Fig. 1. Driving signal of Pockels cell, where solid curve denotes measured data, and dashed and dotted curve refer to simulated results from Eq. (6).

Fig. 2. Simulated pulse shapes of an EO Q-switched laser at different values of V_hl.

Fig. 3. Time-dependent losses of Q-switch at different values of V_hl.

Fig. 4. Stimulated emission cross-section versus doping concentration at laser wavelength.

Fig. 5. Laser pulse width and pulse energy versus doping concentration.

Fig. 6. Schematic diagram of EO Q-switched laser. VBG: volume Bragg grating; TFP: thin film polarizer; OC: output coupler; QWP: quarter wave plate; PC: Pockels cell; BS: beam splitter; PBS: polarization beam splitter; PD: photodiode; EM: energy meter.

Fig. 7. Single pulse shapes at different values of V_hl: (a) V_hl = V_λ/4, (b) laser from OC at V_hl = 1.4V_λ/4, (c) laser from TFP at V_hl = 1.4V_λ/4, (d) combination of the laser from OC and TFP at V_hl = 1.4V_λ/4.

Fig. 8. (a) Pulse width and (b) pulse energy of pulse laser combination versusV_hl/V_λ/4 for three different values of C_d.

Fig. 9. Plots of measured beam radius versus beam position in x and y directions for the combination of pulse lasers.