人工晶体学报2006，Vol.35Issue(4)：757-760,756,5.
大尺寸高浓度掺杂Nd:GGG和Nd:YAG晶体的光谱性质
Spectral Properties of Large Sized Highly Doped Nd:GGG and Nd:YAG Crystals
姜本学 1赵志伟 2徐晓东 1宋平新 1王晓丹 2徐军 1邓佩珍2
作者信息
- 1. 中国科学院上海光学精密机械研究所,上海,201800
- 2. 中国科学院研究生院,北京,100039
- 折叠
摘要
Abstract
The ionic radius of Y3+ is 0.101nm and of Nd3+ is 0.112nm, a difference of about 10.9%. Therefore it is difficult to grow highly doped Nd:YAG. In this paper we have grown Large sized highly doped(2.8at.%) Nd:YAG crystals by TGT method. Large sized(φ＞70mm) high quality Nd:GGG crystals have been grown by CZ method for comparison at the same time. The concentration quenching in Nd:GGG crystals with high Nd3+ doping level was demonstrated and studied as well. The comparisons of the concentration quenching effects between the Nd:GGG and Nd:YAG crystals have been listed. The reason why GGG crystal has weaker concentration quenching effect than YAG crystals may be that: YAG crystal has a stronger field strength than that of GGG crystal, which leads to higher values of ΔE(-)mism and ΔE(+)mism in GGG crystal and this causes weaker concentration quenching effect in Nd:GGG crystal.关键词
Nd:GGG/Nd:YAG/浓度猝灭/荧光寿命Key words
Nd:GGG/Nd:YAG/concentration quenching/fluorescence lifetime分类
数理科学引用本文复制引用
姜本学,赵志伟,徐晓东,宋平新,王晓丹,徐军,邓佩珍..大尺寸高浓度掺杂Nd:GGG和Nd:YAG晶体的光谱性质[J].人工晶体学报,2006,35(4):757-760,756,5.
