News tagged with absorption

How to make a "perfect" solar absorber

The key to creating a material that would be ideal for converting solar energy to heat is tuning the material's spectrum of absorption just right: It should absorb virtually all wavelengths of light that ...

Sep 29, 2014
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Modified theory of dark matter

Dark matter is an aspect of the universe we still don't fully understand. We have lots of evidence pointing to its existence (as I outlined in a series of posts a while back), and the best evidence we have point ...

Sep 12, 2014
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Addressing the weak optical absorption of graphene

Graphene-based photodetectors have attracted strong interest because of their exceptional physical properties, which include an ultra-fast response across a broad spectrum, a strong electron–electron interaction ...

Sep 10, 2014
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New laser lab on wheels to reduce emissions

The DIAL (Differential Absorption Lidar) facility is a sophisticated laser-based system that provides rapid, accurate measurements of airborne emissions. It is a completely self-contained mobile laboratory ...

Jun 02, 2014
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