Imaging surfaces with a resolution below 100 nanometers using microspheres

Microscopes are conventionally used to image tiny features. However, their resolution is inherently limited by the wavelength of light. This limitation means that they can resolve only structures larger than a few hundred nanometers. Now, Leonid Krivitsky and Boris Luk'yanchuk at the A*STAR Data Storage Institute in Singapore and co-workers have demonstrated an alternative optical approach capable of mapping surfaces at resolutions below 100 nanometers.

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