This observation suggests that high gain is due to the excitation of strong Leaky-wave fields.
引用
收藏
页码:185 / 187
页数:3
相关论文
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