Towards the fluorescence resonance energy transfer(FRET) scanning near-field optical microscopy: Investigation of nanolocal FRET processes and FRET probe microscope 3

S. K. Sekatskiǐ, George Shubeita, M. Chergui, G. Dietler, B. N. Mironov, D. A. Lapshin, V. S. Letokhov

Research output: Contribution to journalArticle

Abstract

The fluorescence resonance energy-transfer(FRET) process is investigated between donor dye molecules deposited on the sample surface and acceptor dye molecules deposited on the tips of scanning near-field and atomic force microscopes. The FRET process was observed only when the tip acquired contact with the sample and took place in regions of sizes of only a few tens of nanometers with only a few thousands(or even hundreds) of molecules involved. The dependence of the FRET intensity on the tip-sample acting force is recorded and interpreted. In relation to the obtained results, the construction of a previously proposed one-atom FRET SNOM is described.

Original languageEnglish (US)
Pages (from-to)769-777
Number of pages9
JournalJournal of Experimental and Theoretical Physics
Volume90
Issue number5
DOIs
StatePublished - Jan 1 2000

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resonance fluorescence
near fields
energy transfer
microscopes
microscopy
scanning
probes
dyes
molecules
atoms

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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Towards the fluorescence resonance energy transfer(FRET) scanning near-field optical microscopy : Investigation of nanolocal FRET processes and FRET probe microscope 3. / Sekatskiǐ, S. K.; Shubeita, George; Chergui, M.; Dietler, G.; Mironov, B. N.; Lapshin, D. A.; Letokhov, V. S.

In: Journal of Experimental and Theoretical Physics, Vol. 90, No. 5, 01.01.2000, p. 769-777.

Research output: Contribution to journalArticle

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AU - Lapshin, D. A.

AU - Letokhov, V. S.

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