期刊
PHYSICA SCRIPTA
卷 97, 期 11, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1402-4896/ac980a
关键词
polarization sensitive; polarization conversion; RCS reduction; absorber
资金
- Fundamental Research Funds for the Central Universities from China [2022CXZZ101]
In this paper, a polarization-sensitive absorption and transmission polarization conversion multifunctional metasurface is designed, which can modulate and convert electromagnetic waves with different polarizations. The proposed design is verified through optimization and experimental measurements.
In this paper, a polarization-sensitive absorption and transmission polarization conversion multifunctional metasurface is designed. Based on the principle of Fabry-Borot antenna, the modulation of electromagnetic waves with different polarizations is realized. Receiver-transmitter structure consisting of rectangular metal patches on the front and back sides . Cross-polarization conversion of Y-polarized waves was achieved at 8.9-15.2 GHz. In combination with the open-slit elliptical structure, selective absorption of X-polarization can be achieved, thus realizing the radar cross-section(RCS) reduction of the target. The absorption operates in the frequency band of 8.3-13.9 GHz. Electromagnetic waves of different polarizations do not affect each other in the modulation of the same structure and operate in almost the same frequency band. To verify the proposed structure, the relevant parameters were optimized and measured. The experimental results match with the simulation results, and the design can be used for radome and electromagnetic stealth.
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