Fig. 1. Structure of ring resonator

Fig. 2. Relationship between laser pulse width and cavity length

Fig. 3. Fundamental transverse mode spot radius at different positions

Fig. 4. Schematic of magnifying head and wedge mirror. (a) Five-way lateral pumping crystal structure; (b) wedge mirror

Fig. 5. Distribution of pump light in crystal rod. (a) Theoretical distribution; (b) actual distribution

Fig. 6. Relationship between pumping energy and different parameters

Fig. 7. Pulse time waveform in Q-switched mode

Fig. 8. Spectral characteristic curve of pulsed laser

Fig. 9. Beam quality factors in different directions, illustration shows intensity distribution of far-field spot