Nd3+掺杂浓度对大功率全固态Nd:YVO4激光器输出特性影响的研究

被引:16
作者
李健
何京良
侯玮
陈毓川
许祖彦
机构
[1] 山东师范大学现代光学实验室!济南
[2] 中国科学院物理研究所光物理实验室!北京
关键词
Nd:YVO4; 掺杂浓度; 斜效率;
D O I
暂无
中图分类号
TN248 [激光器];
学科分类号
0803 ; 080401 ; 080901 ;
摘要
通过对 Nd:YVO4晶体吸收特性的研究 ,对全固态 Nd:YVO4激光器中晶体的 Nd3 + 掺杂浓度在强光抽运条件下对激光输出特性的影响进行了分析 ,得出了激光器的输出功率和斜效率与晶体掺杂浓度的对应关系。对晶体长度为 5 mm,掺杂浓度分别为 0 .5% ,0 .7%和 1 .0 at- %的大功率全固态 Nd:YVO4激光器的输出进行了比较 ,实验与分析结果符合得较好。利用掺杂为 0 .5%的Nd:YVO4晶体 ,在抽运光功率为 5.1 W时获得 3.1 W的 TEM0 0 模激光输出 ,斜效率达到 71 %。
引用
收藏
页码:298 / 302
页数:5
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