Scientists build the world's first anti-laser
17 February 2011
Last updated at 18:58 GMT
Scientists build the world's first anti-laser
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Physicists have built the world's first device that can cancel out a laser beam - a so-called anti-laser.
The device, created by a team from Yale University, is capable of absorbing an incoming laser beam entirely.
But this is not intended as a defence against high-power laser weapons, the researchers said.
Instead they think it could be used in next-generation supercomputers which will be built with components that use light rather than electrons.
Professor Douglas Stone and colleagues at Yale University had initially been developing a theory to explain which materials could be used as the basis of lasers.
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