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Metasurfaces are a promising type of new nanophotonic technology. A metasurface was recently used at Harvard to create an ultrathin, flat lens that focuses light without imparting the optical distortions of conventional lenses. Credit: Artist's rendition courtesy of Francesco Aieta.

Read: Collaborative 'Metasurfaces' Grant to Merge Classical and Quantum Physics

For more information visit http://www.harvard.edu.

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