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题名:
Low Refractive Metamaterials for Gain Enhancement of Horn Antenna
作者: Xiao, Zhigang2; Xu, Huiliang1
刊名: JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES
出版日期: 2009-03-01
卷号: 30, 期号:3, 页码:225-232
关键词: Metamaterials ; Low refractive index ; Horn antenna ; High gain antenna
文章类型: Article
英文摘要: A flat metamaterials (MTMs) structure with low refractive index is proposed as a cover in a high-gain horn antenna configuration. The MTMs is composed of two-layer metallic grids and slices of foam. For the characterization of the MTMs, the low refraction property is studied and the effective refractive index n approximate to 0.08 (12.0 GHz) is retrieved. The antenna gain and the radiation pattern are calculated. Because of the electromagnetic wave congregating effect of the MTMs, the gain of the horn with MTMs greatly increases (about 4 dB from 11.8 GHz 12.8 GHz) when compared with the conventional type. We conducted the experiments to verify the simulation results. The idea has a good potential application to the feed design of parabolas.
WOS标题词: Science & Technology ; Technology ; Physical Sciences
类目[WOS]: Engineering, Electrical & Electronic ; Optics ; Physics, Applied
研究领域[WOS]: Engineering ; Optics ; Physics
关键词[WOS]: DIRECTIVITY ; EBG ; DESIGN ; COVER ; LENS ; BAND
收录类别: SCI
语种: 英语
WOS记录号: WOS:000263878500003
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3297
Appears in Collections:微细加工光学技术国家重点实验室(开放室)_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Peoples R China
2.Leshan Teachers Coll, Phys & Electron Commun Dept, Leshan Sichuan 614004, Peoples R China

Recommended Citation:
Xiao, Zhigang,Xu, Huiliang. Low Refractive Metamaterials for Gain Enhancement of Horn Antenna[J]. JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES,2009,30(3):225-232.
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