Fig. 1. Schematic diagram of D³He proton radiography

Fig. 2. Streamline diagram of exploding pusher target, time-integrated fusion proton yield (blue line) and laser time profile (black line)

Fig. 3. Proton yield and D³He outer radius at peak compression (R_p) versus initial radius

Fig. 4. Proton yield and ion temperature versus laser energy

Fig. 5. Proton yield and ion temperature versus gas pressure

Fig. 6. Ion mean free path and Knudsen number versus gas pressure

Fig. 7. Proton yield and ion temperature versus thickness of SiO₂

Fig. 8. Optimum thickness of SiO₂ shell and proton yield versus laser energy

Fig. 9. Laser intensity distribution on the surface of exploding pusher target