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Hamamatsu Corp. - Earth Innovations LB 2/24

Optics Make Lasers Safer in the Long Run

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Hank Hogan, Contributing Editor, [email protected]

Originally characterized as a solution in search of a problem, lasers now are the answer to a host of problems. Two recent examples show just how laser optics enable new applications. One promises to make a common safety tool – the light barrier – better able to handle long runs, while the second could allow laser-powered precise microsurgery without harmful heating. Both are possible because of lasers, detectors and the application of the appropriate optics. A light barrier (schematic shown on top, actual setup on bottom) consisting of two line lasers and a photodetector array forms a...Read full article

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    Published: November 2008
    Glossary
    light
    Electromagnetic radiation detectable by the eye, ranging in wavelength from about 400 to 750 nm. In photonic applications light can be considered to cover the nonvisible portion of the spectrum which includes the ultraviolet and the infrared.
    FeaturesLaser Opticslightlight barrierSensors & Detectors

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