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Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
Published on: December 27, 2012
Reduced reflection from roughened hyperbolic metamaterial
E E Narimanov1, H Li, Yu A Barnakov
1Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, USA.
Optics Express
|June 22, 2013
Abstract:
We show that roughened surfaces of hyperbolic metamaterials scatter light preferentially inside the media, resulting in a very low reflectance. This phenomenon of fundamental importance, demonstrated experimentally in arrays of silver nanowires grown in alumina membranes, is consistent with a broad-band singularity in the density of photonic states. It paves the road to a variety of applications ranging from the stealth technology to high-efficiency solar cells and photodetectors.
