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- Title
Controllable Fano-like Resonance in Terahertz Planar Meta-Rotamers.
- Authors
Jo, Subin; Bae, Min-Gyu; Lee, Joong-Wook
- Abstract
Meta-molecules composed of meta-atoms exhibit various electromagnetic phenomena owing to the interaction among the resonance modes of the meta-atoms. In this study, we numerically investigated Fano-like-resonant planar metamaterials composed of meta-molecules at terahertz (THz) frequencies. We present meta-rotamers based only on the difference in the spatial position of their component meta-atoms (C- and Y-shapes) that can be interconverted by rotations and have tunable Fano-like resonance. This is because of the cooperative effects determined by the spatial coupling conditions of the nodes and antinodes of electric-dipole and inductive–capacitive (LC) resonances of the meta-atoms. The findings of this study provide potential options for exploring novel THz devices and for engineering high-level functionalities in metamaterial-based devices.
- Subjects
RESONANCE; TERAHERTZ spectroscopy; METAMATERIALS; PLASMA waves
- Publication
Applied Sciences (2076-3417), 2021, Vol 11, Issue 21, p9796
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app11219796