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Materials (Basel). 2019 Jun 5;12(11). pii: E1827. doi: 10.3390/ma12111827.

Dual-Band Transmissive Cross-Polarization Converter with Extremely High Polarization Conversion Ratio Using Transmitarray.

Author information

1
School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China. jianxingli.china@xjtu.edu.cn.
2
School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China. fenghui@stu.xjtu.edu.cn.
3
Institute of Electronic Engineering, China Academy of Engineering Physics, Mianyang 621999, China. libocaepiee@163.com.
4
School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China. honyo.shi1987@gmail.com.
5
School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China. anxuezhang@xjtu.edu.cn.
6
School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China. chen.juan.0201@xjtu.edu.cn.
7
Shenzhen Research School, Xi'an Jiaotong University, Shenzhen 518057, China. chen.juan.0201@xjtu.edu.cn.
8
Guangdong Xi'an Jiaotong University Academy, Foshan 528300, China. chen.juan.0201@xjtu.edu.cn.

Abstract

In this paper, a dual-band cross-polarization converter is proposed. The proposed device can convert linearly polarized incident waves to their cross-polarized transmitted waves. Inspired by the aperture coupled transmitarray, a transmissive multi-layered unit cell structure was designed, which can operate in two frequency bands. The designed structure can manipulate the polarization of the transmitted wave into the cross-polarization of the incident waves at 10.36 GHz and 11.62 GHz. The cross-polarized transmittance of the proposed cross-polarization converter is higher than 0.93. In addition, the transmitted wave has an extremely low co-polarized component, which results in a nearly 100% polarization conversion ratio. The two working frequencies can be tuned independently. The proposed cross-polarization converter was simulated, fabricated and measured. The simulation results confirm with the measurement results.

KEYWORDS:

cross-polarization converter; high polarization conversion ratio; transmitarray

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