An Efficient Diode-Pumped Acousto-Optically Q-Switched Ho :YVO4 Laser

被引：0
作者：
Zhang, Wensheng [1 ]
Li, Linjun [1 ]
Zhou, Sheng [1 ]
机构：
[1] Harbin Normal Univ, Minist Educ, Sch Phys & Elect Engn, Key Lab Photon & Elect Bandgap Mat, Harbin 150025, Peoples R China
来源：
JOURNAL OF RUSSIAN LASER RESEARCH | 2023年 / 44卷 / 01期
关键词：
solid-state laser; diode-pumped; Q-switching; Ho; YVO4; TM;
D O I：
10.1007/s10946-023-10107-z
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate the continuous-wave and acousto-optically Q-switching performance of Ho :YVO4 laser with the diode-pumping structure. A fiber-coupled laser diode at 1.91 mu m is employed as the pump source. In the continuous-wave operation, a maximum output power of 4.11 W at 2053.2 nm is achieved at an absorbed pump power of 20.4 W, corresponding to a slope efficiency of 37.6% with respect to the absorbed pump power. In the Q-switching regime, a maximum pulse energy of 1.49 mJ at absorbed pump power of 20.4 W is obtained with a pulse repetition frequency of 2 kHz. We achieve simultaneously the minimum pulse width equal to 11.9 ns and the peak power equal to 125.5 kW.
引用
收藏
页码：56 / 60
页数：5
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