Fig. 1. Schematic diagram of the overall laser optical system

Fig. 2. Schematic diagram of pulse stacking scheme

Fig. 3. Temporal profiles of laser pulse

Fig. 4. Designed spatial profiles of laser pulse

Fig. 5. Measured transverse distributions (upper) and horizontal cuts (lower) of laser pulse at different positions around the nominal imaging plane. From left to right, the distances to the nominal imaging plane are −5 cm, 0 cm and 5 cm.

Fig. 6. Measurement results of laser pulse position and energy