A 2-bit coded transparent metasurface with polarization conversion, absorption and scattering functions for RCS reduction

Wangchang Li; Nengyan Huang; Yue Kang; Ting Zou; Yao Ying; Jing Yu; Jingwu Zheng; Liang Qiao; Juan Li; Shenglei Che

doi:10.1587/elex.21.20240246

LETTER

A 2-bit coded transparent metasurface with polarization conversion, absorption and scattering functions for RCS reduction

Wangchang Li, Nengyan Huang, Yue Kang, Ting Zou, Yao Ying, Jing Yu, Jingwu Zheng, Liang Qiao, Juan Li, Shenglei Che

Author information

Wangchang Li
College of Materials Science and Engineering, Zhejiang University of Technology
Research Center of Magnetic and Electronic Materials, Zhejiang University of Technology
Nengyan Huang
College of Materials Science and Engineering, Zhejiang University of Technology
Research Center of Magnetic and Electronic Materials, Zhejiang University of Technology
Yue Kang
Systems Engineering Institute
Ting Zou
Systems Engineering Institute
Yao Ying
College of Materials Science and Engineering, Zhejiang University of Technology
Research Center of Magnetic and Electronic Materials, Zhejiang University of Technology
Jing Yu
College of Materials Science and Engineering, Zhejiang University of Technology
Research Center of Magnetic and Electronic Materials, Zhejiang University of Technology
Jingwu Zheng
College of Materials Science and Engineering, Zhejiang University of Technology
Research Center of Magnetic and Electronic Materials, Zhejiang University of Technology
Liang Qiao
College of Materials Science and Engineering, Zhejiang University of Technology
Research Center of Magnetic and Electronic Materials, Zhejiang University of Technology
Juan Li
College of Materials Science and Engineering, Zhejiang University of Technology
Research Center of Magnetic and Electronic Materials, Zhejiang University of Technology
Shenglei Che
College of Materials Science and Engineering, Zhejiang University of Technology
Research Center of Magnetic and Electronic Materials, Zhejiang University of Technology

Keywords: coding metasurface, optically transparent, polarization conversion metasurface, RCS reduction, ultra-broadband

JOURNAL FREE ACCESS

2024 Volume 21 Issue 13 Pages 20240246

DOI https://doi.org/10.1587/elex.21.20240246

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Abstract

In recent years, the use of metasurface to reduce radar cross section has been paid much attention with the rapid development of detection and stealth technology. In this paper, a 2-bit coding metasurface has been designed to realize broadband of Radar Cross Section (RCS) reduction. The designed metasurface consists of four units “00”, “01”, “10”, “11”. Then, Genetic Algorithm (GA) and Antenna Array Theory are used to optimize the arrangement of elements on the metasurface to obtain the optimal scattering characteristics. The measured result coincides with the simulated results. The RCSr curves of simulation and experiment reach below -10dB in the broadband range of 4.4-16.3GHz almost simultaneously. Compared with the metal plate, the beam manipulation capability of this 2-bit digital metasurface is obviously enhanced.

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