Yuan Ju, Chunzhu Zhao, Mingxu Piao, Yu Guo, Shanshan Gu, Hanqing Zheng. Dynamic Aberration Correction for Conformal Dome Based on Free-Form Lens Array[J]. Acta Optica Sinica, 2021, 41(9): 0922002
- Acta Optica Sinica
- Vol. 41, Issue 9, 0922002 (2021)
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
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