Fig. 1. Structure of new generation of ultra-intense and ultrashort laser comprehensive experimental device

Fig. 2. Structure of ultra-intense and ultrashort laser system with high-performance, high repetition frequency, and 800 nm band^[25]

Fig. 3. Structure of tunable mid-infrared new band ultra-intense and ultrashort laser system^[26]. (a) Schematic of 4 μm OPCPA process and post-compression system; (b) second-harmonic-generation-frequency-resolved optical gating (SHG-FROG) measurement; (c) schematic of CEP measurement

Fig. 4. Layout of SULF^[28]

Fig. 5. Layout diagram of high signal-to-noise ratio seed source of SULF-10 PW^[29]

Fig. 6. Spectral evolution (left) and signal-to-noise ratio result (right) before and after pulse purification using XPWG and OPA technologies

Fig. 7. Output spectra of front-end amplifiers

Fig. 8. Ti∶sapphire main amplifier of SULF-10 PW. (a) Layout of main amplifier; (b) diagram of time-domain multi-pulse pumping optical path; (c) schematic diagram of multi-pass amplification process for time-domain multi-pulse pumping; (d) schematic diagram of pump-amplification timing sequence for time-domain multi-pulse pumping; (e) evolution diagram of output spectra for Ti∶sapphire amplifier; (f) energy stability of main amplifier

Fig. 9. Flow chart of laser scheme with energy of up to 100 J and repetition rate of one pulse per minute

Fig. 10. Energy stabilities of fundamental and double frequency pulses of pump laser. (a) Fundamental pulse; (b) double frequency pulse

Fig. 11. Photo of inside of SULF-10 PW laser system compressor

Fig. 12. Pulse spectra compressed by 10 PW laser system. (a) Spectrum and phase; (b) compressed pulse width

Fig. 13. Layout diagram of adaptive optical system in 10 PW laser system^[28]

Fig. 14. Focal spot distributions of 10 PW laser system before and after deformable mirror and wavefront correction^[28]

Fig. 15. Flow chart of SULF-1 PW laser system^[33]

Fig. 16. Main technical parameters of SULF-1 PW laser system^[33]

Fig. 17. Chart of SEL-100 PW laser technology scheme

Fig. 18. Spectrum and pulse width of SEL-100 PW seed laser^[35]. (a) Seed laser pulse output spectrum and phase; (b) measured value and FTL pulse width of seed laser pulse

Fig. 19. Theoretically calculated gain curves of three nonlinear crystals of BBO, LBO, and DKDP^[37]

Fig. 20. Output spectra and spot distributions of SEL-100 PW front-end three-stage amplifier^[37]. (a) Output spectra of each OPCPA stage. (b) pump light near field spot of OPCPA2. (c) pump light near field spot of OPCPA3. (d) output light spot of OPCPA2. (e) output light spot of OPCPA3

Fig. 21. Output spectrum and pulse width of SEL-100 PW front-end after compression^[37]. (a) Output spectrum and phase of laser pulse with wavelength of 925 nm. (b) measured value and FTL pulse width of compressed laser pulse