Lianghua Wen, Qinying Huang, Xunqian Xu. Optimizing Correction Algorithm for Adaptive Optics Based on Square of Wavefront Gradient[J]. Laser & Optoelectronics Progress, 2019, 56(24): 240103
- Laser & Optoelectronics Progress
- Vol. 56, Issue 24, 240103 (2019)
Fig. 1. Schematic of wavefront sensorless adaptive optics system
Fig. 2. Convergence simulations of SPGD algorithm under 100 groups of random wavefront aberrations with D 0/r 0=2.5. (a) Results of SPGD algorithm based on M ; (b) results of SPGD algorithm based on J
Fig. 3. Convergence simulations of SPGD algorithm under 100 groups of random wavefront aberrations with D 0/r 0=5. (a) Results of SPGD algorithm based on M ; (b) results of SPGD algorithm based on J
Fig. 4. Statistic average SR curves of SPGD algorithms under 100 groups of random wavefront aberrations
Fig. 5. Experimental system for correcting wavefront aberrations of FZP. (a) Experimental system; (b) principle of experiment
Fig. 6. Far-field spots of FZP with and without wavefront aberration correction. (a) Spot before correction; (b) corrected spot with optimization index of M ; (c) corrected spot with optimization index of J ; (d) corrected spot with optimization index of P
Fig. 7. Peak intensity in iteration of SPGD algorithm
Fig. 8. Effective radius of far-field spot in iteration of SPGD algorithm
Fig. 9. Control voltage of SPGD algorithm. (a) Control voltage based on optimization index of M ; (b) control voltage based on optimization index of J ; (c) control voltage based on optimization index of P
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