Efficient visible up-conversion emission in Pr3+- and Er3+-doped aluminum fluorophospate glasses

Victor K. Tikhomirov; Raffaella Rolli; Maurizio Montagna; Maurizio Ferrari; Animesh Jha

doi:10.1117/12.382856

13 April 2000 Efficient visible up-conversion emission in Pr³⁺- and Er³⁺-doped aluminum fluorophospate glasses

Victor K. Tikhomirov; Raffaella Rolli; Maurizio Montagna; Maurizio Ferrari; Animesh Jha

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Proceedings Volume 3942, Rare-Earth-Doped Materials and Devices IV; (2000) https://doi.org/10.1117/12.382856
Event: Symposium on Integrated Optoelectronics, 2000, San Jose, CA, United States

Abstract

Intense upconversion of yellow-to-blue, in Pr³⁺- doped, and green-to-blue in Er³⁺-doped aluminum fluoride glasses is reported. Pulsed excitations inside the ³H₄ yields ¹D₂ absorption band of Pr³⁺ results in blue emission which is ascribed to the ³P₀ yields ³H₄ transition. We found that the temporal evolution of the upconverted fluorescence is characterized by rise and decay times depending on Pr³⁺ concentration. The upconversion mechanism is a two step process due to the energy transfer involving a pair of Pr³⁺ ions. The data indicate a high solubility of the Pr³⁺ ions without clustering at the doping level between 0.1 - 1% mol Pr³⁺. Measurements performed in Er³⁺doped glasses indicate a good quantum yield of the upconversion emission confirming the high solubility of Er³⁺ ions in the aluminum fluoride glasses.

Citation Download Citation

Victor K. Tikhomirov, Victor K. Tikhomirov, Raffaella Rolli, Raffaella Rolli, Maurizio Montagna, Maurizio Montagna, Maurizio Ferrari, Maurizio Ferrari, Animesh Jha, Animesh Jha, } "Efficient visible up-conversion emission in Pr³⁺- and Er³⁺-doped aluminum fluorophospate glasses", Proc. SPIE 3942, Rare-Earth-Doped Materials and Devices IV, (13 April 2000); doi: 10.1117/12.382856; https://doi.org/10.1117/12.382856

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