Diode-pumped continuous wave and Q-switched operation of a c-cut Tm,Ho:YAlO(3) laser.
We report on a diode-pumped, cryogenic and room temperature operation of a Tm,Ho:YAlO3 (c-cut) laser. In a temperature of 77 K, an optical-optical conversion efficiency of 27% and a slope efficiency of 29% were achieved with the maximum continuous-wave (CW) output power of 5.0 W at 2.13 microm. Acousto-optic switched operation was performed at pulse repetition frequency (PRF) from 1 kHz to 10 kHz, the highest pulse energy of 3.3 mJ in a pulse duration of 40 ns was obtained. In room temperature (RT), the maximum CW power of Tm,Ho:YAlO3 laser was 160 mW with a slope efficiency of 11% corresponding to the absorbed pump power.
Yao
Bao-Quan
BQ
National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China. Yaobq08@hit.edu.cn
Li
Lin-Jun
LJ
Zheng
Liang-Liang
LL
Wang
Yue-Zhu
YZ
Zhao
Guang-Jun
GJ
Xu
Jun
J
D003080:Cold Temperature; D004867:Equipment Design; D019544:Equipment Failure Analysis; D054023:Lasers, Semiconductor; D012815:Signal Processing, Computer-Assisted / Q000295:instrumentation*