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Optics and photonics

Optics and photonics

New metasurface lens banishes chromatic aberration

17 Jul 2020
Schematic drawing of the metalens
Not an aberration: schematic drawing of the metalens (left), which is made of tiny titanium waveguides. The drawing on the right is of a single waveguide. (Courtesy Boubacar Kanté)
A new type of metasurface lens developed by US researchers is far less susceptible to optical disper

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Tim Wogan is a science writer based in the US
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