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Photonic Structure Increases Light Bulb Efficiency

Posted by Hemos on from the bulb-bulb-burning-bright dept.

An Anonymous Coward writes "A new experimental microscopic tungsten lattice can increase the efficiency of an incandescent electric bulb from 5 percent to greater than 60 percent. This is done by converting waste heat into visible light. "

1 of 226 comments (clear)

  1. Question by friday2k · · Score: 2, Troll

    According to the article "The work was performed with a photonic crystal operating in the mid-infrared range". Though the author states further that there are no known obstacles to downgrade into the visible light range, why did they start in the Infrared spectrum to begin with?