Fluorescence imaging in near-field optical microscopy: influence of the molecule excitation rate

A simple modeling for the imaging by a near-field microscope for buried saturated fluorescent molecules is given. The presence of both interface and probe influences the lifetime of the excited level. Depending on the molecule excitation rate, these modifications of lifetime can involve characterist...

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Veröffentlicht in:	Optics communications 1998-11, Vol.156 (1), p.92-100
Hauptverfasser:	Pastré, D., Grossel, Ph, Troyon, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic and molecular physics Exact sciences and technology Fluorescence and phosphorescence spectra Fluorescence and phosphorescence radiationless transitions, quenching (intersystem crossing, internal conversion) Instruments, apparatus, components and techniques common to several branches of physics and astronomy Lifetime variations Molecular properties and interactions with photons Near-field microscopy Near-field scanning optical microscopes Physics Scanning probe microscopes, components and techniques
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Zusammenfassung:	A simple modeling for the imaging by a near-field microscope for buried saturated fluorescent molecules is given. The presence of both interface and probe influences the lifetime of the excited level. Depending on the molecule excitation rate, these modifications of lifetime can involve characteristic intensity diagrams of the light emission during the scanning of a single molecule.
ISSN:	0030-4018 1873-0310
DOI:	10.1016/S0030-4018(98)00422-2