Highly efficient LD-pumped 607 nm high-power CW Pr3+: YLF lasers

被引：28
作者：
Lin, Xiuji [1 ]
Zhu, Yao [1 ]
Ji, Shuaihao [1 ]
Li, Wensong [1 ]
Xu, Huiying [1 ]
Cai, Zhiping [1 ]
机构：
[1] Xiamen Univ, Dept Elect Engn, Xiamen 361005, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2020年 / 129卷
基金：
中国国家自然科学基金;
关键词：
Pr3+:YLF crystal; Orange laser; High power; High efficiency; YELLOW LASER; DIODE; OPERATION; ORANGE; RED;
D O I：
10.1016/j.optlastec.2020.106281
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrated a 607 nm high-power continuous-wave (CW) orange laser based on a 12-mm-long a-cut Pr3+:YLF crystal with high slope efficiency and a low doping level. A maximum output power of 4.88 W with a slope efficiency of similar to 49% was achieved at an absorbed pump power of 12.15 W, and no output saturation power was observed. To improve the laser beam quality, we designed a concave-plane cavity and achieved an output power of 3.80 W with M-2 factors of similar to 1.7 and similar to 2.2 in the horizontal and vertical directions, respectively, by means of a novel output coupler with tunable transmission. In addition, theoretical analyses were conducted to explain our designs, and the corresponding simulated results were presented.
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页数：5
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