Passive time-varying waveform-selective metasurfaces for attainment of magnetic property control

被引：0

作者：

Kunitomo, Yuki ^{[1
]}

Takimoto, Kairi ^{[1
]}

Vellucci, Stefano ^{[2
]}

Monti, Alessio ^{[3
]}

Barbuto, Mirko ^{[2
]}

Toscano, Alessandro ^{[3
]}

Bilotti, Filiberto ^{[3
]}

Ramachandran, Tayaallen ^{[1
]}

Njogu, Peter Muthondio ^{[1
]}

Dang, Phuc Toan ^{[1
]}

Wakatsuchi, Hiroki ^{[1
]}

机构：

[1] Nagoya Inst Technol, Dept Engn, Nagoya, Aichi 4668555, Japan

[2] Niccolo Cusano Univ, Dept Engn, Via Don Carlo Gnocchi 3, I-00166 Rome, Italy

[3] Roma Tre Univ, Dept Ind Elect & Mech Engn, Via Vito Volterra 62, I-00146 Rome, Italy

来源：

APL MATERIALS | 2024年 / 12卷 / 11期

基金：

日本科学技术振兴机构;

关键词：

TRANSMISSION; REFLECTION; FREQUENCY;

D O I：

10.1063/5.0230438

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We present circuit-loaded metasurfaces that behave differently in a passive manner even at the same frequency in accordance with the incoming waveform, specifically its pulse width. Importantly, the time-varying waveform-selective metasurfaces reported thus far were mostly able to change their electric properties but not their magnetic properties; this severely limited the design range of their corresponding wave impedances and refractive indices and thus hindered the development of potential applications in antennas, sensors, imagers, signal processing, and wireless communications. In this study, passive time-varying waveform-selective metasurfaces were found to attain magnetic property control by introducing an additional circuit-loaded layer that generated an artificial magnetic dipole moment; this magnetic moment only occurred during the designed pulse duration in the time domain. Our proposed concept and structures were validated numerically and experimentally; thus, our results could be used to address electromagnetic and related issues sharing the same frequency component via the variation of the pulse width as an additional degree of freedom.

引用

页数：7