Near-field optical microscope image formation

A theoretical and experimental study

A. V. Zvyagin*, J. D. White, M. Ohtsu

*Corresponding author for this work

Research output: Contribution to journalArticle

13 Citations (Scopus)


A quantitative comparison between theory and experiment has been carried out for a collection-mode near-field optical microscope. A 30-nm (lateral dimension) cylindrical dielectric sample was imaged. This image was compared with the result of theoretical calculations that used a classical macroscopic nonglobal model based on the excitation theorem. Good agreement was obtained, with image inversion, edge enhancement, and edge asymmetry correctly predicted.

Original languageEnglish
Pages (from-to)955-957
Number of pages3
JournalOptics Letters
Issue number13
Publication statusPublished - 1 Jul 1997
Externally publishedYes

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