Fig. 1. Thermal aberrations of Si reflector of different absorptivity

Fig. 2. Thermal aberrations of reflection and transmission for SiO₂ and Al₂O₃

Fig. 3. Thermal diffusion of different materials vs time

Fig. 4. Distribution of thermal aberration of SiO₂ under uniform and non-uniform laser irradiation

Fig. 5. RMS of thermal aberration under uniform and non-uniform laser spot irradiation as a function of time

Fig. 6. Sketch of a horizontal closed tube

Fig. 7. Thermal aberrations in a closed horizontal tube

Fig. 8. Temperature distribution of media gas at different time

Fig. 9. Thermal aberrations of media gas under different pressure

Fig. 10. Thermal aberrations of gas of different ε

Fig. 11. Component interface of laser source

Fig. 12. Component interface of reflector

Fig. 13. Component interface of media gas

Fig. 14. Component of analysis for wavefront and laser in far-field

Fig. 15. Sketch of inner thermal effect simulation in Easylaser

Fig. 16. Complementary effect of thermal aberration between optical components and media gas

Fig. 17. Laser distribution in far-field

Fig. 18. Characters of laser propagation in far-field