Abstract
We demonstrate the up-conversion of Tm:LiYF4 infrared (IR) laser radiation with 1908-nm wavelength into visible light with a spectral maximum at 650 nm by ceramics with a composition of (100 − x)TeO2−xBaF2 − 1 wt % HoF3−yYbF3, where x = 20, 30, or 40 mol % and y = 0 or 0.5 wt %. The samples of 60TeO2−40BaF2 − 1 wt % HoF3 − 0.5 wt % YbF3 exhibited anti-Stokes luminescence at a threshold radiation power density of 1.0−1.5 W cm−2.
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Original Russian Text © A.P. Savikin, A.S. Egorov, A.V. Budruev, I.Yu. Perunin, O.V. Krasheninnikova, I.A. Grishin, 2017, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2017, Vol. 43, No. 14, pp. 34–40.
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Savikin, A.P., Egorov, A.S., Budruev, A.V. et al. Spectral properties and anti-Stokes luminescence of TeO2–BaF2:Ho3+, Ho3+/Yb3+ ceramics and glass excited by 1.9-μm radiation of a Tm:LiYF4 laser. Tech. Phys. Lett. 43, 652–654 (2017). https://doi.org/10.1134/S1063785017070252
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DOI: https://doi.org/10.1134/S1063785017070252