News tagged with semiconductor lasers

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New laser -- it's a gas, gas, gas... sensor

(PhysOrg.com) -- A new generation of optical sensors is enabling the development of robust, long-lasting, lighting-fast trace gas detectors for use in a wide range of industrial, security and domestic applications.

dateDec 04, 2009 in Engineering
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Tiny lasers get a notch up

Tiny disk-shaped lasers as small as a speck of dust could one day beam information through optical computers. Unfortunately, a perfect disk will spray light out, not as a beam, but in all directions. New theoretical results, ...

dateJan 22, 2009 in General Physics
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