Abstract.
Using the photothermal method we measure the fluorescence quantum yield of a rhodamine 101 solution in ethanol for different values of the pump-field fluence. Our experiments reveal a depletion of the fluorescence quantum yield as the pump fluence increases. To explain the observed fluorescence quenching, a dependence of the nonradiative relaxation rates on the field fluence is proposed. Predictions of the model are in good agreement with the experiments.
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Received: 16 November 1999 / Revised version: 5 July 2000 / Published online: 13 September 2000
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Marcano O., A., Urdaneta, I. Fluorescence quantum yield of rhodamine 101 in the presence of absorption saturation . Appl Phys B 72, 207–213 (2001). https://doi.org/10.1007/s003400000423
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DOI: https://doi.org/10.1007/s003400000423