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Flat lens, optics from metamaterials

11-06-2016 11:27pm

#1

Capt'n Midnight

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http://www.bbc.com/news/science-environment-36438686

A flat lens made of paint whitener on a sliver of glass could revolutionise optics, according to its US inventors.
...
The lens is quite unlike the curved disks of glass familiar from cameras and binoculars. Instead, it is made of a thin layer of transparent quartz coated in millions of tiny pillars, each just tens of nanometres across and hundreds high.

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