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18 December 2019 Error analysis of field of view registration accuracy of hyper-resolution spatial heterodyne spectrometer for hydroxyl radical OH
Haiyan Luo, Xiong Wei, Hailiang Shi, Dihu Chen, Zhiwei Li
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Proceedings Volume 11337, AOPC 2019: Optical Spectroscopy and Imaging; 1133705 (2019) https://doi.org/10.1117/12.2540486
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China
Abstract
Combined with two-channel one-dimensional field of view imaging technique and Spatial Heterodyne Spectroscopy (SHS), hyper-resolution spatial heterodyne spectrometer can be used for hydroxyl radical OH detection with limb observations from a satellite. The accuracy of field registration of the spectrometer two channel directly affects the detection accuracy of hydroxyl radical OH density, and the spatial stop and spectral stop of each channel are in different positions on the path of light. The method of spatial and spectral dimension field registration is given first, and then the method of field of view registration between channels is given. The quantitative effect of the parameters of the registration method on the accuracy of the field registration is analyzed theoretically, and the verification test is carried out based on the long focal length collimator. The results show that the accuracy of field of view registration in this paper is better than 99.2%. It provides a theoretical basis for the tolerance of the spatial field of view of the spectrometer.
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Haiyan Luo, Xiong Wei, Hailiang Shi, Dihu Chen, and Zhiwei Li "Error analysis of field of view registration accuracy of hyper-resolution spatial heterodyne spectrometer for hydroxyl radical OH", Proc. SPIE 11337, AOPC 2019: Optical Spectroscopy and Imaging, 1133705 (18 December 2019); https://doi.org/10.1117/12.2540486
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KEYWORDS
Spectroscopy
Image registration
Heterodyning
Atmospheric sensing
Sensors
Error analysis
Diffraction gratings
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