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中文摘要：
本文合成并以CaO-Li2O-B2O3为助熔剂体系生长得到了掺铒硼酸钙镧（Er^3＋：La2CaB10O19，Er：LCB）的晶体。X射线粉末衍射分析表明，Er：LCB和LCB具有相同的晶体结构，均属于单斜晶系，C2空间群。Er：LCB晶体的熔点大约为1048℃。测试了Er：LCB晶体的吸收光谱和荧光光谱。Er：LCB晶体在790nm和970nm附近存在的吸收，对应于AlGaAs和InGaAs激光二极管输出波长，其吸收截面分别为1．94×10^-20和2．39×10^-20cm^2。Er：LCB在1531nm附近有发射峰最强，峰宽为16nm。其荧光寿命为0．37ms。
英文摘要：
A new erbium-doped lanthanum calcium borate crystal （Er^3＋ ： La2CaB10O19, Er： LCB） was synthesized and grown, and the concentrations of Er^3＋ ions were also analyzed. The X-ray powder diffraction analysis shows that Er： LCB has the same crystal structure as LCB does. The melting point of Er：LCB crystal is about 1048℃. The absorption and fluorescence spectra of Er： LCB were measured. There exist absorption bands around 790nm and 970nm, corresponding to the output wavelengths of AlGaAs and InGaAs diode lasers, and their absorption cross-sections are 1.94 × 10^-20 and 2. 39 × 10^-20 cm^2. The emission peak around 1531nm is the strongest one with a full-width at half-maximum of 16nm. The measured fluorescence lifetime is about 0.37ms.
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