An Infrared Spatial and Frequency Selective Metamaterial Perfect Absorber
arXiv:1002.1974 · doi:10.1103/PhysRevLett.104.207403
Abstract
We demonstrate, for the first time, a spatially dependent metamaterial perfect absorber operating in the infrared regime. We achieve an experimental absorption of 97% at a wavelength of 6.0 microns, and our results agree well with numerical full-wave simulations. By using two different metamaterial sublattices we experimentally demonstrate a spatial and frequency varying absorption which may have many relevant applications including hyperspectral sub-sampling imaging
4 pages, 3 figures
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