Elise Bailly, Camilo Perez de la Vega, K. Chevrier, Y. De Wilde, V. Krachmalnicoff, J. Hugonin, B. Vest, J. Greffet
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Abstract
Light emitted by fluorophores can be computed from the knowledge of the absorption spectrum. However, at long wavelengths, the calculated emission may diverge if the decay of the imaginary part of the permittivity is not modelled accurately. We report a technique to obtain the permittivity of fluorophores such as dye molecules from fluorescence measurements. We find that the Brendel-Bormann model enables to fit the emission spectra accurately.
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