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12 May 2014 Optical properties of lead-free oxyfluoride germanate glasses doped with Pr3+
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Proceedings Volume 9228, Optical Fibers and Their Applications 2014; 922809 (2014) https://doi.org/10.1117/12.2066990
Event: 15th Conference on Optical Fibers and Their Applications, 2014, Lipowy Most, Poland
Abstract
Optical properties of Pr3+ ions in lead-free germanate glasses modified by BaF2 were investigated. Luminescence bands related to 3P03H4, 3P03H5, 1D23H4, 3P03H6, 3P03F2 transitions of Pr3+ were registered under 450 nm excitation. The relative integrated luminescence intensities of 3P0 → 3H4 transition (blue) to the 3P03F2 transition (red) of Pr3+ ions strongly depend on fluoride modifier BaF2 in glass composition. The blue-to-red luminescence intensity ratios of Pr3+ are drastically reduced, when BaO is partially substituted by BaF2. The luminescence lines due to 3P03F2 hypersensitive transition of Pr3+ are blue shifted with increasing BaF2 concentration.
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Joanna Pisarska, Wojciech A. Pisarski, Dominik Dorosz, and Jan Dorosz "Optical properties of lead-free oxyfluoride germanate glasses doped with Pr3+", Proc. SPIE 9228, Optical Fibers and Their Applications 2014, 922809 (12 May 2014); https://doi.org/10.1117/12.2066990
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