[1] Li Ronggang, Liu Lin, Zhang Xingde et al.. Infrared continuous zoom Ienses for 160×120 pixels uncooled thermal imager [J]. Laser & Infrared, 2006, 36(4):275～277

[2] Dong Keyan, Sun Qiang, Li Yongda et al.. Design of a refractive/diffractive hybrid infrared bifocal optical system [J]. Acta Physica Sinica, 2006, 55(9):4602～4607

[3] Thomas Stone, Nicholas George. Hybrid diffractive-refractive lenses and achromatic [J]. Appl. Opt., 1988, 27(14):2960～2971

[4] Bai Yuzhuo, Zhang Qiue, Li Maozhong. The design of infrared zoom optical system [J]. Journal of Changchun University of Science and Technology, 2007, 30(1):24～26

[5] R. E. Fischer, B. Tadic Galeb. Optical System Design [M]. New York: Mc Graw Hill, 2000. 128～198

[6] Wang Zhaoqi, Zhang Yinan, Fu Rulian et al.. Design of hybrid refractive-diffractive petzval objective in visible band [J]. Optics and Precision Engineering, 2005, 13(1):1～4

[7] Gao Hongyun, Xiong Tao, Yang Changcheng. Middle infrared continuous zoom optical system [J]. Optics and Precision Engineering, 2007, 15(7):1038～1043

[8] Wang Chunyan, Wang Zhijian, Zhou Qingcai. Solving the cam curve of the compensating group about zoom lens using dynamic optical theory [J]. Acta Optica Sinica, 2006, 26(6):891～894

[9] Wang Haitao, Guo Liangxian. Cooled thermal imaging mid-wavelength infrared zoom camera [J]. Infrared Technology, 2007, 29(1):8～11