Fig. 1. The layout of the SULF^[15].

Fig. 2. Schematic diagram of the SULF-1 PW beamline.

Fig. 3. Schematic of the grating compressor with a vacuum chamber.

Fig. 4. Shot-to-shot energy fluctuation of the amplified pulses. The inset shows the beam profile measured at the output of the Final Amp.

Fig. 5. Measured spectra after the RA (black thin solid line), the Pre-Amp (red dashed line), the Power Amp 1 (green dot-dashed line), the Power Amp 2 (blue dotted line) and the Final Amp (magenta thick solid line).

Fig. 6. The duration and spectral phase of the compressed pulse.

Fig. 7. The focal spot measured in SULF-1 PW beamline (a) before and (b), (c) after optimization of the grating compressor by using $f/26.5~\text{OAP}$.

Fig. 8. Temporal contrast of the compressed pulses.

Fig. 9. Beam pointing stability measured after the compressor.