Optical super-resolution through super-oscillations

Fu Min Huang, Yifang Chen, F. Javier Garcia de Abajo, Nikolay I. Zheludev, Fumin Huang

Research output: Contribution to journalArticlepeer-review

103 Citations (Scopus)

Abstract

We demonstrate that a quasi-periodic array of nanoholes in a metal screen can focus light into subwavelength spots in the far-field without contributions from evanescent fields. The subwavelength spots were observed with a conventional optical microscope and mapped to the far-field. We relate the formation of subwavelength light localizations in the far-field to the phenomenon of super-oscillations. This effect offers a new way to achieve subwavelength imaging, which differs from approaches based on the recovery of evanescent fields.

Original languageEnglish
Pages (from-to)S285-S288
Number of pages4
JournalJournal of Optics A: Pure and Applied Optics
Volume9
Issue number9
DOIs
Publication statusPublished - Sep 2007

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