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题名:
Single-layer circular polarizer using metamaterial and its application in antenna
作者: Ma, Xiaoliang; Huang, Cheng; Pu, Mingbo; Hu, Chenggang; Feng, Qin; Luo, Xiangang
刊名: MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
出版日期: 2012-07-01
卷号: 54, 期号:7, 页码:1770-1774
关键词: circular polarizer ; metamaterial ; microstrip antenna ; gain enhancement
文章类型: Article
英文摘要: In this letter, we report a new type of circular polarizer using a single-layer metamaterial. The unit cell is composed of a metallic annular-ring and an embedded strip. Numerical and experimental results show that the linearly polarized plane wave can be converted to circularly polarized wave with a 3-dB axial ratio bandwidth of about 17%, which is from 13.25 to 15.7 GHz. The polarizer can also keep good circular polarization with incident off-normal angle in the range of +/- 30 degrees. Subsequently, this polarizer is applied in the linearly polarized microstrip patch antenna as superstrate, making this antenna composite radiate circularly polarized wave. In addition, the antenna gain is enhanced by about 3 dB in comparison with conventional patch antenna without polarizer. (C) 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:17701774, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26884
WOS标题词: Science & Technology ; Technology ; Physical Sciences
类目[WOS]: Engineering, Electrical & Electronic ; Optics
研究领域[WOS]: Engineering ; Optics
关键词[WOS]: MEANDER-LINE POLARIZER ; CONVERTER
收录类别: SCI
语种: 英语
WOS记录号: WOS:000302801800058
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2401
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Peoples R China

Recommended Citation:
Ma, Xiaoliang,Huang, Cheng,Pu, Mingbo,et al. Single-layer circular polarizer using metamaterial and its application in antenna[J]. MICROWAVE AND OPTICAL TECHNOLOGY LETTERS,2012,54(7):1770-1774.
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