Chinese Optics, Volume. 15, Issue 5, 1029(2022)
Hyperspectral resolution ultraviolet dual channel common optical path imaging spectrometer
Figures & Tables(16)
Fig. 13. Spot diagram of overall channel 1 in imaging spectrometer
Fig. 14. Spot diagram of overall channel 2 in imaging spectrometer
Table 1. Main technical index requirements of the designed spectrometer
View tableView in ArticleTable 1. Main technical index requirements of the designed spectrometer
Parameter Value Height/km 600 Spectral range /nm 280~300、370~400 F 3.8 Swath/ km 100 Field of view /(°) 9.5 GSD/m ≤50 Spectral resolution /nm ≤0.1 Detector’s pixel size /μm 9×9 Detector’s array size /pixel 4096×4096 Sampling 2×2 binning MTF ≥0.5@27.8 lp/mm
Table 2. Final design parameters of the system
View tableView in ArticleTable 2. Final design parameters of the system
Parameter Value Spectral range /nm 280~300、370~400 F 3.8 Focal length of telescope f /mm 238 Field of view /(°) 9.5 GSD/m 45.37 Slit length/mm 40 diffraction order 1 grating period/nm 450 Spectral resolution /nm 0.069 MTF >0.8@27.8 lp/mm RMS/μm <9
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Lu ZHANG, Bo LI, Han-shuang LI, Guo-chao GU, Xiao-xu WANG, Ying-qiu SHAO, Guan-yu LIN, Xin YE. Hyperspectral resolution ultraviolet dual channel common optical path imaging spectrometer[J]. Chinese Optics, 2022, 15(5): 1029
Paper Information
Category: Original Article
Received: Jun. 14, 2022
Accepted: --
Published Online: Sep. 29, 2022
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