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Low-Loss Circularly Polarized Transmitarray for Beam Steering Application
Huang, Cheng1; Pan, Wenbo1; Luo, Xiangang1
Source PublicationIEEE Transactions on Antennas and Propagation
Volume64Issue:10Pages:4471-4476
2016
Language英语
ISSN0018-926X
DOI10.1109/TAP.2016.2586580
SubtypeJ
AbstractWe 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.
KeywordFrequency Bands Horn Antennas Linear Transformations Mathematical Transformations Microwave Antennas Phase Modulation Phase Shift Phase Shifters Polarization Reconfigurable Hardware
Indexed BySCI ; Ei
WOS IDWOS:000386076200033
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/8473
Collection微细加工光学技术国家重点实验室(开放室)
Affiliation1. 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
Recommended Citation
GB/T 7714
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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