Fig. 1. 5 kW continuous / pulse high power laser experimental device structure

Fig. 2. Small signal gain coefficient varies with length under different pump power

Fig. 3. Calculation model of one-way and two-way output energy density

Fig. 4. Continuous / pulse composite laser output

Fig. 5. Laser pulse in pulse and continuous / pulse operation at 10 kHz

Fig. 6. Laser pulse in pulse and continuous / pulse operation at 100 kHz