A Chessboard Metasurface With Multimode RCSR Based on Reconfigurable Polarization Converter

A reconfigurable polarization converter (RPC) consisting of an asymmetrical Jerusalem Cross incorporated with two p-i-ns, an air space, and a metal ground is proposed. The active design enables the structure to convert an incident linearly polarized wave to its orthogonal counterpart from 2.93 to 7....

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Bibliographic Details
Published in:IEEE microwave and wireless technology letters (Print) 2024-01, Vol.34 (1), p.1-4
Main Authors: Sun, Jiwen, Shi, Jianing, Zhu, Lin, Cao, Qunsheng
Format: Article
Language:English
Subjects:
Active design
Broadband
Frequency ranges
Inductors
Linear polarization
Metals
multimode radar cross section reduction (RCSR)
Phase change materials
PIN photodiodes
Radar cross sections
reconfigurable polarization converter (RPC)
Reconfiguration
Strips
Switches
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Summary:A reconfigurable polarization converter (RPC) consisting of an asymmetrical Jerusalem Cross incorporated with two p-i-ns, an air space, and a metal ground is proposed. The active design enables the structure to convert an incident linearly polarized wave to its orthogonal counterpart from 2.93 to 7.79 GHz when the p-i-ns are switched on, and by flipping the working state of p-i-ns, high-efficiency reflection is achieved in the frequency range of 2-6.78 GHz. Afterward, the designed RPCs are arranged in chessboard form to achieve multimode radar cross section reduction (RCSR) including high-efficiency reflection, 10 dB RCSR, half-size reflection, and their combined modes for different polarized normal incidence. Simulations are carried out to verify the design scheme, and measurements are performed on a fabricated prototype to validate the multimode RCSR design in broadband.
ISSN:2771-957X
2771-9588
DOI:10.1109/LMWT.2023.3333194