A Design of OAM Metal-only Transmitarray Antenna Using High-Transmission Slot-Type Jerusalem Elements

Authors

  • Li Yu 1 School of Electronic Engineering Beijing University of Posts and Telecommunications, Beijing, 100876, China 2 Key Laboratory of Universal Wireless Communications Ministry of Education Beijing University of Posts and Telecommunications, Beijing 3 Beijing Key Laboratory of Work Safety Intelligent Monitoring Beijing University of Posts and Telecommunications, Beijing 100876, China
  • Xiuping Li 1 School of Electronic Engineering Beijing University of Posts and Telecommunications, Beijing, 100876, China 2 Key Laboratory of Universal Wireless Communications Ministry of Education Beijing University of Posts and Telecommunications, Beijing 3 Beijing Key Laboratory of Work Safety Intelligent Monitoring Beijing University of Posts and Telecommunications, Beijing 100876, China
  • Hua Zhu 1 School of Electronic Engineering Beijing University of Posts and Telecommunications, Beijing, 100876, China 2 Key Laboratory of Universal Wireless Communications Ministry of Education Beijing University of Posts and Telecommunications, Beijing 3 Beijing Key Laboratory of Work Safety Intelligent Monitoring Beijing University of Posts and Telecommunications, Beijing 100876, China
  • Zihang Qi 1 School of Electronic Engineering Beijing University of Posts and Telecommunications, Beijing, 100876, China 2 Key Laboratory of Universal Wireless Communications Ministry of Education Beijing University of Posts and Telecommunications, Beijing 3 Beijing Key Laboratory of Work Safety Intelligent Monitoring Beijing University of Posts and Telecommunications, Beijing 100876, China

Keywords:

High-transmission, metal-only, orbital angular momentum (OAM), transmitarray, transmission line theory

Abstract

In this paper, an orbital angular momentum transmitarray antenna based on high-transmission slottype Jerusalem elements is proposed. The equivalent circuit model of the proposed element is analyzed by the transmission line theory. Theoretical results calculated by MATLAB show that a four-layer element with non-identical layers can realize a similar phase range and a much higher transmission efficiency as that with identical layers. Using this method, the transmission magnitude is greater than −0.45 dB within a 360° transmission phase range. Based on the proposed element, a round aperture orbital angular momentum transmitarray composed of 648 elements is designed and simulated by HFSS. The results confirm that orbital angular momentum waves with l=+1 are successfully generated. The divergence angle and maximum gain are about 6° and 19.2 dBic, respectively. And the aperture efficiency with l=+1 is 11.3%.

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References

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Published

2020-03-01

How to Cite

[1]
Li Yu, Xiuping Li, Hua Zhu, and Zihang Qi, “A Design of OAM Metal-only Transmitarray Antenna Using High-Transmission Slot-Type Jerusalem Elements”, ACES Journal, vol. 35, no. 3, pp. 288–294, Mar. 2020.

Issue

2020: Vol 35 Iss 3

Section

Articles