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Proceedings Paper

Application of picosecond laser spectroscopy in investigation of initial stages of fluorescence quenching
Author(s): W. Augustyniak; Anthony A. Maciejewski; M. Sikorski; R. P. Steer; M. Szymanski
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Paper Abstract

The initial stage of fluorescence quenching (the transient quenching) has been studied for the S2-xantanione/3,3-diethylpentane/perfluoro-1,3-dimethylcyclohexane (as a donor/quencher/solvent, respectively) system. A picosecond time-correlated single photon counting system with a proximity type microchannel plate photomultiplier tube was used in dynamic studies of a strong time dependence of the transient quenching of S2-xanthione fluorescence. A satisfactory description of the data within the Smoluchowski-Collins-Kimball model has been obtained, permitting the determination of realistic values of the encounter radius, the sum of diffusion coefficients, and the intrinsic rate coefficient.

Paper Details

Date Published: 1 March 1995
PDF: 6 pages
Proc. SPIE 2202, Laser Technology IV: Research Trends, Instrumentation, and Applications in Metrology and Materials Processing, (1 March 1995); doi: 10.1117/12.203248
Show Author Affiliations
W. Augustyniak, A. Mickiewicz Univ. (Poland)
Anthony A. Maciejewski, A. Mickiewicz Univ. (Poland)
M. Sikorski, A. Mickiewicz Univ. (Poland)
R. P. Steer, Univ. of Saskatchewan (Canada)
M. Szymanski, A. Mickiewicz Univ. (Poland)


Published in SPIE Proceedings Vol. 2202:
Laser Technology IV: Research Trends, Instrumentation, and Applications in Metrology and Materials Processing

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