Fig. 1. Schematic of thin-disk laser with 24 pump beam passes

Fig. 2. Absorption efficiency of thin-disk crystal versus number of multi-pass

Fig. 3. Energy level structure of Yb∶YAG

Fig. 4. Output power versus transmittance of output coupler

Fig. 5. Threshold pump power versus transmittance of output coupler

Fig. 6. Intracavity photon density versus time

Fig. 7. Photograph of 24-pass pump module

Fig. 8. Pump spot on the thin-disk Yb∶YAG crystal

Fig. 9. Experimental setup of continuous-wave Z-type resonator

Fig. 10. Experimental setup of cavity-dumped Yb∶YAG thin-disk laser

Fig. 11. Output power of continuous-wave and optical-optical efficiency versus incident pump power

Fig. 12. Beam quality and spot diagram at continuous-wave output

Fig. 13. Average output power of cavity-dumped thin-disk laser at 100 kHz versus pump power

Fig. 14. Temporal pulse train and pulse profile of cavity-dumped Yb∶YAG thin-disk laser. (a) Temporal pulse train at repetition rate of 100 kHz; (b) pulse profile with duration of 7.452 ns

Fig. 15. Beam quality and intensity distribution of output pulse versus pump power

Fig. 16. Three-dimensional graph of intensity distribution of output pulse