High beam quality of a Q-switched 2-μm Tm,Ho:LuVO4 laser

被引：7
|
作者：
Wang, Wei [1 ]
Yang, Xining [1 ,2 ]
Shen, Yingjie [3 ]
Li, Linjun [1 ,2 ]
Zhou, Long [1 ,2 ]
Yang, Yuqiang [4 ]
Bai, Yunfeng [2 ]
Xie, Wenqiang [2 ]
Ye, Guangchao [2 ]
Yu, Xiaoyang [1 ]
机构：
[1] Harbin Univ Sci & Technol, Higher Educ Key Lab Measuring & Control Technol &, Harbin 150080, Heilongjiang, Peoples R China
[2] Heilongjiang Inst Technol, Heilongjiang Prov Key Lab Optoelect & Laser Techn, Harbin 150050, Heilongjiang, Peoples R China
[3] Yantai Univ, Sch Optoelect Informat Sci & Technol, Yantai 264005, Peoples R China
[4] Harbin Univ Sci & Technol, Coll Sci, Harbin 150080, Heilongjiang, Peoples R China
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2018年 / 124卷 / 05期
基金：
中国国家自然科学基金;
关键词：
ROOM-TEMPERATURE; HOLUVO4; LASER;
D O I：
10.1007/s00340-018-6949-2
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A diode-end-pumped 2.05-mu m Q-switched Tm,Ho:LuVO(4 )laser is reported in this paper. The cryogenic Tm3+(5.0 at.%),Ho3+(0.5 at.%):LuVO4 crystal was pumped by an 800-nm laser diode. At a pulse repetition frequency of 10 kHz, the maximum average output power of 3.77 W was achieved at 77 K when an incident pump power of 14.7 W was used. The slope efficiency and optical-optical conversion efficiency were 28.3 and 25.6%, respectively. The maximum per pulse energy was 2.54 mJ for a pulse duration of 69.9 ns. The beam quality factor Mx(2) was approximately 1.17 and My(2) was approximately 1.01 for the Tm,Ho:LuVO4 laser.
引用
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页数：5
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