Author： Zhao Yan
Publisher： NRC Research Press
ISSN： 1208-6045
Source： Canadian Journal of Physics, Vol.91, Iss.12, 2013-01, pp. : 1086-1089
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Abstract
The influence of size on absorption characteristics of a metamaterial absorber with a metallic grating as the top layer is investigated with computer simulation. The resonance absorption peak will redshift by increasing the width of the grating strip, and by adding either the dielectric layer thickness or the grating strip height, the resonance absorption will shift toward shorter wavelengths. The coupling effect between grating strips leads to a blue shift as the gap increases. Such characteristics may be useful to design a reflective wide-angle wavelength-selected device.
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