Concentration dependence of radiative and nonradiative energy transfers in rare-earth-doped laser crystals grown from a new method based on gradient concentration fiber single crystals

Georges Boulon; L. Laversenne; C. Goutaudier; Y. Guyot; Marie-Therese Cohen-Adad

doi:10.1117/12.513518

9 April 2003 Concentration of dependence of radiative and nonradiative energy transfers in rare-earth-doped laser crystals grown from a new method based on gradient concentration fiber single crystals

Georges Boulon, L. Laversenne, C. Goutaudier, Y. Guyot, Marie-Therese Cohen-Adad

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Proceedings Volume 5131, Third GR-I International Conference on New Laser Technologies and Applications; (2003) https://doi.org/10.1117/12.513518
Event: Third GR-I International Conference on New Laser Technologies and Applications, 2003, San Diego, CA, United States

Abstract

New and original monocrystalline samples having a continuous longitudinal concentration gradient are used to study dynamical processes of resonant transitions in rare earth doped laser crystals like Y₂O₃ sesquioxide and YAG garnet. This fast and simple method allows to measure the radiative lifetime, the influence of radiation trapping, impurity quenching and RE pairs or clusters on the excited-state lifetime as a functon of the dopant concentration. Examples in Yb³⁺, Er³⁺ and Ho³⁺ rare earth ions are presented.

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Georges Boulon, L. Laversenne, C. Goutaudier, Y. Guyot, and Marie-Therese Cohen-Adad "Concentration of dependence of radiative and nonradiative energy transfers in rare-earth-doped laser crystals grown from a new method based on gradient concentration fiber single crystals", Proc. SPIE 5131, Third GR-I International Conference on New Laser Technologies and Applications, (9 April 2003); https://doi.org/10.1117/12.513518

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