Infrared Spatial and Frequency Selective Metamaterial with Near-Unity Absorbance
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- 19 May 2010
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 104 (20), 207403
- https://doi.org/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 , 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. DOI: http://dx.doi.org/10.1103/PhysRevLett.104.207403 © 2010 The American Physical Society
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