[1] Asida N. Reduced SWaP-C lenses for UAV and drone thermal imaging [C]//SPIE, 2021, 11737: 117370G.
[2] Yu Lijing, Tang Libin, Yang Wenyun, et al. Research progress of uncooled infrared detectors [J]. Infrared and Laser Engineering, 2021, 50(1): 20211013. (in Chinese)
[3] Zhang Faqiang, Fan Xiang, Zhu Bin, et al. Athermal design of long-wave infrared optical system with hybrid refractive/diffractive [J]. Infrared and Laser Engineering, 2015, 44(4): 1158-1163. (in Chinese) doi:  10.3969/j.issn.1007-2276.2015.04.010
[4] Cao Chao, Liao Zhiyuan, Bai Yu, et al. Design of large zoom ratio long-wave infrared zoom system with compound zoom method [J]. Opt Eng, 2018, 57(2): 025104.
[5] Bao Jiaqi, Ji Zijuan, Ge Zhenjie, et al. Design of a long wave infrared continuous zoom optical system with high resolution [J]. Opto-Electronic Engineering, 2014, 41(2): 75-81. (in Chinese)
[6] Wu Haiqing, Wang Peng. Design of miniaturized large-format uncooled infrared continuous zoom optical system [J]. Infrared, 2020, 41(2): 1-6. (in Chinese) doi:  10.3969/j.issn.1672-8785.2020.02.001
[7] 陶纯堪. 变焦距光学系统设计[M]. 北京. 电子国防工业出版社. 1988.

Tao Chunkan. Zoom Focus Optics System Design[M]. Beijing: National Defense Industry Press, 1988. (in Chinese)
[8] Zhang Faping, Zhang Huawei. Design of long-wave athermal optical system based on binary diffractions surface [J]. Infrared Technology, 2020, 42(1): 25-29. (in Chinese)
[9] Song Feijun, Chen Xiao, Liu Chang. Introduction to Modern Optical System Design[M]. Beijing: Science Press, 2019: 499. (in Chinese)