Fig. 1. Schematic diagram of positive branch confocal unstable laser resonator

Fig. 2. Schematic diagram of hundred hertz and hundred millijoules all-solid-state nanosecond laser

Fig. 3. Temperature control and system connection diagram

Fig. 4. Time sequence control diagram of hundred-hertz laser

Fig. 5. Near-field spot and beam divergence angle spot of hundred hertz and hundred millijoules laser

Fig. 6. Test of pulse width, laser energy and stability of hundred hertz and hundred millijoules laser