Shengnan Yin, Ke Yang, Shuai Han, Qinling Zhou, Wenbin Xu, Fan Wang, Lili Hu, Danping Chen. Influences of Gel Aging on Crystallization and Spectroscopic Property of Yb
3+/Al
3+ Co-Doped SiO2 Powders
[J]. Acta Optica Sinica, 2017, 37(8): 0816001
- Acta Optica Sinica
- Vol. 37, Issue 8, 0816001 (2017)
Fig. 1. XRD patterns of Al3+/Yb3+-doped silica glass powders after sintering at 1100 ℃ for 2 h
Fig. 2. XRD patterns of silica glass powders after sintering at 1100 ℃ for 2 h. (a) After aging treatment at 25 ℃; (b) after aging treatment in autoclave at 90 ℃
Fig. 3. Infrared transmission spectra of silica glass powders after sintering at 1100 ℃ for 2 h. (a) After aging treatment at 25 ℃; (b) after aging treatment in autoclave at 90 ℃
Fig. 4. Fluorescence spectra of silica glass powders after sintering at 1100 ℃ for 2 h. (a) After aging treatment at 25 ℃; (b) after aging treatment in autoclave at 90 ℃
Fig. 5. Fluorescence lifetime curves of silica glass powders after sintering at 1100 ℃ for 2 h. (a) After aging treatment at 25 ℃; (b) after aging treatment in autoclave at 90 ℃
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Table 1. Technical parameters of aging treatment and compositions of Yb3+/Al3+-doped silica glass powders
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Table 2. Doping contents of samples before and after aging treatment
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Table 3. Fluorescence lifetimes of silica glass powders after sintering at 1100 ℃ for 2 h
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