Abstract
The relation between the absorption coefficient of a single molecule calculated within the framework of a dynamical theory and the fluctuations in the absorption coefficient measured in experiments on scanning the laser frequency is analyzed in relation to the acquisition time of fluorescence photons. The analysis is performed for the case where the optical band of an impurity center consists of two well-resolved lines. A method of processing the fluctuating fluorescence is proposed that makes it possible to obtain the averaged absorption coefficients, which can be compared with the coefficients calculated theoretically.
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Translated from Optika i Spektroskopiya, Vol. 99, No. 2, 2005, pp. 304–311.
Original Russian Text Copyright © 2005 by Osad’ko, Lobanov.
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Osad’ko, I.S., Lobanov, A.N. Fluctuations in the absorption coefficient of a single molecule at different signal acquisition times. Opt. Spectrosc. 99, 289–296 (2005). https://doi.org/10.1134/1.2034617
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DOI: https://doi.org/10.1134/1.2034617