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Triple-band metamaterial absorber based on single resonator

Title
Triple-band metamaterial absorber based on single resonator
Author
이영백
Keywords
Metamaterials; Resonance; Subwavelength structures; Nanostructures absorption
Issue Date
2017-06
Publisher
ELSEVIER SCIENCE BV
Citation
CURRENT APPLIED PHYSICS, v. 17, no. 10, page. 1260-1263
Abstract
The single resonator generally reveals a single absorption band, and the resonators with different sizes or shapes have to be arranged in order to achieve multi-absorption bands. We propose the triple-band metamaterial absorber by utilizing only single resonator. Meta-atoms are made of the toothed-wheel shape metallic pattern and a continuous metallic plane, separated by a dielectric layer. The first and the third absorption bands are induced by the fundamental and the third-harmonic magnetic resonances, respectively, and the second absorption band is induced by the magnetic resonance relevant to two grooves. In addition, the diffraction peak appears between the second and the third absorption bands, due to the surface currents which are separated between the upper and the lower metallic pattern parts. The proposed structure is scalable to smaller size for the infrared and the visible regimes. (C) 2017 Elsevier B.V. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S1567173917301864?via%3Dihubhttps://repository.hanyang.ac.kr/handle/20.500.11754/114403
ISSN
1567-1739; 1878-1675
DOI
10.1016/j.cap.2017.06.009
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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