光学学报, 1999, 19 (1): 132, 网络出版: 2006-08-09   

Yb:YAG晶体的光谱和激光性能

Spectroscopy and Laser Performance of Yb3+ Doped YAG Crystal
作者单位
中国科学院上海光学精密机械研究所,上海 201800
摘要
研究了Yb:YAG晶体的光谱特性, 通过不同掺杂浓度的Yb:YAG晶体的荧光寿命的测定, 确定了Yb3+在Yb:YAG晶体中的最佳掺杂浓度, 用合作上转换机制解释了高浓度掺杂时的荧光浓度猝灭效应, 研究了掺杂原子分数为0.2的晶体微片的激光性能。
Abstract
Spectral performances of Yb:YAG crystal were studied. The optimal Yb3+ doping level in Yb:YAG crystal is 10at%, which is determined by the fluorescence lifetime measurement. It is shown that the cooperative up-conversion processes of Yb3+→Tm3+ energy transfer is responsible for the fluorescence quenching at high Yb3+ doping level. 300 mW of pulsed laser output power at 1030 nm was obtained by means of InGaAs LD pumped 20at% Yb:YAG crystal thin chip.
参考文献

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杨培志, 邓佩珍, 徐军, 黄国松, 陈伟, 乔景文. Yb:YAG晶体的光谱和激光性能[J]. 光学学报, 1999, 19(1): 132. 杨培志, 邓佩珍, 徐军, 黄国松, 陈伟, 乔景文. Spectroscopy and Laser Performance of Yb3+ Doped YAG Crystal[J]. Acta Optica Sinica, 1999, 19(1): 132.

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