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

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, Raffaella Rolli, Maurizio Montagna, Maurizio Ferrari, and 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); https://doi.org/10.1117/12.382856

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