News tagged with optical properties

New material promises faster electronics

The novel material graphene makes faster electronics possible. Scientists at the Faculty of Electrical Engineering and Information Technology at the Vienna University of Technology (TU Vienna) developed light-detectors ...

dateJun 28, 2011 in Nanomaterials
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Nanotubes behave as optical antennae

(PhysOrg.com) -- Just as walkie-talkies transmit and receive radio waves, carbon nanotubes can transmit and receive light at the nanoscale, Cornell researchers have discovered.

dateDec 21, 2010 in Nanomaterials
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Optical water quality assessment

Scientists at the U.S. Geological Survey (USGS) have proven that measuring fluorescence could improve source water monitoring during a study of the McKenzie River in Oregon. The study was designed to assess ...

dateDec 14, 2010 in Environment
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Gold and silver nano baubles

They might just be the smallest Christmas tree decorations ever. Tiny spherical particles of gold and silver that are more than 100 million times smaller than the gold and silver baubles used to decorate seasonal fir trees ...

dateDec 03, 2010 in Nanomaterials
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Extreme lasers at work

Under extremely intense illumination materials may exhibit so-called nonlinear optical properties such as ceasing to absorb light beyond a certain brightness, or becoming highly ionized. Yasumasa Hikosaka, ...

dateNov 26, 2010 in General Physics
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Great potential with new ultra-clean nanowires

New ultra-clean nanowires produced at the Nano-Science Center, University of Copenhagen will have a central role in the development of new high-efficiency solar cells and electronics on a nanometer scale. ...

dateNov 09, 2010 in Nanophysics
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