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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
卷号: 54, 期号:7, 页码:1770-1774
学科分类: Circular polarization - Metamaterials - Microstrip antennas - Optical instruments
DOI: 10.1002/mop.26884
通讯作者: Luo, X. (lxg@ioe.ac.cn)
文章类型: 期刊论文
中文摘要: 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 Aˆ±30°. 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. © 2012 Wiley Periodicals, Inc.
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 Aˆ±30°. 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. © 2012 Wiley Periodicals, Inc.
收录类别: Ei
项目资助者: 973 Program of China [2011CB301800] ; National Natural Science Funds for Distinguished Young Scholar [60825405] ; Ministry of Education
语种: 英语
WOS记录号: WOS:000302801800058
ISSN号: 08952477
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6796
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: State Key Laboratory of Optical Technologies for Microfabrication, Institute of Optics and Electronics, Chinese Academy of Science, P. O. Box 350, Chengdu 610209, 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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