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Zhang, Jinwei; Schulze, Felix; Mak, Ka Fai; Pervak, Vladimir; Bauer, Dominik; Sutter, Dirk; Pronin, Oleg (2018): High-Power, High-Efficiency Tm:YAG and Ho:YAG Thin-Disk Lasers. In: Laser & Photonics Reviews, Vol. 12, No. 3, 1700273
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Continuous-wave Tm:YAG and Ho:YAG thin-disk lasers with maximum optical-to-optical efficiencies of 41% and 58% respectively are presented. Pumped by a 780 nm laser diode, the Tm:YAG laser generated a maximum output power of 24 W. In comparison, the Ho:YAG laser, pumped by a fiber laser at 1908 nm, delivered a maximum output power of 50 W. The reported output powers are, to the best of our knowledge, the highest among all thin-disk lasers emitting at approximate to 2 m, and provide a solid foundation for the further development of next-generation 2 m thin-disk technologies.