High-Power Continuous-Wave and Acousto-Optical Q-Switched Ho:(Sc0.5Y0.5)2SiO5 Laser Pumped by Laser Diode

被引：2
作者：
Duan, Xiao-Ming [1 ]
Che, Guang-Peng [1 ]
Shen, Ying-Jie [2 ]
Zheng, Li-He [3 ]
Su, Liang-Bi [3 ]
机构：
[1] Harbin Inst Technol, Natl Key Lab Tunable Laser Technol, Harbin 150001, Heilongjiang, Peoples R China
[2] Yantai Univ, Sch Optoelect Informat Sci & Technol, Yantai 264005, Peoples R China
[3] Chinese Acad Sci, Shanghai Inst Ceram, CAS Key Lab Transparent & Optofunct Inorgan Mat, Synthet Single Crystal Res Ctr, Shanghai 201899, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2019年 / 36卷 / 06期
基金：
中国国家自然科学基金;
关键词：
MU-M;
D O I：
10.1088/0256-307X/36/6/064201
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We experimentally investigate the continuous-wave (cw) and acousto-optical (AO) Q-switched performance of a diode-pumped Ho:(Sc0.5Y0.5)(2)SiO5 (Ho:SYSO) laser. A fiber-coupled laser diode at 1.91 mu m is employed as the pump source. The cw Ho:SYSO laser produces 13.0 W output power at 2097.9 nm and 56.0% slope efficiency with respect to the absorbed pump power. In the AO Q-switched regime, at a pulse repetition frequency of 5 kHz, the Ho: SYSO laser yields 2.1 mJ pulse energy and 21 ns pulse width, resulting in a calculated peak power of 100 kW. In addition, at the maximum output level, the beam quality factor of the Q-switched Ho: SYSO laser is measured to be about 1.6.
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页数：4
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