Limit of diffractionformula

Zheludev, N. What diffraction limit?. Nature Mater 7, 420–422 (2008). https://doi.org/10.1038/nmat2163

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Abbediffraction limitderivation

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Several approaches are capable of beating the classical 'diffraction limit'. In the optical domain, not only are superlenses a promising choice: concepts such as super-oscillations could provide feasible alternatives.

Nikolay I. Zheludev is at the Optoelectronics Research Centre, University of Southampton, Highfield, Southampton SO17 1BJ, UK. n.i.zheludev@soton.ac.uk,