A Novel Frequency Reconfigurable Polarization Converter Based on Active Metasurface

Authors

  • Guangyao Liu Key Laboratory of High Speed Circuit Design and EMC of Ministry of Education School of Electronic Engineering, Collaborative Innovation Center of Information Sensing and Understanding Xidian University, Xi’an 710071, China
  • Jiaqi Han Key Laboratory of High Speed Circuit Design and EMC of Ministry of Education School of Electronic Engineering, Collaborative Innovation Center of Information Sensing and Understanding Xidian University, Xi’an 710071, China
  • Xiaohe Gao Key Laboratory of High Speed Circuit Design and EMC of Ministry of Education School of Electronic Engineering, Collaborative Innovation Center of Information Sensing and Understanding Xidian University, Xi’an 710071, China
  • Haixia Liu Key Laboratory of High Speed Circuit Design and EMC of Ministry of Education School of Electronic Engineering, Collaborative Innovation Center of Information Sensing and Understanding Xidian University, Xi’an 710071, China
  • Long Li Key Laboratory of High Speed Circuit Design and EMC of Ministry of Education School of Electronic Engineering, Collaborative Innovation Center of Information Sensing and Understanding Xidian University, Xi’an 710071, China

Keywords:

Active metasurface, frequency reconfigurable, PIN diode, polarization converter

Abstract

In this paper, a novel frequency reconfigureable polarization converter (FRPC) based on active metasurface tuned by positive-intrinsic-negative (PIN) diodes is proposed. The metasurface unit cell of the FRPC consists of truncated metal square patches and bias lines, which are all etched on a substrate backed by a metal ground. On one hand, the FRPC can convert linearly polarized waves along the x- and y-axis into leftand right-hand circularly polarized waves from 5.13 to 5.61 GHz and from 5.37 to 6.72 GHz when all PIN diodes are turned ON and OFF, respectively. On the other hand, the proposed FRPC shows good angle stabilities when the incident angle ranges from 0° to 30° over the dual frequency bands. The simulated results show that the total 3 dB axial ratio relative bandwidth is more than 26%. To validate the polarization converter, a prototype of the FRPC is fabricated and measured. Measured results agree well with the simulation ones.

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Published

2019-07-01

How to Cite

[1]
Guangyao Liu, Jiaqi Han, Xiaohe Gao, Haixia Liu, and Long Li, “A Novel Frequency Reconfigurable Polarization Converter Based on Active Metasurface”, ACES Journal, vol. 34, no. 07, pp. 1058–1063, Jul. 2019.

Issue

2019: Vol 34 Iss 7

Section

Articles