Computer tomographic sounder with hyper-spectral resolution for OH radicals in the upper and middle atmosphere

Hailiang Shi; Wei Xiong; Zhiwei Li; Haiyan Luo

doi:10.1117/12.2540936

12 March 2020 Computer tomographic sounder with hyper-spectral resolution for OH radicals in the upper and middle atmosphere

Hailiang Shi, Wei Xiong, Zhiwei Li, Haiyan Luo

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Proceedings Volume 11438, 2019 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology; 1143805 (2020) https://doi.org/10.1117/12.2540936
Event: 2019 International Conference on Optical Instruments and Technology, 2019, Beijing, China

Abstract

OH radicals in the upper and middle atmosphere are important oxidants and play an important role in atmospheric photochemistry. Current space-based payload can only obtain profile information. In view of the inhomogeneity of atmospheric two-dimensional distribution field, a hyper-spectral OH radical tomography detection scheme based on one-dimensional imaging spatial heterodyne spectroscopy is proposed. In this paper, the basic principle of SHS is introduced. Then it introduces the detection mode of computer chromatography and the principle of atmospheric inversion. Finally, it introduces the design of OH chromatography sounder based on the principle of SHS technology. In order to verify the effectiveness of the design, the data simulation is carried out.

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Hailiang Shi, Wei Xiong, Zhiwei Li, and Haiyan Luo "Computer tomographic sounder with hyper-spectral resolution for OH radicals in the upper and middle atmosphere", Proc. SPIE 11438, 2019 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology, 1143805 (12 March 2020); https://doi.org/10.1117/12.2540936

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KEYWORDS

Tomography

Atmospheric sensing

Spectroscopy

Heterodyning

Imaging spectroscopy

Atmospheric modeling

Prototyping

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