Fig. 1. Schematic of experimental setup

Fig. 2. Transmittance of M3

Fig. 3. Spectrum of laser output from M3 with phase matching angle of 4.40°

Fig. 4. Non-collinear phase matching schematic for SPS process

Fig. 5. Transmittance curve of M3 when outputting first-order Raman laser

Fig. 6. Wavelengths of SPS Stokes laser and its first-order Raman laser versus phase-matching angle θ

Fig. 7. First-order Raman powers at different wavelengths

Fig. 8. Output power of 1116.34 nm Raman laser versus incident pumping power

Fig. 9. Powers of SPS Stokes laser and first-order Raman laser versus incident pumping power with tuning angle of 5.60° and pulse repetition frequency of 5 kHz

Fig. 10. Powers of 1064.16 nm initial fundamental laser and residual fundamental laser versus incident pumping power

Fig. 11. Waveforms of pulses with different wavelengths. (a) 1064.16 nm initial fundamental laser; (b) 1064.16 nm residual fundamental laser, 1088.12 nm SPS Stokes laser, and 1116.34 nm Raman laser

Fig. 12. Spot patterns of lasers with different wavelengths. (a) 1064.16 nm initial fundamental laser; (b) 1064.16 nm residual fundamental laser; (c) 1088.12 nm SPS Stokes laser; (d) 1116.34 nm first-order Raman laser