Yu WANG, Yihuai LU, Haijin ZHOU, Fuqi SI, Guohua LIU, Zhen CHANG, Fang LIN, Wenqing LIU. Design and implementation of imaging circuit for satellite-borne high dynamic range differential optical absorption spectrometer[J]. Optics and Precision Engineering, 2024, 32(13): 2017
- Optics and Precision Engineering
- Vol. 32, Issue 13, 2017 (2024)
Fig. 1. Optical layout of imaging spectrometer
Fig. 2. Scanning working mode on ground for EMI spectrometer
Fig. 3. Illustration of absorption signal in differential spectral range
Fig. 4. Relative intensity of solar spectra
Fig. 5. QE charts of CCD with and without UV coating
Fig. 6. Block diagram of imaging circuit
Fig. 7. Engineering module of CCD imaging circuit
Fig. 8. Small cooling vacuum vessel dedicated for test on detector
Fig. 9. Instrument for flat field test and photon transfer curve plotting
Fig. 10. Photon transfer curves for full-frame and 4-binning image
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Table 1. Single-point measurement values in different accumulation times
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Table 2. Performance of detectors might be able to utilized
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