News tagged with laser light

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Guiding the random laser

At its most basic level, a random laser is precisely what its name implies; random. It's random in the spectrum of light it produces and in the way that light is emitted, making what could be an extremely versatile laser ...

dateOct 27, 2017 in Optics & Photonics
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Chemical treatment improves quantum dot lasers

One of the secrets to making tiny laser devices such as opthalmic surgery scalpels work even more efficiently is the use of tiny semiconductor particles, called quantum dots. In new research at Los Alamos National Laboratory's ...

dateOct 16, 2017 in Nanophysics
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Holograms for molecules

Much can be detected in blood or urine: viral illnesses, metabolic disorders or autoimmune diseases can be diagnosed with laboratory tests, for instance. But such examinations often take a few hours and are quite complex, ...

dateSep 25, 2017 in Nanophysics
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