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Random Lasers Fight Noise, Improve Imaging

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NEW HAVEN, Conn., May 1, 2012 — A new random laser illumination source for medical imaging equipment could improve the clarity and processing time of images, advancing the fields of microscopy and endoscopy. Current imaging systems rely on a variety of light sources — LEDs, specialty lightbulbs and traditional lasers. Traditional lasers, the brightest of these light sources, yield undesirable visual byproducts such as speckle, which looks like a snowfall pattern. To generate speckle-free images, Yale University scientists engineered a random laser that generates and emits light in a manner different from...Read full article

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    Published: May 2012
    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...
    spatial mode
    Also known as transverse mode. The configurations of energy storage, relative to the structure of a laser resonator, that define the relative intensity distribution of the laser beam.
    AmericasBiophotonicsConnecticutconsumer electronicsdigital light projection systemsendoscopyfaster image generationHui CaoImagingimaging applicationslaser background noiseLight Sourceslight-emitting diodeslightbulbmedical imagingMichael A. ChomaMicroscopyphotonicsrandom laserResearch & Technologyspatial modespeckleYale UniversityLasersLEDs

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