Jingjing Shi, Mengfan Li, Yadong Hu, Gaojun Chi, Xiangjing Wang, Jin Hong. Spectral Calibration and Matching Method for Ultraviolet-Visible Polarization Imaging Spectrometer[J]. Acta Optica Sinica, 2022, 42(9): 0930002
- Acta Optica Sinica
- Vol. 42, Issue 9, 0930002 (2022)
Fig. 1. Optical system of instrument
Fig. 2. Schematic diagram of spectral modulation module
Fig. 3. Field of view calibration site
Fig. 4. Image of parallel light acquired by detector
Fig. 5. Fitting results. (a) S beam; (b) P beam
Fig. 6. Pixel collection at different field of view. (a) S beam; (b) P beam
Fig. 7. Field of view calibration regression lines. (a) S beam; (b) P beam
Fig. 8. Schematic diagram of spectral calibration experiment
Fig. 9. Spectral image of mercury lamp acquired by detector
Fig. 10. Spectra of mercury lamp. (a) S beam; (b) P beam
Fig. 11. Spectral response curves of instrument at 404.66 nm of mercury lamp characteristic spectral line. (a) S beam; (b) P beam
Fig. 12. Spectral calibration regression lines. (a) S beam; (b) P beam
Fig. 13. Schematic diagram of outdoor experiment
Fig. 14. Solar spectrum acquired by instrument
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Table 1. Wavelength-pixel matching relationship
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Table 2. Uncertainty of spectral calibrationnm
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Table 3. Comparison of calibration value and standard value of Fraunhofer linesnm
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