Enhanced broadband near-infrared luminescence of Bi-doped oxyfluoride glasses
作者： Beibei Xu , Dezhi Tan , Shifeng Zhou , Zhanglian Hong , Kaniyarakkal N Sharafudeen
DOI: 10.1364/OE.20.029105
关键词:
摘要: Broadband near-infrared luminescence covering 900 to 1600 nm has been observed in Bi-doped oxyfluoride silicate glasses. The partial substitution of fluoride for oxide glasses leads an increase the intensity and lifetime blue-shift emission peaks. Both show visible with blue, green, orange red bands when excited by ultra-violet light. Careful investigation on properties indicates that change is related optical basicity, phonon energy glass matrix crystal field around Bi active centers. These results offer a valuable way control materials may find some applications fiber amplifier laser.
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