Fig. 1. Schematic diagram of the effect of multi-mirror vignetting under large field of view

Fig. 2. Schematic diagram of active optical correction process of multiple mirrors

Fig. 3. Wavefront of different fields of view and corresponding power spectrum

Fig. 4. Different wavefront aberrations in the edge field of view

Fig. 5. Verification of wavefront sensing process using defocused star image

Fig. 6. Verification of multi-mirror wavefront sensing process using defocused star image

Fig. 7. Closed loop correction process