Growth, spectroscopic properties and up-conversion of Yb, Pr co-doped CaF2 crystals
Growth, spectroscopic properties and up-conversion of Yb, Pr co-doped CaF2 crystals
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Yb、Pr共掺杂CaF2晶体的生长、光谱特性和上转换
DOI:
10.1016/j.jlumin.2021.117931
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发表时间:
2021-05
影响因子:
3.6
通讯作者:
Jun Xu
中科院分区:
文献类型:
--
作者:
Wudi Wang;Jie Tian;Jianshu Dong;Yanyan Xue;Donghua Hu;Wentao Hou;Huili Tang;Qingguo Wang;Xiaodong Xu;Jun Xu
Yb,Pr:CaF2crystals have been grown successfully by the temperature gradient technique(TGT). The absorption spectra, fluorescence spectra, fluorescence decay lifetime of Pr3+ions in CaF2crystal sensitized by different Yb3+ions concentration have been measured. The effective J-O intensity parameters were fitted to be Ω2=0.36 × 10−20cm2, Ω4=2.89 × 10−20cm2, Ω6=6.69 × 10−20cm2for 0.3 at.%Pr,1.5 at.%Yb:CaF2. And the emission cross sections of3P1→3H5(535 nm), and3P0→3F4(750 nm) are calculated to be 2.02 × 10−20cm2, and 2.50 × 10−20cm2with the FWHM of 17.2 nm, and 10.5 nm, respectively. The fluorescence lifetime of3P0has achieved great increasing by sensitizing of Yb3+ion. Not only the up-conversion luminescence can be achieved, but also the broad band emission from1D2energy level can be observed. The results show that Yb,Pr:CaF2could be a potential laser gain medium for visible and near-IR laser operation.
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影响因子:
4
作者:
D. Baney;G. Rankin;K. Chang
通讯作者:
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影响因子:
1.1
作者:
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通讯作者:
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影响因子:
3.9
作者:
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通讯作者:
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