Fig. 1. Scattering frequency spectrum of diamond crystal pumped by single-frequency 1064 nm laser

Fig. 2. Cavity enhanced factor P_P/P_in versus transmittance T₂ for different injection pump powers

Fig. 3. Diagram of experimental setup

Fig. 4. Transmission peak curves of resonant cavity for different injected pump powers

Fig. 5. Variation of Raman laser power with injected pump power

Fig. 6. Long-term power stability of laser at highest output power

Fig. 7. Single-frequency characteristics of laser at highest output power

Fig. 8. Beam quality of Raman laser