Fig. 1. Setup of the experiment

Fig. 2. Relationship between output power and pump power of the 1176 nm under continuous-wave pumping

Fig. 3. Influence of duty circle on average output power of 1176 nm Stokes under different pulse repetition frequencies

Fig. 4. Output power of 1176 nm wave as function of incident pump power at the pump duty cycle of 40%

Fig. 5. Oscilloscope trace of the 1176 nm Stokes output （100 kHz）

Fig. 6. Beam quality of the fundamental and Stokes wave