Fig. 1. Experimental setup of the LD end-pumped passively Q-switched Nd:YAP/YVO₄ Raman laser

Fig. 2. The measured laser output spectra

Fig. 3. The average output power of the first-Stokes light versus incident pump power

Fig. 4. The pulse width and pulse repetition frequency(PRF) of the first-Stokes light versus incident pump power

Fig. 5. The temporal pulse profiles and pulse trains of the first-Stokes light measured under an incident pump power of 9.87 W