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Proceedings Paper

Laser-induced fluorescence saturation for binary mixtures of organic luminophores
Author(s): Svetlana V. Patsayeva; Victor I. Yuzhakov; Victor Varlamov
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Paper Abstract

The effect of fluorescence saturation under laser pulsed excitation appears as a non-linear response of emission signal versus intensity of excitation. The saturation becomes important when the rate of molecular excitation exceeds the rate of their deactivation. Typically the effect is noticeable when excitation photon flux ((rho) ) exceeds 1023 . . . 1024 cm-2s-1. We present the theory of fluorescence saturation under laser pulsed excitation for both quasi-stationary and non-stationary cases, as well as the experimental study on fluorescence saturation for of organic dyes in aqueous and ethanol solutions and in polymer film.

Paper Details

Date Published: 5 February 1999
PDF: 10 pages
Proc. SPIE 3732, ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, (5 February 1999); doi: 10.1117/12.340004
Show Author Affiliations
Svetlana V. Patsayeva, M.V. Lomonosov Moscow State Univ. (Germany)
Victor I. Yuzhakov, M.V. Lomonosov Moscow State Univ. (Russia)
Victor Varlamov, Institute of Ecology (Estonia)


Published in SPIE Proceedings Vol. 3732:
ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine
Andrey Yuri Chikishev; Victor N. Zadkov; Alexei M. Zheltikov, Editor(s)

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