High-power, high-efficiency cw diode-pumped Tm:YAP laser emitting at 1.99 μm
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We elaborate a high-power, high-efficiency cw Tm:YAP laser dual-end-pumped by the laser diode. With 41.9 W pumping power, we obtain a maximum cw output power of 14.7 W at 1988 nm with a slope efficiency of 43.8%, corresponding to an optical conversion efficiency of 35.1%. At the maximum laser output, we measure a beam quality of M 2 ~ 1.9.
Keywordssolid-state laser diode pumping Tm:YAP laser
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