Multi-Frequency Perfect Absorption by Ultra-Thin Time-Modulated Metasurfaces

被引：1
|
作者：
Mostafa, M. H. [1 ]
Diaz-Rubio, A. [1 ]
Mirmoosa, M. S. [1 ]
Tretyakov, S. A. [1 ]
机构：
[1] Aalto Univ, Dept Elect & Nanoengn, Maarintie 8, Espoo 02150, Finland
来源：
2021 FIFTEENTH INTERNATIONAL CONGRESS ON ARTIFICIAL MATERIALS FOR NOVEL WAVE PHENOMENA (METAMATERIALS) | 2021年
基金：
芬兰科学院;
关键词：
D O I：
10.1109/Metamaterials52332.2021.9577137
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Here, we study the interference phenomena produced in time-modulated metasurfaces when they are illuminated by multiple harmonics opening a new paradigm of coherent time-modulated metasurfaces. In particular, we obtain perfect absorption at multiple frequencies by inducing slow time modulation of a resistive sheet. Also, it will be shown that it is possible to fully tune the absorption by properly designing the modulation parameters.
引用
收藏
页码：X293 / X295
页数：3
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