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CCNY physicists demonstrate photonic hypercrystals for control of light-matter interaction
CCNY physicists photonic hypercrystals light-matter interaction
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...
UMD Physicists Discover “Smoke Rings” Made of Laser Light（图）
UMD Physicists Smoke Rings Laser Light
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...
Physicists Break Color Barrier for Sending, Receiving Photons（图）
Physicists Color Barrier Photons
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...