Influence of Structural Parameters on a Novel Metamaterial Absorber Structure at K-band Frequency

Cuong, Tran Manh; Thủy, Nguyễn Thị; Tuấn, Lê Anh

doi:10.1007/s11664-016-4426-4

Cited by 9 publications

(3 citation statements)

References 15 publications

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“…At present, EMMs have become one of the hotspots in the field of electromagnetics, which also provides researchers with new ideas for improving the invisibility of weapons and equipment [12][13][14][15]. In fact, EMMs are new artificial materials composed of periodic sub-wavelength structural units, which have different electromagnetic properties from those of traditional materials [16,17], and can perform functions that ordinary conventional materials cannot [18][19][20][21]. Based on the structural design idea of EMMs, Landy et al reported the first perfect metamaterial absorber (MMA) in the microwave region [22].…”

Section: Introductionmentioning

confidence: 99%

Dual-band metamaterial absorber with stable absorption performance based on fractal structure

Fang¹,

Deng²,

Zhang³

et al. 2021

J. Phys. D: Appl. Phys.

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In this paper, two kinds of dual-band metamaterial absorbers (MMAs) with stable absorption performance based on fractal structures are proposed. As the key feature, with the increase in fractal order, the fractal MMAs can reduce the weight while keeping the absorption performance. The multi-band absorption property is analyzed by multiple L-C resonances generated by the fractal structure. By virtue of good impedance matching characteristics and the synergy of the circuit and electromagnetic resonance, effective and stable microwave absorption is readily achieved. Finally, two prototypes are fabricated for demonstration, and the measurement result is consistent well with the simulation one. As expected, the proposed fractal MMAs have the advantage of low-cost, light-weight, and dual-effective absorption bands, and have great potential in the application of multi-band radar stealth.

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Section: Introductionmentioning

confidence: 99%

Dual-band metamaterial absorber with stable absorption performance based on fractal structure

Fang¹,

Deng²,

Zhang³

et al. 2021

J. Phys. D: Appl. Phys.

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“…The extraordinary electromagnetic parameters including negative permittivity and negative refractive index are achieved by designing the arrangement and geometrical parameters of the unit cells. Therefore, metamaterials have important applications in many fields, such as perfect absorbers [3][4][5], polarization converters [6][7][8], beam controllers [9,10]. Electromagnetically induced transparency (EIT) is a physical phenomenon that was originally observed in an atomic system with multiple energy levels [11].…”

Section: Introductionmentioning

confidence: 99%

A high Q-factor metamaterial sensor based on electromagnetically induced transparency-like

Shen,

Zhang,

Zhang

2024

Mater. Res. Express

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This paper proposes the electromagnetically induced transparency-like (EIT-like) metamaterial with a high-quality factor (143.54), which consists of a square ring resonator (SRR) and a cross-shaped resonator (CR). The designed metamaterial generates a sharp transparency peak at 15.79 GHz. The electric field distributions reveal that appearance of the transparency window is caused by the coupling between bright mode and dark mode. Meanwhile, analysis of the surface current distributions verifies that the EIT-like effect is induced via the destructive interference of the electric dipoles . In addition, the metamaterial is equated to a circuit model, which provides a better fit to the simulated transmission spectrum. These theories fully explain the generation of the EIT-like phenomenon. Furthermore, the EIT-like metamaterial is able to detect the dielectric constant of the target analyte (glucose solution), and the sensing performance is calculated. The results demonstrate that the sensitivity (S) is 4.80 GHz/RIU and the figure of merit (FOM) reaches to 43.71. The proposed EIT-like metamaterial shows prominent sensing abilities, consequently it has potential applications in environmental monitoring, biological and chemical measurements.

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“…This kind of material possesses special electromagnetic properties that do not appear in conventional materials [1][2][3], which is why metamaterials may offer potential applications in military and advanced technologies. The ability of this metamaterial in controlling electromagnetic waves or optical properties can help developing many applications such as biosensors, super lens, shielding room or improving the performance of solar cells and antennas [1,[4][5][6][7][8] and in particular, the possibility of metamaterial changing the direction of the electromagnetic wave that can lead to the applications of electromagnetic cloaking and invisible objects [9][10][11]. Along with this development, the absorber metamaterials have been attracting a lot of research groups worldwide by its potential applications in absorbing the electromagnetic wave and in its possibility for the graphene perfect absorbers [9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Two-layered Dual-band Perfect Metamaterial Absorber at K band Frequency

Tran

Phuong

2018

AEM

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Influence of Structural Parameters on a Novel Metamaterial Absorber Structure at K-band Frequency

Cited by 9 publications

References 15 publications

Dual-band metamaterial absorber with stable absorption performance based on fractal structure

Dual-band metamaterial absorber with stable absorption performance based on fractal structure

A high Q-factor metamaterial sensor based on electromagnetically induced transparency-like

Two-layered Dual-band Perfect Metamaterial Absorber at K band Frequency

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