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中文摘要：
在CaO-Li2O-B2O3助熔体系中,生长了掺铒和镱的硼酸钙镧（Er^3＋：Yb^3＋：La2CaB（10）O（19）,Er：Yb：LCB）晶体。Er：Yb：LCB晶体中Er^3＋,Yb^3＋的分凝系数分别为0.50,0.25。X射线衍射分析表明：Er：Yb：LCB和LCB具有相同的晶体结构。Er：Yb：LCB晶体的熔点大约为1046℃。Er：Yb：LCB晶体的吸收光谱和荧光光谱的测试结果表明：与Er：LCB相比,Er：Yb：LCB晶体在970 nm的吸收系数显著提高,在1 531 nm的发射强度也显著增强,其荧光寿命为0.48 ms。
英文摘要：
A new erbium-ytterbium codoped lanthanum calcium borate crystal（Er^3＋：Yb^3＋：La2CaB（10）O（19）,Er：Yb：LCB）was grown by using CaO-Li2O-B2O3 as the flux system.The segregation coefficients of Er^3＋and Yb^3＋ions in the Er：Yb：LCB crystal are 0.5 and 0.25,respectively.X-ray diffraction analysis shows that Er：Yb：LCB has the same crystal structure as LCB.The melting point of Er：Yb：LCB crystal is about 1 046℃.The absorption and fluorescence spectra of the Er：Yb：LCB crystal indicate that,compared with Er：LCB crystal,Er：Yb：LCB＇s absorption coefficient at 970nm is significantly enhanced,and its emission intensity at 1 531 um is also strengthened obviously.The measured fluorescence lifetime of Er：Yb：LCB crystal is about 0.48 ms.
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