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    phosphors tagged posts

    New way to control Light from Phosphorescent emitters at very high speeds

    October 23, 2015, Categories  Physics, Technology/Electronics

    Phosphors are efficient light emitters but they're not optimal for high-speed communications because they turn on and off slowly. Researchers from Brown and Harvard have now found a way to modulate light from phosphor emitters three orders of magnitude faster using phase-change materials (VO2, in this case), which could make phosphors useful in a range of new optoelectronic applications. Credit: Zia Lab / Brown University

    Phosphors are efficient light emitters but they’re not optimal for high-speed communications because they turn on and off slowly. Researchers from Brown and Harvard have now found a way to modulate light from phosphor emitters three orders of magnitude faster using phase-change materials (VO2, in this case), which could make phosphors useful in a range of new optoelectronic applications. Credit: Zia Lab / Brown University

    The technique provides a new approach to modulation useful in silicon-based nanoscale devices, including computer chips and other optoelectronic components.

    Phosphors are efficient light emitters (eg light bulbs, LEDs) but they’re not optimal for high-speed communications because they turn on and off slowly...

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