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    Researchers Discover New Material that Emits Light When Heated, Exceeding Limits of Natural Law

    Researchers Discover New Material that Emits Light When Heated, Exceeding Limits of Natural Law

    Source： ledinside.com 07 Apr 2020
    Rensselaer Polytechnic Institute new light emitting material

    Could there be a new kind of light in the universe? Since the late 19th century, scientists have understood that, when heated, all materials emit light in a predictable spectrum of wavelengths. But a new research published in Nature Scientific Reports by researchers at Rensselaer Polytechnic Institute presented a material that emits light when heated that appears to exceed the limits set by that natural law.

    The new material discovered by Shawn Yu Lin, lead author and a professor of physics at Rensselaer Polytechnic Institute, defies the theory proposed by Max Planck in 1900, which mathematically described a pattern of radiation. The material emits a coherent light similar to that produced by lasers or LEDs, but without the costly structure needed to produce the stimulated emission of those technologies. In addition to the spectroscopy study just published in Nature Scientific Reports, Lin previously published an imaging study in IEEE Photonics Journal. Both show a spike in radiation at about 1.7µm, which is the near-infrared portion of the electromagnetic spectrum.

     

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