Triple-band perfect metamaterial absorption, based on single cut-wire bar

Title
Triple-band perfect metamaterial absorption, based on single cut-wire bar
Author
이영백
Keywords
EXTRAORDINARY OPTICAL-TRANSMISSION; NEGATIVE-INDEX; ABSORBER; FREQUENCIES; CLOAK; Absorption spectra; Dielectric thin films; Magnetic resonance; Copper; Metamaterials
Issue Date
2015-02
Publisher
AMER INST PHYSICS
Citation
APPLIED PHYSICS LETTERS, v. 106, Page. 71105-71109
Abstract
"In general metamaterial perfect absorber, the single meta-pattern makes the single absorption band. Therefore, the multi-absorption bands need the corresponding kinds of meta-patterns. Here, we introduce the triple-band metamaterial perfect absorber utilizing only single kind of pattern. We also demonstrate the absorption mechanism of the triple perfect absorption. The first and the second absorption bands were induced by the fundamental magnetic resonance of the major and the minor axes, respectively, of cut-wire bar. The third peak was caused by the third-harmonic magnetic resonance of the major axis. Additionally, the unexpected third band was formed, which was the overlapping of the third absorption peak with another absorption peak, which was made by pairs of antiparallel currents parallel or antiparallel to the incident electromagnetic wave. (C) 2015 AIP Publishing LLC."
URI
http://scitation.aip.org/content/aip/journal/apl/106/7/10.1063/1.4913243http://hdl.handle.net/20.500.11754/22156
ISSN
0003-6951; 1077-3118
DOI
10.1063/1.4913243
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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