Fig. 1. Schematic of the thin-disk distortion measurement

Fig. 2. Static wavefront mode analysis of the thin-disk

Fig. 3. Mode analysis at different pump powers. (a) Distortion mode analysis; (b) distortion pattern analysis

Fig. 4. Driver layout and simulatioin. (a) Driver layout diagram; (b) simulation analysis grid

Fig. 5. Stress and strain caused by the lens. (a) Strain; (b) stress

Fig. 6. Simulation results. (a) Surface response curve; (b) strain on the circumference

Fig. 7. Testing optical path

Fig. 8. Zernike pattern analysis. (a) Surface response with 100 V voltage; (b) Zernike model coefficient

Fig. 9. Driver layout and simulation. (a) Driver layout; (b) driver capability simulation; (c) coupling coefficient

Fig. 10. Experimental results. (a) 2D deformation mirror; (b) temperature rise during the light out process; (c) variation of the surface produced by the water pressure

Fig. 11. Deformable mirror performance test. (a) Static surface; (b) response diagram for 33 channel

Fig. 12. Composition of active correction system. (a) Control block dragram; (b) physical objects

Fig. 13. Optical path diagram of active correction test in the thin-disk laser cavitary

Fig. 14. Layout of active aberration correction in the thin-disk laser cavity

Fig. 15. Effect of defocus compensation residuals on output power

Fig. 16. Results of the intracavitary active correction. (a) Far field distribution by defocused deformation works; (b) wavefront distortion by defocused deformation works; (c) far field distribution after two deforming mirrors are corrected simultaneously; (d) wavefront distortion after two deforming mirrors are corrected simultaneously