CST – Computer Simulation Technology

Infrared Spatial and Frequency Selective Metamaterial with Near-Unity Absorbance
Xianliang Liu, Tatiana Starr, Anthony F. Starr, Willie J. Padilla
Volume: 104, Issue: 20, 21 May 2010
207403-1 - 207403-4
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 m, 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 subsampling imaging.

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