High-power diode-end-pumped Tm:YAP and Tm:YLF slab lasers
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摘要:
Diode-end-pumped continuous-wave(CW)Tm:YAP and Tm:YLF slab lasers are demonstrated.The acut Tm:YAP and Tm:YLF slabs with doping concentrations of 4 at.-% and 3.5 at.-%,respectively,are pumped by fast-axis collimated laser diodes at room temperature.The maximum CW output powers of 72 and 50.2 W are obtained from Tm:YAP and Tm:YLF,respectively,while the pump power is 220 W,corresponding to the slope efficiencies of 37.9% and 26.6%,respectively.