[1] Wu W C, Jin G F, Zhu J. Optical design of the freeform reflective imaging system with wide rectangular FOV and low F-number[J]. Results in Physics, 15, 102688(2019).

[2] Wang H L, Chen J F, Huang H Y et al. Development of off-axis three-mirror system based on free-form surface[J]. Infrared and Laser Engineering, 52, 20220523(2023).

[3] Pan H X, Su Z P. Design of off-axis two-mirror laser-shaping system with freeform surface[J]. Laser & Optoelectronics Progress, 57, 070801(2020).

[4] Liu X, Chang J, Feng S et al. Optical design of common-aperture multispectral and polarization optical imaging system with wide field of view[J]. Chinese Physics B, 28, 084201(2019).

[5] Cao C, Liao S, Liao Z Y et al. Design of off-axis reflective optical system with large field-of-view based on freeform surfaces[J]. Acta Optica Sinica, 40, 0808001(2020).

[6] Miao L, Tian B Y, Sun N C et al. Design of freeform surface off-axis reflective optical systems based on quantum genetic algorithm[J]. Infrared and Laser Engineering, 50, 20210365(2021).

[7] Qin Z C, Wang X D, Ren C M et al. Design method for a reflective optical system with low tilt error sensitivity[J]. Optics Express, 29, 43464-43479(2021).

[8] Wang B H, Zhang X G, Feng Y H et al. Design of visible/infrared common aperture modular optical system[J]. Laser & Optoelectronics Progress, 60, 0122001(2023).

[9] Sang X Z, Chen Z D, Gao X et al. Design and fabrication of a wide-angle off-axis three-mirror head-mounted display system[J]. Optik, 191, 139-145(2019).

[10] Zhang Y L, Wang X, Su Z P et al. Freeform optical surface design in an off-axis reflective imaging system by a double seed curve extension algorithm[J]. Applied Optics, 60, 942-948(2021).

[11] Beier M, Hartung J, Peschel T et al. Development, fabrication, and testing of an anamorphic imaging snap-together freeform telescope[J]. Applied Optics, 54, 3530-3542(2015).

[12] Liu R X, Li Z X, Duan Y T et al. A design for a manufacturing-constrained off-axis four-mirror reflective system[J]. Applied Sciences, 10, 5387(2020).

[13] Cheng D W, Xu C, Yang T et al. Off-axis reflective imaging system design with a conicoid-based freeform surface[J]. Optics Express, 30, 9590-9603(2022).

[14] Liu L, Hu B, Zhou F et al. Design of compact off-axis four-mirror optical system with two-dimensional large field of view[J]. Spacecraft Recovery & Remote Sensing, 41, 73-84(2020).

[15] Chen S Y, Xue S, Zhai D D et al. Measurement of freeform optical surfaces: trade-off between accuracy and dynamic range[J]. Laser & Photonics Reviews, 14, 1900365(2020).

[16] Rolland J P, Davies M A, Suleski T J et al. Freeform optics for imaging[J]. Optica, 8, 161-176(2021).

[17] Moein S, Suleski T J. Freeform optics for variable extended depth of field imaging[J]. Optics Express, 29, 40524-40537(2021).

[18] Meng Q Y, Wang H Y, Yan Z Q. Residual aberration correction method of the three-mirror anastigmat (TMA) system with a real exit pupil using freeform surface[J]. Optics & Laser Technology, 106, 100-106(2018).

[19] Wang M H, Zhao G X, Shi Q R et al. Design method and application of free-form surface imaging optical system[J]. Acta Optica Sinica, 43, 0822012(2023).

[20] Wang S X, Kong L B, Lü H Y. Advances in measurement and error evaluation technique of optical freeform surfaces[J]. Acta Optica Sinica, 43, 0822013(2023).

[21] Zhang X J. Progress in advanced manufacturing technology of space optical system:from aspheric surface to free-form surface[J]. Acta Optica Sinica, 43, 0822009(2023).

[22] Fuerschbach K, Rolland J P, Thompson K P. A new family of optical systems employing φ-polynomial surfaces[J]. Optics Express, 19, 21919-21928(2011).

[23] Zhu J, Hou W, Zhang X D et al. Design of a low F-number freeform off-axis three-mirror system with rectangular field-of-view[J]. Journal of Optics, 17, 015605(2015).

[24] Cao Y Q, Shen Z J. Design of off-axis four-mirror reflective optical system for visible and infrared dual-band[J]. Chinese Journal of Quantum Electronics, 39, 324-333(2022).

[25] Xu F G, Huang W. Application of genetic algorithm in the design of off-axis four-mirror optical system[J]. Optics and Precision Engineering, 25, 2076-2082(2017).

[26] Pan J H[M]. The design, manufacture and test of the aspherical optical surfaces(2004).

[27] Zhang Y Y. Elite archives-driven particle swarm optimization for large scale numerical optimization and its engineering applications[J]. Swarm and Evolutionary Computation, 76, 101212(2023).

[28] Wu Y, Wang L P, Yu J et al. Design method for off-axis aspheric reflective optical system with extremely low aberration and large field of view[J]. Applied Optics, 59, 10185-10193(2020).

[29] Wei S L, Fan Z C, Zhu Z B et al. Design of a head-up display based on freeform reflective systems for automotive applications[J]. Applied Optics, 58, 1675-1681(2019).

[30] Meng Q Y, Wang H Y, Liang W J et al. Design of off-axis three-mirror systems with ultrawide field of view based on an expansion process of surface freeform and field of view[J]. Applied Optics, 58, 609-615(2019).

[31] Li X Y, Ni D W, Yang M Y et al. Design of large field of view space camera optical system based on freeform surfaces[J]. Acta Photonica Sinica, 47, 0922003(2018).

[32] Ma Z X, Li X Y, Ren Z G et al. Freeform-surface-based optical detection system with large relative aperture and large field of view[J]. Acta Optica Sinica, 40, 1722002(2020).

[33] Takaki N, Papa J C, Bauer A et al. Off-axis conics as base surfaces for freeform optics enable null testability[J]. Optics Express, 28, 10859-10872(2020).