[1] [1] Li Xiaotong. Geometrical Optics and Optical Design［M］. Hangzhou: Zhejiang University Press, 1997: 185-195.

[2] [2] Sun Wenshing, Liu Kundi, Pan Juiwen, et al.. Laser expander design of highly efficient blu-ray disc pickup head ［J］. Opt Express, 2009, 17(4): 2235-2246.

[3] [3] Georg Nadorff, Frank DeWitt IV, Sten Lindau, et al.. Variable xy-UV beam expander for high-power laser beam shaping［C］. SPIE, 2012, 8490: 84900I.

[4] [4] Liu Chongjin, Shi Guanghui. General situations of mechanical compensation zoom lens in it’s three development phases and it’s developing direction［J］. Appl Opt, 1992, 13(2): 1-5.

[5] [5] Jia Yong, Gao Yunguo. A switch zoom design for reflective laser beam expander［J］. Acta Optica Sinica, 2012, 32(10): 1022003.

[6] [6] Dai Shixun, Chen Huiguang, Li Maozhong, et al.. Chalcogenide glasses and their infrared optical applications ［J］. Infrared and Laser Engineering, 2012, 41(4): 847-852.