Fig. 1. Schematic diagram of the conformal dome aberration correction based on free-form lens array

Fig. 2. Initial structure of the LA superposition of the conformal optical system

Fig. 3. Relationship between the Zernike coefficient of the initial conformal optical system and LA. (a) Z₁-Z₉; (b) Z₁₀-Z₁₈

Fig. 4. Relationship between Zernike coefficient and LA on the inner surface of the dome after correction. (a) Z₁-Z₉; (b) Z₁₀-Z₁₈

Fig. 5. Structure of the conformal optical system. (a) Lens array when the LA is 0°-50° in the Y-Z plane; (b) optical path of the imaging channel of the adjacent lens array

Fig. 6. Curvatures of the surfaces of different LA lens arrays after optimization

Fig. 7. Relationship between the Zernike coefficient and LA of the conformal optical system after adding lens array. (a) Z₁-Z₉; (b) Z₁₀-Z₁₈

Fig. 8. Scanning angle of rotation of each lens element around the Z axis

Fig. 9. Curvatures of each LA lens array surface after Zernike polynomial surface shape optimization

Fig. 10. Change curves of Zernike coefficients after surface shape optimization. (a) Front surface of the array; (b) rear surface of the array

Fig. 11. Relationship between Zernike coefficient and LA of conformal optical system after surface shape optimization. (a) Z₁-Z₉; (b) Z₁₀-Z₁₈

Fig. 12. MTF of the optical system at different LA. (a) 0°; (b) 10°; (c) 20°; (d) 30°; (e) 40°; (f) 50°

Fig. 13. Structure of the two-dimensional lens array

Fig. 14. Structure of a two-dimensional lens array conformal optical system. (a) Front surface; (b) rear surface

Fig. 15. Surface vector height of a two-dimensional free-form lens array. (a) Front surface; (b) rear surface

Fig. 16. Conformal dome optical system based on a two-dimensional free-form lens array. (a) Front surface; (b) rear surface