Sunday, August 2, 2009

Smoothing The Way For Light

Image: Guiding light: Silver films patterned with structures like this pyramid guide light along their surface and concentrate it at the tips. This structure’s surface is very smooth, which prevents scattering. Credit: Science/American Association for the Advancement of Science

From Technology Review:

A technique makes smooth metal films for optical computing and imaging.

Researchers at the University of Minnesota have developed a cheap way to repeatedly make very smooth nanopatterned thin films. The advance could have implications for making devices--such as more efficient solar cells, higher-resolution microscopes, and optical computers--that use light in an unconventional way.

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