Ultrathin silicon surface steers and reshapes light in 74 femtoseconds
Reported bySciTechDaily ↗·Sourced by Goodlede
Caltech researchers developed a metasurface—an ultrathin patterned silicon layer—that can redirect and reshape light beams in 74 femtoseconds (quadrillionths of a second) using the optical Kerr effect. Laboratory tests redirected light beams by up to 13 degrees while maintaining programmable control through changing illumination patterns.
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