Optical properties of lead-free oxyfluoride germanate glasses doped with Pr3+

Joanna Pisarska; Wojciech A. Pisarski; Dominik Dorosz; Jan Dorosz

doi:10.1117/12.2066990

12 May 2014 Optical properties of lead-free oxyfluoride germanate glasses doped with Pr³⁺

Joanna Pisarska, Wojciech A. Pisarski, Dominik Dorosz, Jan Dorosz

Author Affiliations +

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 3P₀ → ³H₄, ³P₀ → ³H₅, ¹D₂ → ³H₄, ³P₀ → ³H₆, ³P₀ → ³F₂ transitions of Pr³⁺ were registered under 450 nm excitation. The relative integrated luminescence intensities of 3P0 → 3H4 transition (blue) to the ³P₀ → ³F₂ 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 ³P₀ → ³F₂ hypersensitive transition of Pr³⁺ are blue shifted with increasing BaF₂ concentration.

Citation Download Citation

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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