[1] Liu J, Liu W Q, Kang Y S et al. Optical design of off-axis four-mirror optical system with wide field of view[J]. Acta Optica Sinica, 33, 1022002(2013).

[2] Li J, Che Y, Wang J A et al. Optical system design for multi-spectral laser radar with refraction and reflection in co-path[J]. Chinese Journal of Lasers, 45, 0510008(2018).

[3] Ni D W, Li X Y, Yang M Y et al. Large field of view space-based optical detection system based on freeform surfaces[J]. Acta Optica Sinica, 38, 1122003(2018).

[4] Seidl K, Knobbe J, Grüger H. Design of an all-reflective unobscured optical-power zoom objective[J]. Applied Optics, 48, 4097-4107(2009).

[5] Yu X, Zhang B, Hong Y F. A method for initial configuration of off-axis three-mirror system[J]. Laser & Optoelectronics Progress, 52, 112201(2015).

[6] Wang Y Q, Liu W Q, Zhang D L et al. Design of off-axis three-mirror optical system with wide field of view based on transfer matrix[J]. Infrared and Laser Engineering, 45, 0418003(2016).

[7] Zhang L, An Y, Jin G. Optical design of the uncoaxial three-mirror system with wide field of view and long focal length[J]. Infrared and Laser Engineering, 36, 278-280(2007).

[8] Nakano T, Tamagawa Y. Configuration of an off-axis three-mirror system focused on compactness and brightness[J]. Applied Optics, 44, 776(2005).

[9] Shi S X, Wang X E, Liu J S[M]. Physical optics and applied optics, 318-395(2008).

[10] Pan J H[M]. Design, processing and testing of optical aspheric surfaces, 157-167(2004).

[11] Lin J. The studys on off-ais three-mirror optical system with broad field of view[D]. Changchun: Changchun University of Science and Technology, 28-33(2013).

[12] Pan S H, Pan Z F, Chen J F. Design of freeform surface in compact, off-axis, three-mirror system[J]. Electronics Optics & Control, 26, 97-102(2019).