April 7, 2014
University of Central Florida (UCF) scientists have created the first large-area metamaterial (cloaking material) for the visible-light spectral range*.
Controlling and bending light around an object so it appears invisible to the naked eye is the theory behind fictional invisibility cloaks. But so far, cloaking has been mainly limited to the microwave region or to micron-scale (millionths of a meter) objects in the visible-light region.
But UCF assistant… read more