Yijun Shi, Ziqi Xu. Optical system design of star sensor and stray light suppression technology[J]. Infrared and Laser Engineering, 2021, 50(9): 20210015
- Infrared and Laser Engineering
- Vol. 50, Issue 9, 20210015 (2021)
Fig. 1. Schematic diagram of the structure of the star sensor
Fig. 2. Optical system of star sensor
Fig. 3. MTF curve
Fig. 4. Radial energy distribution diagram of the detector
Fig. 5. System distortion curve
Fig. 6. Two-dimensional model of the hood
Fig. 7. Three-dimensional model of the hood
Fig. 8. Scattering model of the hood
Fig. 9. Scattering model of optical parts
Fig. 10. Analysis and calculation steps of stray light
Fig. 11. Analysis ray trace of stray light
Fig. 12. Diffraction PST vs off-axis angle
Fig. 13. Total stray light analysis result of the system
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Table 1. Different off-axis angle PST of the system
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