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题名:
Controlling beamwidth of antenna using frequency selective surface superstrate
作者: Wang, Min1; Huang, Cheng1; Chen, Po2; Wang, Yanqing1; Zhao, Zeyu1; Luo, Xiangang1
刊名: IEEE Antennas and Wireless Propagation Letters
出版日期: 2014
卷号: 13, 页码:213-216
学科分类: Frequency selective surfaces - Varactors
DOI: 10.1109/LAWP.2013.2297175
文章类型: 期刊论文
中文摘要: A method of using frequency selective surface (FSS) to dynamically control beamwidth of antenna is proposed. The unit cell is composed of a two-layer periodic H-shape structure loaded with varactors. By tuning the bias voltage applied to the varactors, the unit cell has two different states that are transparent and absorptive to the incident wave at a certain frequency, respectively. We can control the transparent region of the whole FSS through reasonably setting the capacitance of the varactor loaded on each unit cell, and thus the beamwidth of the transmitted wave could be tuned. The above property has been validated by putting the FSS above the horn antenna array as superstrate. Simulation results show that E-plane beamwidth of the antenna can be enlarged from 13.2° to 31.1° at 5.5 GHz, and experimental results agree well with the simulated ones. In addition, it is found that the operation frequency for beamwidth control can be tuned as well. © 2002-2011 IEEE.
英文摘要: A method of using frequency selective surface (FSS) to dynamically control beamwidth of antenna is proposed. The unit cell is composed of a two-layer periodic H-shape structure loaded with varactors. By tuning the bias voltage applied to the varactors, the unit cell has two different states that are transparent and absorptive to the incident wave at a certain frequency, respectively. We can control the transparent region of the whole FSS through reasonably setting the capacitance of the varactor loaded on each unit cell, and thus the beamwidth of the transmitted wave could be tuned. The above property has been validated by putting the FSS above the horn antenna array as superstrate. Simulation results show that E-plane beamwidth of the antenna can be enlarged from 13.2° to 31.1° at 5.5 GHz, and experimental results agree well with the simulated ones. In addition, it is found that the operation frequency for beamwidth control can be tuned as well. © 2002-2011 IEEE.
收录类别: SCI ; Ei
项目资助者: 973 Program of China [2013CBA01700] ; National Natural Science Funds [61138002]
语种: 英语
WOS记录号: WOS:000331965200001
ISSN号: 15361225
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6855
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. State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
2. Department of Geology and Geophysics, University of Wyoming, Laramie, WY 82071, United States

Recommended Citation:
Wang, Min,Huang, Cheng,Chen, Po,et al. Controlling beamwidth of antenna using frequency selective surface superstrate[J]. IEEE Antennas and Wireless Propagation Letters,2014,13:213-216.
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