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Effects of CaO/Al2O3 ratio on structure and spectroscopic properties of Nd3+-doped CaO-Al2O3-BaO aluminate glass
Kang, Shuai; He, Dongbing; Wang, Xue; Xu, Wenbin; Wang, Xin; Hu, Lili; 13636640803@163.com; hulili@siom.ac.cn
2017
发表期刊J. Non-Cryst. Solids
卷号468页码:34
摘要Nd3+-doped CaO-Al2O3-BaO glasses with varying CaO/Al2O3 ratios were synthesized, and their thermal, structural, absorption, and emission properties were characterized as functions of the CaO/A1203 ratio. The thermal stability of the glasses was analyzed by differential scanning calorimetry. The Raman spectra indicated that the amount of A1-0-Al bridging oxygen bonds decreased and the amount of the Al-non-bridging oxygen (NBO) bonds increased with an increase of the CaO/Al2O3 ratio. A broadband emission was observed in the fluorescence spectra, and the full width at half maximum bandwidth was found to increase from 38.6 nm to 41.2 nm with the increase of CaO/Al2O3 ratio. Meanwhile, the fluorescence peak shifted from 1064 rim to 1068 nm. Based on the Judd-Ofelt parameters, the transition probabilities, emission cross-sections and gain parameters of the glasses were calculated to evaluate the optical amplification performances; the stimulated emission cross-section decreased from 2.11 x 10(-20) to 1.35 x 10(-2) cm(2) with the increase in the CaO/A1203 ratio. These results indicate that Nd3+-doped CaO-Al2O3-BaO aluminate glasses with a broadband fluorescence bandwidth and suitable gain property have potential for the application in high-energy ultrashort-pulse lasers.
文章类型Article
部门归属单元
DOI10.1016/j.jnoncrysol.2017.04.025
收录类别SCI
WOS记录号WOS:000403117200006
引用统计
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28283
专题高功率激光单元技术研发中心
通讯作者13636640803@163.com; hulili@siom.ac.cn
作者单位中国科学院上海光学精密机械研究所
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Kang, Shuai,He, Dongbing,Wang, Xue,et al. Effects of CaO/Al2O3 ratio on structure and spectroscopic properties of Nd3+-doped CaO-Al2O3-BaO aluminate glass[J]. J. Non-Cryst. Solids,2017,468:34.
APA Kang, Shuai.,He, Dongbing.,Wang, Xue.,Xu, Wenbin.,Wang, Xin.,...&hulili@siom.ac.cn.(2017).Effects of CaO/Al2O3 ratio on structure and spectroscopic properties of Nd3+-doped CaO-Al2O3-BaO aluminate glass.J. Non-Cryst. Solids,468,34.
MLA Kang, Shuai,et al."Effects of CaO/Al2O3 ratio on structure and spectroscopic properties of Nd3+-doped CaO-Al2O3-BaO aluminate glass".J. Non-Cryst. Solids 468(2017):34.
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