Broadband metamaterial absorber based on coupling resistive frequency selective surface.
TLDR
Both qualitative analysis by equivalent circuit and accurate numeric calculation show that the coupling between the crisscross and the fractal square patch can enhance the bandwidth with the reflectivity below -10dB in the frequency range of 2-18GHz by producing a third absorption null.Abstract:
We report the design, fabrication, and measurement of a broadband metamaterial absorber, which consists of lossy frequency selective surface (FSS) and a metallic ground plane separated by a dielectric layer. The compact single unit cell of the FSS contains crisscross and fractal square patch which couple with each other. Both qualitative analysis by equivalent circuit and accurate numeric calculation show that the coupling between the crisscross and the fractal square patch can enhance the bandwidth with the reflectivity below −10dB in the frequency range of 2-18GHz by producing a third absorption null. In the end, the designed absorber was realized by experiment.read more
Citations
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Journal ArticleDOI
Frequency Selective Surfaces: A Review
TL;DR: In this article, the authors provide an overview of basic concepts, types, techniques, and experimental studies of the current state-of-the-art Frequency Selective Surfaces (FSSs).
Journal ArticleDOI
3-D Frequency Selective Rasorber: Concept, Analysis, and Design
Zhongxiang Shen,Jiang Wang,Bo Li +2 more
TL;DR: In this paper, a 3-dimensional frequency selective rasorber (FSR) is proposed, which consists of a 2-D periodic array of parallel waveguides with a metallic post in the center.
Journal ArticleDOI
Design, characterisation and fabrication of a broadband polarisation-insensitive multi-layer circuit analogue absorber
TL;DR: In this article, a broadband polarisation-independent circuit analogue absorber comprising multi-layer resistive frequency selective surfaces (FSS) is presented, which shows good matching with the full-wave analysis.
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Triple-band polarization-insensitive wide-angle ultra-miniature metamaterial transmission line absorber
TL;DR: In this paper, the authors report on the design, fabrication, and measurement of a triple-band absorber enhanced from a planar two-dimensional artificial metamaterial transmission line (TL) concept.
Journal ArticleDOI
High-Impedance Surface-Based Broadband Absorbers With Interference Theory
TL;DR: In this paper, a broadband and polarization-insensitive high-impedance surface (HIS) metamaterial absorber (MA) based on octagonal ring-shaped resistive patches is presented.
References
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Journal ArticleDOI
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Analysis and Design of Ultra Thin Electromagnetic Absorbers Comprising Resistively Loaded High Impedance Surfaces
TL;DR: In this paper, the effect of the surface resistance of the FSS and dielectric substrate characteristics on the input impedance of the absorber is discussed by means of a circuital model.
Journal ArticleDOI
Analysis and Design of Ultra Thin Electromagnetic Absorbers Comprising Resistively Loaded High Impedance Surfaces
TL;DR: In this paper, the effect of the surface resistance of the FSS and dielectric substrate characteristics on the input impedance of the absorber is discussed by means of a circuital model.
Journal ArticleDOI
Artificial magnetic metamaterial design by using spiral resonators
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