A new nanostructured material makes it possible to replace bulky lenses and other optical devices with a thin sheet of material such as silicon.
The advance, described in the journal Science, could make it possible to shrink some professional-quality camera lenses to the thickness of a credit card. It might also enable lighter-weight, more compact full-color holographic 3-D goggles, the sort being developed by Microsoft and the Google-acquired company Magic Leap (see “Magic Leap” and “Microsoft’s New Idea: A Hologram Headset to Rewrite Reality”).
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