Acta Photonica Sinica, Volume. 49, Issue 6, 0611001(2020)
CCD Imaging System Design for Geostationary Satellite-borne Differential Optical Absorption Spectrometer
Figures & Tables(10)
Fig. 2. Imaging system structure of geostationary satellite-borne DOAS spectrometer
Fig. 8. Two-dimensional distribution of SO2 slant column intensity
Table 1. Main parameters of CCD47-20
View tableView in ArticleTable 1. Main parameters of CCD47-20
Parameters Value Pixel size 13 μm×13 μm Active pixels ( H ×V )1 024×1 024 Quantum efficiency at 300~500 nm ＞50% Maximum readout frequency 5 MHz Output responsivity 4.5 μV/e- Peak charge storage 100 ke-/pixel Dark signal at －25℃ ＜100 e-/pixel/s Readout noise at －25℃ at 1 MHz(RMS) ＜6 e-
Table 2. Parameters of high-speed and high-resolution observation mode
View tableView in ArticleTable 2. Parameters of high-speed and high-resolution observation mode
Detection mode High speed mode High resolution mode Average signal to noise ratio 1 131 1 131 Spatial resolution at 40°N (N/S×E/W) 10 km×20 km 5 km×5 km Detection cycle time (maximum) 515 s 3 315 s
Tools
Get Citation
Copy Citation Text
Yue-lin LU, Yu WANG, Fu-qi SI, Hai-jin ZHOU, Zhen CHANG, Liang XI. CCD Imaging System Design for Geostationary Satellite-borne Differential Optical Absorption Spectrometer[J]. Acta Photonica Sinica, 2020, 49(6): 0611001
Paper Information
Category: Imaging Systems
Received: Feb. 15, 2020
Accepted: Apr. 14, 2020
Published Online: Nov. 26, 2020
The Author Email: WANG Yu (yuwang@aiofm.ac.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20