Infrared and Laser Engineering, Volume. 54, Issue 1, 20240375(2025)
Multi-modal space target sensing system with shared aperture and detectors
Figures & Tables(14)
Fig. 1. Multi-mode space target sensing system architecture shared by aperture and detector
Fig. 2. Visible-near-infrared and shortwave optics share aperture systems
Fig. 3. Visible-near-infrared optical system image quality diagram. （a） Spot diagram; （b） MTF
Fig. 4. Short-wave infrared optical system image quality diagram. （a） Spot diagram; （b） MTF
Fig. 6. Mid-wave infrared optical system image quality diagram. （a） Spot diagram; （b） MTF
Fig. 10. MTF of visible-near-infrared optical system at high and low temperatures
Fig. 11. MTF of short-wave infrared optical system at high and low temperatures
Fig. 12. MTF of mid-wave infrared fixed focus optical system at high and low temperatures
Fig. 13. MTF of mid-wave infrared fixed zoom optical system （100 mm focal length） at high and low temperatures
Table 1. Main parameters of optical system
View tableView in ArticleTable 1. Main parameters of optical system
Parameters Visible- near-infrared Short-wave infrared Mid-wave infrared fixed focus Mid-wave infrared zoom Wavelength band/μm 0.4-0.9 0.95-1.7 3.6-4.8 3.6-4.8 Relative aperture 1: 5 1: 5.1 1: 4 1: 4 Focal length/mm 800 820 600 30-300 Sensor array 1920 ×1080 1280 ×1024 1280 ×1024 1280 ×1024 Pixel size/μm 9 10 12 12 Angle resolution/mrad 0.011 0.012 0.02 0.4-0.04
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Xiaoheng WANG, Jianqing LV, Boyang CHENG, Yizhuang ZHANG, [in Chinese]. Multi-modal space target sensing system with shared aperture and detectors[J]. Infrared and Laser Engineering, 2025, 54(1): 20240375
Paper Information
Category: 光学设计
Received: Oct. 2, 2024
Accepted: --
Published Online: Feb. 12, 2025
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