基于等离子体杂化的超宽带超吸收材料

2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics Pub Date : 2014-11-06 DOI:10.1109/METAMATERIALS.2014.6948642

Michaël Lobet, Luc Henrard

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引用次数: 5

摘要

我们提出了一种超材料超吸收材料，它在0.20-5.99 μm的工作带宽范围内有效吸收入射辐射，综合吸收率高达97.1%。金字塔形金属介电层(Au/Si)的周期性阵列作为宽带耦合等离子体谐振器。偶极模式的等离子体杂化被证明是宽带吸收的主要机制。

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Metamaterials for ultra-broadband super absorbers based on plasmon hybridization

We propose metamaterial super absorbers that efficiently absorb incoming radiation over an operational bandwidth ranging from 0.20-5.99 μm with an integrated absorption as high as 97.1%. A periodic array of pyramidal metal-dielectric (Au/Si) layers acts as broadband coupled plasmonic resonators. Plasmon hybridization of dipolar modes is shown to be the prominent mechanism in broadband absorption.

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2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics

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