High-power diode-end-pumped Tm:LiLuF4 slab lasers.
Diode-end-pumped continuous-wave and acousto-optics Q-switched Tm:LiLuF(4) slab lasers were demonstrated. The a-cut Tm:LiLuF(4) slab with doping concentrations of 2 at.% was pumped by fast-axis collimated laser diodes at room temperature. The maximum continuous-wave output power of 10.4 W was obtained while the absorbed pump power was 31.6 W and the cavity length was 30 mm. For Q-switched operation, we got the maximum pulse energy of 8 mJ with pulse width of 315.2 ns at 1 KHz pulse repetition frequency.
Cheng
Xiaojin
X
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800, China. xjcheng@siom.ac.cn
Zhang
Shuaiyi
S
Xu
Jianqui
J
Peng
Haiyan
H
Hang
Yin
Y
D000042:Absorption; D004867:Equipment Design; D005461:Fluorine / Q000737:chemistry; D007834:Lasers; D008094:Lithium / Q000737:chemistry; D008187:Lutetium / Q000737:chemistry; D008422:Materials Testing; D055095:Optics and Photonics; D009991:Oscillometry / Q000379:methods; D013053:Spectrophotometry / Q000379:methods; D013696:Temperature; D013932:Thulium / Q000737:chemistry
D005461:Fluorine; D008187:Lutetium; D013932:Thulium; D008094:Lithium