Fig. 1. Basic structure of typical adaptive optics system

Fig. 2. Control loop block diagram of adaptive optics system

Fig. 3. Closed loop frequency characteristic curves of control loop

Fig. 4. Frequency characteristic curves of open loop transfer function of control loop

Fig. 5. Frequency characteristic curves of closed-loop transfer function of control loop

Fig. 6. Frequency characteristic curves of control loop error transfer function

Fig. 7. Influence analysis curves of closed-loop bandwidth of high voltage amplifier during 2 kHz sampling

Fig. 8. Influence analysis curves of closed-loop bandwidth of high voltage amplifier during 1 kHz sampling

Fig. 9. Block diagram of two-stage amplification structure of high voltage amplifier

Fig. 10. Integrated block diagram of electric control part of adaptive optics system

Fig. 11. Physical drawing of high voltage amplifier cabinet

Fig. 12. Physical layout of experimental prototype of high voltage amplification system

Fig. 13. Sine wave signal response curves of high voltage amplifier

Fig. 14. Amplified signal rising response curve of high voltage amplifier

Fig. 15. Response curve of high voltage amplifier with DA converter as analog source

Fig. 16. Contrast of light source imaging effect before （left） and after （right） aberration correction

Fig. 17. Power spectra density of residual wavefront error before and after correction

Fig. 18. Residual wavefront error before and after correction