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CCNY physicists demonstrate photonic hypercrystals for control of light-matter interaction
CCNY physicists photonic hypercrystals light-matter interaction
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2017/7/20
Control of light-matter interaction is central to fundamental phenomena and technologies such as photosynthesis, lasers, LEDs and solar cells. City College of New York researchers have now demonstrate...
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UMD Physicists Discover “Smoke Rings” Made of Laser Light(图)
UMD Physicists Smoke Rings Laser Light
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2016/9/29
Most basic physics textbooks describe laser light in fairly simple terms: a beam travels directly from one point to another and, unless it strikes a mirror or other reflective surface, will continue t...
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Physicists Break Color Barrier for Sending, Receiving Photons(图)
Physicists Color Barrier Photons
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2010/10/13
University of Oregon scientists have invented a method to change the color of single photons in a fiber optic cable. The laser-tweaked feat could be a quantum step forward for transferring and receivi...