Threading the needle: a tiny lens on the tip of an optical fibre. (Courtesy: University of Stuttgart) A new method for 3D-printing micro-sized, high-quality compound lenses directly onto image sensors ...
Contact lenses get pretty thin nowadays, but they’ve got nothing on a new lens from scientists at Stanford and the University of Amsterdam. The team has created the world’s thinnest lens, measuring ...
A new way to control light using liquid crystals has been developed by researchers in Japan, who believe that their method offers many of the advantages of an artificial “metasurface” while being much ...
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