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Ideal Photonic Crystals Discovered in Scales of Brazilian Beetle

waybomb

Well-known member
GOLD Site Supporter
PHOTONIC BEETLE
Researchers have been unable to build an ideal photonic crystal, or
"champion" crystal, impeding the dream of ultrafast optical computers
that run on light (photons) instead of electricity (electrons). But
now, University of Utah chemists have discovered that photonic crystals
with the ideal, diamond-like structure are found in the iridescent
green scales of the Lamprocyphus augustus beetle from Brazil.

The beetle's sparkling green color is produced by the crystal structure
of its scales, which are made of chitin (what forms the exoskeleton of
most insects). The crystal structure of the scale material is a
diamond-like architecture with building blocks of chitin and air,
instead of carbon atoms in diamonds. The researchers are now trying to
design a synthetic version of the beetle's photonic crystals.

Read more here: http://link.abpi.net/l.php?20080605A2
 
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