Fig. 1. (a) Physical diagram of the experimental setup (pump source omitted). (b) Schematic diagram of the experimental setup.

Fig. 2. Optical transmittance properties of the IM and OC.

Fig. 3. CW output laser characteristics at 604 nm.

Fig. 4. Average output power versus absorbed pump power under different repetition rates of 6 kHz, 20 kHz, and 50 kHz.

Fig. 5. Pulse duration versus absorbed pump power under different repetition rates of 6 kHz, 20 kHz, and 50 kHz.

Fig. 6. Single pulse energy versus absorbed pump power under different repetition rates of 6 kHz, 20 kHz, and 50 kHz.

Fig. 7. Peak power versus absorbed pump power under different repetition rates of 6 kHz, 20 kHz, and 50 kHz.

Fig. 8. Typical oscilloscope traces of the pulse trains and temporal pulse profile under different repetition rates of 6 kHz, 20 kHz, and 50 kHz.

Fig. 9. Beam quality factors M² at 604 nm and the beam profile captured by CCD camera.