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- W4380450572 abstract "In the field of infrared detection, as the application scenarios become more and more complex, the infrared optical system of a single band is limited by the impact of the detection environment, resulting in too little information received, which can no longer meet the detection requirements. Multispectral detection becomes the future research hotspots of such optical systems. Taken advantage of the basic principle of the Gaussian optics and the primary aberration theory, an off-axis three mirror optical system is devised to avoid the central occlusion and improve the energy utilization. The simulation results show that the full field modulation transfer function at the spatial frequency of 20lp/mm in the 4.2~4.45μm band is greater than 0.6, and the MTF of 20lp/mm in the 5.8~7.3μm band is greater than 0.5. In addition, reasonable allocation of system tolerance will greatly affect the imaging capability of the system. Using tolerance sensitivity analysis and inversion sensitivity analysis, calculate the impact of each tolerance on the imaging performance of the system, and reasonably allocate the tolerance. After simulation analysis, the MTF of the system is greater than 0.4 according to the given common error processing and assembly." @default.
- W4380450572 created "2023-06-14" @default.
- W4380450572 creator A5071400654 @default.
- W4380450572 creator A5091085286 @default.
- W4380450572 date "2023-04-04" @default.
- W4380450572 modified "2023-09-28" @default.
- W4380450572 title "Design and tolerance analysis of multispectral infrared off-axis three mirror optical system" @default.
- W4380450572 doi "https://doi.org/10.1117/12.2666631" @default.
- W4380450572 hasPublicationYear "2023" @default.
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