Fig. 1. Schematic of conformal window optical system under different conditions. (a) 0° scan angle in Y-Z plane; (b) 0° scan angle in X-Z plane; (c) 15° scan angle in X-Z plane

Fig. 2. Variation curves of aberration with LA

Fig. 3. Flow chart of particle swarm optimization algorithm

Fig. 4. Schematic of wavefront encoding conformal optical system. (a) 0° viewing angle on X-Z plane; (b) 0° viewing angle on Y-Z plane; (c) 15° viewing angle on X-Z plane

Fig. 5. PSF images before optimization under different scan angles. (a) 0°; (b) 3°; (c) 6°; (d) 9°; (e) 12°; (f) 15°

Fig. 6. PSF images after optimization under different scan angles. (a) 0°; (b) 3°; (c) 6°; (d) 9°; (e) 12°; (f) 15°

Fig. 7. Simulation results of Lena images under different scan angles. (a) Original image; (b) 0°; (c) 3°; (d) 6°; (e) 9°; (f) 12°; (g) 15°

Fig. 8. MTF curves of static correction method under different FOV^[13]

Fig. 9. MTF curves of proposed method in each FOV