News tagged with antennae

Chips that can steer light

If you want to create a moving light source, you have a few possibilities. One is to mount a light emitter in some kind of mechanical housing—the approach used in, say, theatrical spotlights, which stagehands swivel and ...

dateJan 09, 2013 in Optics & Photonics
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Bimetallic nanoantenna separates colors of light

Researchers at Chalmers University of Technology have built a very simple nanoantenna that directs red and blue colours in opposite directions, even though the antenna is smaller than the wavelength of light. The findings ...

dateSep 23, 2011 in Nanophysics
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