期刊
OPTICAL MATERIALS EXPRESS
卷 8, 期 12, 页码 3820-3828出版社
OPTICAL SOC AMER
DOI: 10.1364/OME.8.003820
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资金
- National Natural Science Foundation of China (NSFC) [61635012, 61475089]
- National Key Research and Development Program of China [2016YFB0701002]
- Shanghai science and Technology Commission [16520721300]
Er3+ doped CaxSr1-xF2 (x = 0, 0.5, 0.7, 1) single crystals were successfully grown by the temperature gradient technique (TGT) and their compositional dependence of various spectral properties has been systematically studied. The spectroscopic investigation showed that with the variation of x, there was a significant difference for the spectral parameters including stimulated emission cross section around 2.8 mu m and the related fluorescent lifetimes. The lifetime gap between Er3+: I-4(13/2) and Er3+ : I-4(13/2) was effectively narrowed for x = 0.5, which contributed to the high efficient mid-infrared (MIR) laser. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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