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Three-dimensional mapping of near-field interactions via single-photon tomography

  • Benjamin D. Mangum
  • , Eyal Shafran
  • , Chun Mu
  • , Jordan M. Gerton

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

We demonstrate a near-field tomography method for investigating the coupling between a nanoscopic probe and a fluorescent sample. By correlating the arrival of single fluorescence photons with the lateral and vertical position of an oscillating tip, a complete three-dimensional analysis of the near-field coupling Is achieved. The technique is used to reveal a number of interesting three-dimensional near-field features and to improve image contrast In tip-enhanced fluorescence microscopy.

Original languageEnglish
Pages (from-to)3440-3446
Number of pages7
JournalNano Letters
Volume9
Issue number10
DOIs
StatePublished - 14 Oct 2009
Externally publishedYes

ASJC Scopus subject areas

  • Bioengineering
  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics
  • Mechanical Engineering

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