研究目的
To realize exotic electromagnetic properties in microwave and infrared regimes using a metasurface skin composed of subwavelength metallic gratings with space-variant orientations.
研究成果
The proposed multifunctional approach may provide a feasible alternative for surface coating in conformal camouflage applications, offering broadband microwave RCS reduction and thermal infrared invisibility simultaneously.
研究不足
The conformal property of metallic structures on irregularly shaped objects is a common problem for current metamaterials and metasurfaces.
1：Experimental Design and Method Selection:
Utilized equivalent circuit theory and transfer matrix method to describe optical fields and dispersion in a catenary form.
2：Sample Selection and Data Sources:
Designed a metasurface skin composed of subwavelength metallic gratings.
3：List of Experimental Equipment and Materials:
Used a measurement system with wideband horn antennas and a vector network analyzer for characterization.
4：Experimental Procedures and Operational Workflow:
Simulated and experimentally demonstrated broadband and wide-angle radar cross-section reduction.
5：Data Analysis Methods:
Analyzed the performance of the metasurface in terms of RCS reduction and thermal infrared invisibility.
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