Phosphate glass with different Yb3+ concentrations was synthesized and studied. The composition of the glass made it possible to obtain optically uniform glass in small-volume crucibles. The basic spectral characteristics of the obtained glasses were determined and it was shown that the proposed matrix gives a high quantum yield of luminescence in a wide range of Yb3+ concentrations. The influence of the content of OH groups on the decay time of the Yb3+ luminescence was investigated. In view of its good cooking and casting properties this glass holds promise for use in the active media for near-IR solid-state and fiber lasers.
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The work was supported by the Ministry of Education and Science of the Russian Federation (grant No. 14.Z50.31.0009).
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Translated from Steklo i Keramika, No. 11, pp. 7 – 10, November, 2016.
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Stepko, A.A., Savinkov, V.I., Kovgar, V.V. et al. Yb3+-Activated Phosphate Glass. Glass Ceram 73, 397–399 (2017). https://doi.org/10.1007/s10717-017-9897-0
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DOI: https://doi.org/10.1007/s10717-017-9897-0