凝胶老化对镱铝共掺SiO2粉晶化和光谱性能的影响 
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Influences of Gel Aging on Crystallization and Spectroscopic Property of Yb
3+/Al
3+ Co-Doped SiO2 Powders
1 中国科学院上海光学精密机械研究所强激光材料重点实验室, 上海 201800
2 中国科学院大学, 北京 100049
图 & 表
图 1. 1100 ℃烧结2 h后Al3+/Yb3+掺杂的石英玻璃原料粉XRD图
Fig. 1. XRD patterns of Al3+/Yb3+-doped silica glass powders after sintering at 1100 ℃ for 2 h
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图 2. 1100 ℃烧结2 h后石英玻璃原料粉的XRD图。(a) 25 ℃老化处理后;(b) 90 ℃高压釜老化处理后
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 ℃
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图 3. 1100 ℃烧结2 h后石英玻璃原料粉的红外透射光谱。(a) 25 ℃老化处理后;(b) 90 ℃高压釜老化处理后
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 ℃
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图 4. 1100 ℃烧结2 h后石英玻璃原料粉的荧光发光光谱。(a) 25 ℃老化处理后;(b) 90 ℃高压釜老化处理后
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 ℃
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图 5. 1100 ℃烧结2 h后石英玻璃原料粉的荧光寿命曲线。(a) 25 ℃老化处理后;(b) 90 ℃高压釜老化处理后
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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表 1老化处理的技术参数及Al3+/Yb3+掺杂石英玻璃原料粉组分
Table1. Technical parameters of aging treatment and compositions of Yb3+/Al3+-doped silica glass powders
| Sample No. | | Mole fraction /% | | Technical parameter |
|---|
| Yb2O3 | Al2O3 | | SiO2 |
|---|
| 1# | - | - | 100.0 | - | | 2# | 0.1 | - | 99.9 | - | | 3# | - | 1.0 | 99.0 | - | | 4# | 0.1 | 1.0 | 98.9 | - | | 5# | 0.1 | 1.0 | 98.9 | 18 d at 25 ℃ | | 6# | 0.1 | 1.0 | 98.9 | 25 d at 25 ℃ | | 7# | 0.1 | 1.0 | 98.9 | 46 d at 25 ℃ | | 8# | 0.1 | 1.0 | 98.9 | 24 h in autoclave (90 ℃) | | 9# | 0.1 | 1.0 | 98.9 | 48 h in autoclave (90 ℃) |
|
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表 2老化处理前后样品掺杂物含量
Table2. Doping contents of samples before and after aging treatment
| Situation | Mass fraction /% |
|---|
| Yb3+ | Al3+ |
|---|
| Before aging treatment | 0.63 | 0.99 | | After aging treatment | 0.60 | 0.95 |
|
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表 31100 ℃烧结2 h后石英玻璃原料粉的荧光寿命
Table3. Fluorescence lifetimes of silica glass powders after sintering at 1100 ℃ for 2 h
| Sample No. | 4# | 5# | 6# | 7# | 8# | 9# |
|---|
| Lifetime /μs | 660 | 518 | 703 | 742 | 782 | 767 |
|
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尹圣楠, 杨科, 韩帅, 周秦岭, 许文彬, 王璠, 胡丽丽, 陈丹平. 凝胶老化对镱铝共掺SiO2粉晶化和光谱性能的影响[J]. 光学学报, 2017, 37(8): 0816001. 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.
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