Low-Loss Circularly Polarized Transmitarray for Beam Steering Application
Huang, Cheng1; Pan, Wenbo1; Luo, Xiangang1
2016
发表期刊IEEE Transactions on Antennas and Propagation
ISSN0018-926X
卷号64期号:10页码:4471-4476
文章类型J
摘要We present the design and demonstration of a low-loss circularly polarized (CP) transmitarray. The proposed transmitarray is composed of a receiver cell with a 180° analog phase shifter and a transmitter cell integrating 1-bit phase shifting and linear-circular polarization transformation properties. By the analysis of numerical simulation, the transmitarray is verified to transform the incident linearly polarized (LP) wave into outgoing CP wave in the frequency band of 4.75-4.85 GHz. In addition, it can realize the 360° continuous phase modulation, and its insertion loss is less than 2 dB for all the transmission phases. We fabricate a fully reconfigurable 6 × 6 CP transmitarray, and it is experimentally demonstrated to achieve 360° phase tuning range with the average loss of ∼ 2.2 dB. When the proposed CP transmitarray is excited by a LP horn antenna, it produces a CP pencil beam at 4.8 GHz and its measured broadside gain is 14.8 dBi with axial ratio (AR) of 0.65 dB. By tuning its transmission phase, the CP transmitarray can also achieve beam steering at the angle of ±45°, and the value of AR is less than 3 dB at most of the scan angles. © 2016 IEEE.
关键词Frequency Bands Horn Antennas Linear Transformations Mathematical Transformations Microwave Antennas Phase Modulation Phase Shift Phase Shifters Polarization Reconfigurable Hardware
DOI10.1109/TAP.2016.2586580
收录类别SCI ; Ei
语种英语
项目资助者National Natural Science Funds [61138002, 61475160] ; 973 Program of China [2013CBA01701]
WOS记录号WOS:000386076200033
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ioe.ac.cn/handle/181551/8473
专题微细加工光学技术国家重点实验室(开放室)
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
2.610209, China
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Huang, Cheng,Pan, Wenbo,Luo, Xiangang. Low-Loss Circularly Polarized Transmitarray for Beam Steering Application[J]. IEEE Transactions on Antennas and Propagation,2016,64(10):4471-4476.
APA Huang, Cheng,Pan, Wenbo,&Luo, Xiangang.(2016).Low-Loss Circularly Polarized Transmitarray for Beam Steering Application.IEEE Transactions on Antennas and Propagation,64(10),4471-4476.
MLA Huang, Cheng,et al."Low-Loss Circularly Polarized Transmitarray for Beam Steering Application".IEEE Transactions on Antennas and Propagation 64.10(2016):4471-4476.
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