Dual-band Circularly Polarized Hybrid Metamaterial Patch Antenna

被引：0
|
作者：
Ko, Seung-Tae [1 ]
Park, Byung-Chul [1 ]
Lee, Jeong-Hae [1 ]
机构：
[1] Hongik Univ, Dept Elect & Elect Engn, Seoul 121791, South Korea
来源：
2013 ASIA-PACIFIC MICROWAVE CONFERENCE PROCEEDINGS (APMC 2013) | 2013年
关键词：
dual-band; circular polarized; first positive; first negative; hybrid metamaterial;
D O I：
暂无
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：
In this paper, a small dual-band circularly polarized (CP) hybrid metamaterial (HMTM) patch antenna is presented by utilizing the first positive (+1) mode and the first negative (-1) mode. The -1 mode is generated on the periodic mushroom structures that provide a left-handed (LH) property of the metamaterial (MTM). Similarly, the CP radiation can be also obtained by using two orthogonal -1 modes, because the -1 mode has the same property with the +1 mode. To obtain two +1 modes and two -1 modes simultaneously, the trimmed patch antenna and 2 2 mushroom antenna are employed, respectively, and two antennas are united into one. It is measured that the CP radiations of the +1 and -1 modes appear 2.846 GHz similar to 2.887 GHz and 3.829 GHz similar to 3.835 GHz, respectively. Finally, the radiation efficiencies are measured to be 87 % and 47 % of the +1 mode and -1 mode, respectively.
引用
收藏
页码：342 / 344
页数：3
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