Fig. 13: Superresolution microscopy based on superoscillatory lenses.

a An SEM image of a cluster of 210 nm nanoholes in a metal film. b An image of the cluster obtained with a conventional microscope with NA = 1.4. c An SOL image of the nanohole cluster (dashed circles map the positions of the holes). Reproduced with permission from ref. ⁶² Copyright 2012, Springer Nature. d An SEM image of a cluster of 163 nm nanoholes in a metal film. e An image of the cluster obtained with a laser scanning confocal microscope. f An SCL image of the nanohole cluster. Reproduced with permission from ref. ¹²¹ Copyright 2017, John Wiley and Sons. g An SEM image of a subdiffraction grating with a linewidth of approximately 180 nm. h An image of the grating obtained with a conventional microscope with NA = 0.9. i A diffractionless SOL image of the grating obtained in the confocal setup with a conventional microscope with NA = 0.9