Thermal lens Z-scan measurements for the determination of fluorescence quantum yields: theoretical and experimental uncertainties for low and high quantum yields - Laboratoire de Photonique d'Angers
Article Dans Une Revue Applied optics Année : 2023

Thermal lens Z-scan measurements for the determination of fluorescence quantum yields: theoretical and experimental uncertainties for low and high quantum yields

Georges Boudebs
Julien-Bilal Zinoune
  • Fonction : Auteur
Christophe Cassagne
  • Fonction : Auteur
Mihaela Chis
  • Fonction : Auteur

Résumé

The single-beam Z-scan thermal lens technique is conducted to evaluate the fluorescence quantum yield of various solutions in the case of high-moderate absorption, considering both scenarios: solutions with substantial fluorescence and solutions with high thermal efficiency but low fluorescence. An analytical calculation is performed to determine the uncertainties associated with the random errors introduced by optical detectors. The results reveal that solutions with low fluorescence lead to a significant error, whereas higher fluorescence can help in decreasing the uncertainty. Additionally, the issue of random errors arising when multiple measurements are needed to accurately estimate the fluorescence of a solution will be discussed in different situations.
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Dates et versions

hal-04229187 , version 1 (27-11-2023)

Identifiants

Citer

Georges Boudebs, Julien-Bilal Zinoune, Christophe Cassagne, Mihaela Chis. Thermal lens Z-scan measurements for the determination of fluorescence quantum yields: theoretical and experimental uncertainties for low and high quantum yields. Applied optics, 2023, 62 (29), pp.7669-7677. ⟨10.1364/AO.500526⟩. ⟨hal-04229187⟩

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