Author Affiliations
1Key Laboratory of Adaptive Optics, Chinese Academy of Sciences, Chengdu, Sichuan 610209, China2School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China3Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, Sichuan 610209, China4University of Chinese Academy of Sciences, Beijing 100049, Chinashow less
Fig. 1. Model of optical system
Fig. 2. Flow chart of PD algorithm
Fig. 3. Far-field images with aberration. (a) Image of the focal plane; (b) image of the defocused plane; (c) image of the saturated focal plane; (d) image of the saturated defocused plane; (e) fusion image of the focal plane; (f) fusion image of defocused plane
Fig. 4. Flow chart of AET-PDWFS
Fig. 5. Aberration distribution of incident wavefront
Fig. 6. Distribution of light intensity. (a) Focal plane image of PDWFS; (b) defocused plane image of PDWFS; (c) focal plane image of AET-PDWFS; (d) defocused plane image of AET-PDWFS
Fig. 7. Results of wavefront restoration. (a) Wavefront of PDWFS restored; (b) wavefront of AET-PDWFS restored; (c) wavefront residual of PDWFS restored; (d) wavefront residual of AET-PDWFS restored; (e) Zernike coefficient reconstructed by PDWFS; (f) Zernike coefficient reconstructed by AET-PDWFS
Fig. 8. Comparison of wavefront restoration accuracy of the two methods under different signal-to-noise ratios. (a) PV; (b) RMS
Fig. 9. Schematic diagram of the experimental device
Fig. 10. Images collected from experiment. (a) Regular image of the focal plane; (b) regular image of the defocused plane; (c) saturated image of the focal plane; (d) saturated image of the defocused plane
Fig. 11. Images of the AET-PDWFS fusion. (a) Image of the focal plane; (b) image of the defocused plane
Fig. 12. Aberration plate shape measured by MARK IV interferometer
Fig. 13. Results of wavefront reconstruction. (a) PDWFS; (b) AET-PDWFS