Fig. 1. Absorption length required to absorb N%of pump radiation by Nd∶YAG at different wavelengths for N%=60%,70%,80%,90%

Fig. 2. Absorption efficiency of slab to pump light with different linewidths versus central wavelength

Fig. 3. Relation between coupling output and angle θ

Fig. 4. Overall structure diagram of laser

Fig. 5. Structure of bonding slab

Fig. 6. Absorbed flux distribution per unit volume of segmented- and single-doping bonding slabs. (a) Segmented-doping bonding slab; (b) single-doping bonding slab

Fig. 7. Distribution of light spot at the end face of absorption zone

Fig. 8. Laser energy output and output ratio of Q-switching to free running at different temperatures

Fig. 9. Pulse duration and spot

Fig. 10. Variation of pulse energy with temperature under different pump currents

Fig. 11. Spectra of pump light

Fig. 12. Variation of pulse energy and absorption efficiency with temperature