EFFICIENT RESONANTLY PUMPED 2.8-MU-M ER-3+ GSGG LASER

被引:95
作者
STONEMAN, RC
ESTEROWITZ, L
机构
[1] Naval Research Laboratory Code 6551, Washington, DC
关键词
D O I
10.1364/OL.17.000816
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Efficient cw operation of the Er3+:GSGG I-4(11/2) --> I-4(13/2) laser transition at 2.8-mu-m is demonstrated at room temperature. The I-4(11/2) upper laser state is directly pumped at 0.97-mu-m. The slope efficiency for the 2.8-mu-m laser is 36%, indicating a greater than unity quantum efficiency. This excess efficiency results from the recycling of population through upconversion out of the lower laser state.
引用
收藏
页码:816 / 818
页数:3
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