Codoping Na+ to modulate the spectroscopy and photoluminescence properties of Yb3+ in CaF2 laser crystal.
Codoping Na+ to modulate the spectroscopy and photoluminescence properties of Yb3+ in CaF2 laser crystal.
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DOI：
10.1364/ol.30.001003
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发表时间：
2005-05
期刊：
影响因子：
3.6
通讯作者：
L. Su;J. Xu;Hongjun Li;Weiqiao Yang;Zhiwei Zhao;J. Si;Yongjun Dong;Guoqing Zhou
中科院分区：
文献类型：
--
作者：
L. Su;J. Xu;Hongjun Li;Weiqiao Yang;Zhiwei Zhao;J. Si;Yongjun Dong;Guoqing Zhou
采用温度梯度法生长了Na：Yb = 0，1.5和10的三种Yb ~（3+）和Na ~+共掺CaF_2激光晶体。测量了三种晶体中Yb ~（3+）离子基态~（2F 7/2）和激发态~（2F 5/2）跃迁的室温吸收光谱、光致发光光谱和荧光寿命，研究了Na ~+的影响。实验结果表明，不同Na：Yb比的Na+离子共掺杂可以在很大范围内调制CaF 2晶格中Yb 3+离子的光谱和光致发光特性。
Three kinds of Yb3+ - and Na+-codoped CaF2 laser crystal with different Na:Yb ratios of 0, 1.5, and 10 are grown by the temperature gradient technique. Room-temperature absorption, photoluminescence spectra, and fluorescence lifetimes belonging to the transitions between ground state 2F7/2 and excited state 2F5/2 of Yb3+ ions in the three crystals are measured to study the effect of Na+. Experimental results show that codoping Na+ ions in different Na:Yb ratios can modulate the spectroscopy and photoluminescence properties of Yb3+ ions in a CaF2 lattice in a large scope.