15 April 1998 Optical properties of stabilized Dy3+-doped sulfide glasses for 1.3-μm amplification
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Sulfide glasses based on GeGaS are stabilized by the addition of a fourth element: antimony. They show very weak crystallization upon heating as compared to standard GeGaS glass. Because of the low phonon energy inherent in sulfide glasses, the 1.3 micrometers emission of Dy3+ ions can be observed. This transition is characterized in terms of emission cross-section and quantum efficiency. Refractive indices are measured for various concentrations of cesium halides in standard GeGaS glass.
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Jean-Luc Adam, Yann Guimond, Anne-Marie Jurdyc, Laurent Griscom, Jacques Mugnier, Bernard Jacquier, "Optical properties of stabilized Dy3+-doped sulfide glasses for 1.3-μm amplification", Proc. SPIE 3280, Rare-Earth-Doped Devices II, (15 April 1998); doi: 10.1117/12.305404; https://doi.org/10.1117/12.305404

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