Fig. 1. Experiment layout of 1314 nm Nd∶YLF laser

Fig. 2. Continuous-wave output power versus incident pump power under different coupling output rates

Fig. 3. Beam quality of continuous-wave laser measured under output power of 20.4 W

Fig. 4. Laser emission spectra under different incident pump powers when T_OC=5%

Fig. 5. Spot sizes of different fundamental mode Gaussian beams on gain medium versus incident pump power. (a) 1314 nm; (b) 1321 nm

Fig. 6. Average output power and single pulse energy versus repetition frequency under incident pump power of 70 W and T_OC of 5%

Fig. 7. Pulse width and peak power versus repetition frequency under incident pump power of 70 W and T_OC of 5%

Fig. 8. Pulse sequence diagrams and pulse waveform diagrams at different repetition frequencies when pump power is 70 W. (a)(c) 1 kHz; (b)(d) 20 kHz