Fig. 1. Experimental device for Yb∶YAG thin-disk one-way double-pass regenerative amplification

Fig. 2. Dioptric power of thin-disk versus pump power

Fig. 3. Resonator design results. (a) Mode size evolution in resonator; (b) dynamic stability of resonator cavity

Fig. 4. Numerical results of theoretical model at 10 kHz repetition rate. (a) N versus time in one-way single-pass cavity; (b) pulse energy versus time in one-way single-pass cavity; (c) N versus time in one-way double-pass cavity; (d) pulse energy versus time in one-way double-pass cavity

Fig. 5. Output laser parameters of thin disk regenerative amplifier at 10 kHz repetition rate. (a) Output power after one-way double-pass regenerative amplification versus pump power; (b) optical-to-optical efficiency after one-way single-pass and double-pass regenerative amplifications versus pump power

Fig. 6. Average round-trip net gains in one-way single-pass and double-pass regenerative amplifiers versus pump power

Fig. 7. Output power stability of one-way double-pass regenerative amplifier

Fig. 8. Output beam quality

Fig. 9. Output laser parameters. (a) Optical-to-optical efficiency of pulse with 1 kHz repetition rate versus pump power; (b) output power and optical-to-optical efficiency measured at different repetition rates under continuous pump power of 500 W

Fig. 10. Output pulse waveforms at repetition rates of 1 kHz and 10 kHz