Design of visible and infrared co-aperture tri-band zoom optical system

Bin Feng; HaoFei Zhang; Haozhe Fan; Haosheng Wang

doi:10.1117/12.3016483

1 February 2024 Design of visible and infrared co-aperture tri-band zoom optical system

Bin Feng, HaoFei Zhang, Haozhe Fan, Haosheng Wang

Proceedings Volume 13068, Fifth International Conference on Optoelectronic Science and Materials (ICOSM 2023); 130680V (2024) https://doi.org/10.1117/12.3016483
Event: Fifth International Conference on Optoelectronic Science and Materials (ICOSM 2023), 2023, Hefei, China

Abstract

In order to improve the detection and recognition ability of photoelectric imaging detection and recognition system, a visible light, medium wave and long wave three-band co-aperture zoom system based on folding structure is designed. The three-band zoom system is simulated by using the optical design software Zemax, and the image quality of the system is analyzed. The results show that the MTF curves of visible light are all higher than 0.35 at the Nyquist frequency of 106 lp/mm, the maximum dispersion spot size is close to 4.7μm, the MTF curves of mid-wave infrared are all higher than 0.4 at the Nyquist frequency of 20 lp/mm and the long wave infrared are all higher than 0.33 at the Nyquist frequency of 12 lp/mm. Maximum dispersion of the medium wave and long wave spot size are close to 25μm. The imaging quality of the system is good, all close to the diffraction limit and meeting the design requirements.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Bin Feng, HaoFei Zhang, Haozhe Fan, and Haosheng Wang "Design of visible and infrared co-aperture tri-band zoom optical system", Proc. SPIE 13068, Fifth International Conference on Optoelectronic Science and Materials (ICOSM 2023), 130680V (1 February 2024); https://doi.org/10.1117/12.3016483

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