Zhinan Zhang, Libo Li, Chunbo Zou, Xiongbo Hao, Jian Sun, Xuebin Liu, Pengchong Wang, Jie Liu. Stray Light Suppression in Sweep Mirror Field-Widened Space-Borne Fourier Transform Imaging Spectrometer[J]. Acta Optica Sinica, 2021, 41(10): 1029001
- Acta Optica Sinica
- Vol. 41, Issue 10, 1029001 (2021)
Fig. 1. Optical system of imaging spectrometer
Fig. 2. Incident field of view of imaging spectrometer at different sweep mirror locations
Fig. 3. Design schematic of outer baffle
Fig. 4. Design schematic of sweep mirror barrier
Fig. 5. Design of vanes
Fig. 6. 3D model of imaging spectrometer
Fig. 7. PST curves along visible and near-infrared spatial direction
Fig. 8. PST curves along visible and near-infrared spectral direction
Fig. 9. PST curves along shortwave infrared spatial direction
Fig. 10. PST curves along shortwave infrared spectral direction
Fig. 11. Radiation model of earth atmospheric light
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Table 1. Surface property setting in simulation model
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Table 2. Irradiance and signal-to-stray ratio at different sweep mirror locations
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