Yang Liu, Bo Li, Guochao Gu, Hanshuang Li, Xiaoxu Wang. Design of Light and Small Short-Wave Infrared Auto-Collimation Hyperspectral Resolution Imaging Spectrometer[J]. Acta Optica Sinica, 2024, 44(3): 0322004
- Acta Optica Sinica
- Vol. 44, Issue 3, 0322004 (2024)
Fig. 1. System structure diagram
Fig. 2. Schematic diagram of spectral imaging system
Fig. 3. Light diagram of grating surface
Fig. 4. Design results of telescope system. (a) Two-dimensional graph; (b) three-dimensional graph
Fig. 5. MTF curves of telescope system
Fig. 6. RMS of telescope system
Fig. 7. Design results of auto-collimation system. (a) Two-dimensional graph; (b) three-dimensional graph
Fig. 8. MTF curves of auto-collimation system at different wavelenghs. (a) 1610 nm; (b) 1625 nm; (c) 1640 nm
Fig. 9. RMS of auto-collimation system at different wavelenghs. (a) 1610 nm; (b) 1625 nm; (c) 1640 nm
Fig. 10. Design results of imaging spectrometer. (a) Two-dimensional graph; (b) three-dimensional graph
Fig. 11. MTF curves of imaging spectrometer at different wavelenghs. (a) 1610 nm; (b) 1625 nm; (c) 1640 nm
Fig. 12. RMS of imaging spectrometer at different wavelenghs. (a) 1610 nm; (b) 1625 nm; (c) 1640 nm
Fig. 13. MTF tolerance analysis of imager spectrometer. (a) Tangential plane; (b) sagittal plane
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Table 1. Design indexes
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Table 2. Tolerance distribution results
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