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Lasers Reveal Strange Properties of Superfluids

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PRINCETON, N.J., Dec. 27, 2006 -- Electrical engineers are using lasers to shed light on the behavior of superfluids -- strange, frictionless liquids that are difficult to create and study. Their technique allows them to simulate experiments that are difficult or impossible to conduct with superfluids. The odd behavior of particles in superfluids, which move together instead of at random, has been observed in light waves that pass through certain materials known as nonlinear crystals. The Princeton University team relied on this underappreciated correlation to use laser light as a substitute, or model, for superfluids in...Read full article

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    Published: December 2006
    Glossary
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    Basic ScienceCommunicationscondensed mattercrystalsIndustry EventsNews & FeaturesnonlinearphotonicsPrinceton UniversitySensors & Detectorsshock wavessuperfluidLasers

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