Light: Science & Applications

Pyramid scheme for brighter organic LEDs

The most common kind of light bulb in the United States—the incandescent—is only about 5 percent efficient. The phosphorescent organic light-emitting diode, on the other hand, makes light out of 100 percent of the electricity ...

dateJun 20, 2014 in Energy & Green Tech
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Guiding the random laser

At its most basic level, a random laser is precisely what its name implies; random. It's random in the spectrum of light it produces and in the way that light is emitted, making what could be an extremely versatile laser ...

dateOct 27, 2017 in Optics & Photonics
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Deep learning reconstructs holograms

Deep learning has been experiencing a true renaissance especially over the last decade, and it uses multi-layered artificial neural networks for automated analysis of data. Deep learning is one of the most exciting forms ...

dateOct 16, 2017 in General Physics
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Imaging at the speed of light

Tiny micro- and nanoscale structures within a material's surface are invisible to the naked eye, but play a big role in determining a material's physical, chemical, and biomedical properties.

dateMar 14, 2017 in Optics & Photonics
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