Wednesday, December 12, 2012

Cylindrical Fresnel lenses based on carbon nanotube forests

(author unknown)



Haider Butt, Ranjith Rajesekharan, and Qing Dai et al.

The forests of carbon nanotubes have been termed as the darkest man-made materials. Such materials exhibit near-perfect optical absorption (reflectance ∼ 0.045%) due to low reflectance and nanoscale surface roughness. We have demonstrated the utilization of these perfectly absorbing forests to pro ... [Appl. Phys. Lett. 101, 243116 (2012)] published Wed Dec 12, 2012.



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