Investigation of the influence of strontium carbonate on fluorescence spectra of oxy-fluoride glasses doped with samarium oxide and samarium fluoride

Teodora Pashova; Tinko Eftimov; Irena Kostova; Dancho Tonchev

doi:10.1117/12.2177866

8 January 2015 Investigation of the influence of strontium carbonate on fluorescence spectra of oxy-fluoride glasses doped with samarium oxide and samarium fluoride

Teodora Pashova, Tinko Eftimov, Irena Kostova, Dancho Tonchev

Author Affiliations +

Proceedings Volume 9447, 18th International School on Quantum Electronics: Laser Physics and Applications; 94470B (2015) https://doi.org/10.1117/12.2177866
Event: Eighteenth International School on Quantum Electronics: Laser Physics and Applications, 2014, Sozopol, Bulgaria

Abstract

Oxy-fluoride glasses containing strontium carbonate doped with samarium have been prepared. The glasses are sorted with respect to the quantity of strontium carbonate. The fluorescence spectra recorded for different pumping wavelengths are presented. We have investigated the influence of the excitation on the efficiency of the fluorescence, depending on the quantity of strontium carbonate in the samples for a variety of excitation wavelengths. The results of optical pumping in the range 370 - 490 nm show a typical fluorescence spectrum of Sm³⁺. When pumped with wavelengths above 500 nm a new peak that has not been reported appeared in the fluorescence spectrum. From the data analysis the range of appearance of the fluorescence peak was determined and the most efficient source for its excitation was found.

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Teodora Pashova, Tinko Eftimov, Irena Kostova, and Dancho Tonchev "Investigation of the influence of strontium carbonate on fluorescence spectra of oxy-fluoride glasses doped with samarium oxide and samarium fluoride", Proc. SPIE 9447, 18th International School on Quantum Electronics: Laser Physics and Applications, 94470B (8 January 2015); https://doi.org/10.1117/12.2177866

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KEYWORDS

Luminescence

Glasses

Strontium

Carbonates

Samarium

Zinc oxide

Ions

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