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1. 中国科学院 福建物质结构研究所, 福建 福州 350002
2. 江西理工大学, 江西 赣州 341000
收稿:2008-07-29,
修回:1900-1-2,
网络首发:2009-06-30,
纸质出版:2009-06-30
移动端阅览
游维雄, 黄艺东, 林炎富, 等. YAB晶体中Yb3+到Er3+的能量传递[J]. 发光学报, 2009,30(3):321-326.
YOU Wei-xiong, HUANG Yi-dong, LIN Yan-fu, et al. The Energy Transfer from Yb3+ to Er3+ in YAl3(BO3)4 Crystal[J]. Chinese Journal of Luminescence, 2009, 30(3): 321-326.
1.55 μm波段是光通讯的一个重要波段
而且对人眼安全
有高的大气透过率
因此可以广泛应用于通讯和遥感测距等领域。由于Er
3+
离子对商品化的InGaAs激光二极管的抽运波长不能有效吸收
因此一般通过在基质中共掺杂Yb
3+
和Er
3+
离子来获得1.55 μm波段激光输出。采用助熔剂法生长了不同Yb
3+
和Er
3+
掺杂浓度的YAl
3
(BO
3
)
4
(YAB)晶体。运用速率方程模型研究了晶体中Yb
3+
到Er
3+
能量传递过程
得到了根据Yb
3+
离子的荧光寿命计算能量传递系数的简单计算公式。计算了不同掺杂离子浓度的YAB晶体中的能量传递系数等相关参数。结果表明
在YAB晶体中
Yb
3+
到Er
3+
能量传递非常有效
YAB晶体可以作为一种能获得1.55 μm激光输出的良好介质材料。
paper
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