[1] Hanping WU. Optoelectronic systems design foundation. Tsinghua University Press(2021).

[2] Lin LIU, Yiliang HE, Xingde ZHANG et al. Design of infrared dual-band optical system based on harmonic diffraction characteristics. Laser and Infrared, 42, 85-88(2012).

[3] Huanyu LIU, Liang ZHANG, Yu LIU et al. Optical design of a dual-band Infrared system based on harmonic diffractive. Electro-optical and control, 18, 50-53(2011).

[4] Jianzhong ZHANG, Le YANG, Bang-hui GUO et al. Optical design of MWIR/LWIR scene projector with harmonic diffractive. Infrared and Laser Engineering, 42, 1758-1764(2013).

[5] Shenghui LI, Xin LI, Hongjing LI. Design of infrared dual-band common-aperture athermalized optical system based on harmonic diffraction. Infrared Technology, 42, 19-24(2020).

[6] Manman YANG, Bin FENG, Yuanyuan SHI et al. Design of double-layer harmonic diffraction infrared athermal optical system. Journal of Xi'an Technological University, 40, 153-159+193(2020).

[7] Zhantao LI, Yutao FENG, Bin HAN et al. Design of optical system for multi-band all-sky airglow imager. Acta Photonica Sinica, 48, 0522003(2019).

[8] Yangliu ZHANG, Zhoupin SU, Hongxiang PAN et al. Optical design and tolerance analysis of freeform automotive head-up display. Acta Photonica Sinica, 49, 0922002(2020).

[9] Jun LIU. Application of freeform surface in imaging optical Systems(2016).

[10] W T PLUMMER, R E FISCHER. Free-form optical components in some early commercial products. International Society for Optics and Photonics, 5865, 586509(2005).

[11] H S KIM. Compact mid-wavelength infrared zoom camera with 20:1 zoom range and automatic athermalization. Optical Engineering, 41, 1661-1667(2002).

[12] J N VIZGAITIS, A HASTINGS. Dual band infrared picture-in-picture systems. Optical Engineering, 52, 061306(2013).

[13] Zhongxiu XIONG. Design of the airborne freeform-surface conformal optical system(2017).

[14] Qiang SUN, Bin YU, Zhaofeng WANG et al. Study on hyperspectral detection system with the harmonic diffractive element in infrared dual-band. Acta Physica Sinica, 53, 756-761(2004).

[15] Di LOU. Harmonic diffraction optics design theory and application research(2008).

[16] Qunlong LIU, Hanping WU, Yan ZHANG et al. Structural features and technical analysis of new infrared optical system. Electro-optic Technology Application, 29-34(2010).

[17] Jie LI, Xiao LUO, Hanping WU. Design of airborne infrared optical system based on refraction/diffraction hybrid. Laser and Infrared, 50, 215-223(2020).