An Infrared Spatial and Frequency Selective Metamaterial Perfect Absorber

Details An Infrared Spatial and Frequency Selective Metamaterial Perfect Absorber An Infrared Spatial and Frequency Selective Metamaterial Perfect Absorber

2010-02-10

arxiv.org/abs/1002.1974v2

Phys. Rev. Lett. 104, 207403 (2010)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures

Scientific paper

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

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