Fig. 1. Experimental configuration for the Nd:YAG/V3+:YAG laser.

Fig. 2. Output pulse energy versus absorbed pump pulse energy in free-running operation. Inset, spectrum of Nd:YAG laser emission

Fig. 3. PQS total output pulse energy versus absorbed pump pulse energy.

Fig. 4. (a) Variation of PRF with absorbed pump pulse energy; (b) variation of pulse width with absorbed pump pulse energy.

Fig. 5. Temporal pulse profile with a pulse width of 6.16 ns.

Fig. 6. Typical Q-switched pulse train. (a) Under an absorbed pump pulse energy of 5.8 mJ; (b) under an absorbed pump pulse energy of 16.4 mJ.