中国激光, 2006, 33 (5): 692, 网络出版: 2006-06-01
Yb掺杂原子数分数为0.5%的Yb:Y3MAl5O12晶体的光谱分析
Spectroscopic Properties of Yb:Y3MAl5O12 with Yb-Doping Concentration 0.5%
材料 光谱 Yb:YAG晶体 吸收光谱 荧光光谱 自吸收 荧光寿命 materials spectrum Yb:YAG crystal absorption spectra fluorescence spectra self-absorption fluorescent lifetime
摘要
采用提拉法生长了Yb掺杂原子数分数为0.5%的Yb:Y3Al5O12(Yb:YAG)晶体,对晶体的吸收光谱和荧光光谱进行了分析。与Yb掺杂原子数分数为5%的Yb:YAG晶体进行了对比,得出采用940 nm激光二极管(LD)抽运晶体最为合适。原子数分数为0.5%的Yb:YAG晶体相对于原子数分数为5%的Yb:YAG晶体自吸收效应的影响要小。测量了原子数分数为0.5%的Yb:YAG晶体的荧光寿命为0.95 ms,与理论值很接近。因此采用原子数分数为0.5%的Yb:YAG晶体作为激光工作物质将有利于高效、小型集成化的固体激光器的发展。
Abstract
Yb:Y3Al5O12 (Yb:YAG) single crystal with Yb doping concentration 0.5 at.-% was grown by the Czochralski process. The absorption spectra and fluorescence spectra were studied and compared with 5 at.-% Yb:YAG single crystal. All results indicate that as a laser cyrstal, 0.5 at.-% Yb:YAG single crystal is suitable for pumping with 940 nm laser diode (LD) and the self-absorption effect is smaller than that of 5 at.-% Yb:YAG single crystal. The fluorescent lifetime of 0.5 at.-% Yb:YAG is 0.95 ms that is close to theoretical value. So this crystal is more promising as laser operation material used for high-efficiency, miniature type, compact solid-state lasers.
王晓丹, 赵志伟, 徐晓东, 宋平新, 姜本学, 徐军, 邓佩珍, , . Yb掺杂原子数分数为0.5%的Yb:Y3MAl5O12晶体的光谱分析[J]. 中国激光, 2006, 33(5): 692. 王晓丹, 赵志伟, 徐晓东, 宋平新, 姜本学, 徐军, 邓佩珍, Gilbert Bourdet, J.-C. Chanteloup. Spectroscopic Properties of Yb:Y3MAl5O12 with Yb-Doping Concentration 0.5%[J]. Chinese Journal of Lasers, 2006, 33(5): 692.
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