Design of Wideband 8×8 Butler Matrix using Composite Right/Left-handed Transmission Line for Multi-mode OAM Generation

Authors

  • Yan Zhang 1) School of Electronic Information Engineering Beihang University, Beijing, China 2) Shenzhen Institute of Beihang University Shenzhen, China
  • Haoran Ye School of Electronic Information Engineering Beihang University, Beijing, China
  • Jialin Zhang School of Electronic Information Engineering Beihang University, Beijing, China
  • Xurui Zhang School of Electronic Information Engineering Beihang University, Beijing, China
  • Shanwei Lü School of Electronic Information Engineering Beihang University, Beijing, China

DOI:

https://doi.org/10.13052/2024.ACES.J.390409

Keywords:

Butler matrix, CRLH transmission line, multi-mode OAM, wideband

Abstract

In this paper, a wideband Butler matrix for the uniform circular array antenna (UCA) generating multi-mode orbital angular momentum (OAM) vortex wave is designed. Firstly, the novel network topology of a Butler matrix is proposed. For the purpose of design and optimization convenience, the 8×8 Butler matrix is separated into two different sub 4×4 Butler matrix modules and one connection-output module. Then several wideband microwave components used in a Butler matrix, such as 3 dB directional coupler and stable phase shifter with composite right/left-handed (CRLH) transmission line, are designed. To demonstrate the effectiveness of the design process, a Butler matrix working in 5-7 GHz is designed and fabricated. It is found that the simulation results are in good agreement with the measured data. The constant amplitude distribution and progressive phase differences of ±45∘, ±90∘ between the output ports are observed, hence the ±1, ±2 mode OAM waves can be generated by the proposed Butler matrix.

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Author Biographies

Yan Zhang, 1) School of Electronic Information Engineering Beihang University, Beijing, China 2) Shenzhen Institute of Beihang University Shenzhen, China

Yan Zhang received the B.S. and Ph.D. degrees in electromagnetic field and microwave technology from the Beijing University of Aeronautics and Astronautics (BUAA), Beijing, China, in 2002 and 2006, respectively. From 2007 to 2008, he was a Post-Doctoral Researcher with the Communication, Navigation, Surveillance/Air Traffic Management(CNS/ATM) Laboratory, Civil Aviation Administration of China(CAAC), BUAA.

He is currently an Associate Professor of electronics and information engineering with BUAA. He has authored over 40 papers. His research interests include antenna, electromagnetic surface and antenna array.

Dr. Zhang was the recipient of the Outstanding Doctoral Dissertation Award and the Outstanding Post-Doctoral Researcher Award presented by BUAA in 2008.

Haoran Ye, School of Electronic Information Engineering Beihang University, Beijing, China

Haoran Ye received the degree in Physics in 2021. He is currently pursuing the M.S. degree in Electronic Science and Technology, School of Electronic and Information Engineering, Beihang University. His research interests include antenna and electromagnetic metamaterial.

Jialin Zhang, School of Electronic Information Engineering Beihang University, Beijing, China

Jialin Zhang received the B.S. and M.S. degrees in electromagnetic field and microwave technology from the Beihang University, Beijing, China, in 2019 and 2021, respectively. His research interests include antenna, metamaterial and antenna array.

Xurui Zhang, School of Electronic Information Engineering Beihang University, Beijing, China

Xurui Zhang received the B.S. degree in communication engineering from Xiamen University, Xiamen, China, in 2022. He is currently working toward the M.S. degree in electronic science and technology with the School of Beihang University, Beijing, China. His research interests include electromagnetic metamaterials and vortex wave.

Shanwei Lü, School of Electronic Information Engineering Beihang University, Beijing, China

Shanwei Lü was born in Dalian, Liaoning Province, China, in 1937. He received the B.S. degree in electromagnetic field and microwave technology from the Beijing Institute of Aeronautics and Astronautics (BIAA), Beijing, China, in 1961. From 1961 to 1976, he was with the Microwave Technique Laboratory, BIAA. He is currently a Professor and Ph.D. Supervisor with the School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics (BUAA), Beijing, China.

He has authored or coauthored five books and over 120 journal papers. His research interests include computational electromagnetics, radar antennas, navigation antennas, and antenna feeds.

Prof. Lü was the recipient of the 1991 Second Prize of Science and Technology Progress for leaky waveguide antennas, the 1992 Third Prize of National Invention for the conformal slotted antennas of sectoral waveguides, and the 1998 Third Prize of Science and Technology Progress for conformal slotted antennas of cam-rectangular waveguides.

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Published

2024-04-30

How to Cite

[1]
Y. Zhang, H. Ye, J. Zhang, X. Zhang, and S. Lü, “Design of Wideband 8×8 Butler Matrix using Composite Right/Left-handed Transmission Line for Multi-mode OAM Generation”, ACES Journal, vol. 39, no. 04, pp. 351–363, Apr. 2024.

Issue

2024: Vol 39 Iss 4

Section

General Submission

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