Intense photoluminescence at 2.7 μm in transparent Er3+:CaF2-fluorophosphate glass microcomposite

被引：38
作者：
Fan, Jintai [1 ]
Yuan, Xinqiang [1 ]
Li, Rihong [1 ]
Dong, Hongxing [1 ]
Wang, Jun [1 ]
Zhang, Long [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat Sci & Technol High Power Lasers, Shanghai 201800, Peoples R China
来源：
OPTICS LETTERS | 2011年 / 36卷 / 22期
基金：
中国国家自然科学基金;
关键词：
LIQUID-PHASE; FIBER LASER; ALUMINA; DENSIFICATION; EMISSION; CRYSTALS;
D O I：
10.1364/OL.36.004347
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Er3+ doped CaF2-fluorophosphate (FP) glass microcomposites were produced by heat-treating the mixture of Er3+:CaF2 precipitate and FP glass powder above the melting temperature of the FP glass. The appearance of CaF2 crystallites in the resulting composites was confirmed by x ray diffraction. Despite the fact that the average diameter of the crystallites was around 10 mu m as revealed by the micromorphology study, a transparent composite was obtained by matching the refractive index of FP glass to that of CaF2. Intense IR fluorescence at around 2.7 mu m was observed in the composite, implying the composite would be a promising candidate for IR lasers and amplifiers. (C) 2011 Optical Society of America
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收藏
页码：4347 / 4349
页数：3
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