Some Properties of Regular Crypto H(l)-abundant Semigroups

Wang, Lili; Wang, Aifa

doi:10.2991/eeic-13.2013.97

Cited by 1 publication

(1 citation statement)

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“…Independent manipulation of the electric and magnetic responses through structural engineering for a frequency-selective absorption, which is usually not available in natural occurring materials, is an important advance of metamaterials [1][2][3]. Since the first introduction in 2008, the novel concept of metamaterial absorbers (MMAs) has gained a huge attention and rapidly ©2021 Vietnam Academy of Science and Technology developed not only for fundamental knowledge but also for the desire of using advanced materials in sensing, energy harvesting, and radiation probing based applications [4][5][6]. Generally, the interactions of light with MMAs can be described in terms of transmission, reflection, and absorption.…”

Section: Introductionmentioning

confidence: 99%

Angle-Insensitive Microwave Metamaterial Absorbers Operating at Transmission Mode

Huynh¹,

Vu²,

Nguyễn³

2020

Comm. Phys.

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Metamaterial absorbers with the resonator/dielectric/metallic-mirror conventional design are often angle-dependent and completely reflective outside the absorption band. Here we propose a novel solution to achieve an angle-insensitive bidirectional absorber operating at the transmission mode using a simple metamaterial system. The proposed system is composed of two symmetric disk-pair layers, called the disk-pair dimer, that exhibit two identical but coupled magnetic resonances at the same frequency. This unique design allows to absorb the electromagnetic energy at the transmission mode, which is rarely achievable in conventional ones. By optimizing the coupling strength between two disk-pair layers, the total absorptivity can be enhanced up to 90%.

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