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27 March 2022 Measurement and analysis of polarization quantitative error for grating spectrometer
Chengguang Cui, Xiaolin Lin, Hefei Liu, Ling Li, Chao Zhang
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Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 12169B1 (2022) https://doi.org/10.1117/12.2626421
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China
Abstract
The grating spectrometer has high polarization sensitivity due to the existence of grating and other dispersive elements, which will directly affect the quantitative data acquisition accuracy of the instrument. Therefore, it is necessary to establish the polarization factor calculation model and measurement method of the grating spectrometer, and then quantitatively describe the polarization effect of the instrument.. The analysis method of quantitative polarization error is founded in this paper, and the polarization measurement device of incident light at discrete wavelength is proposed, in order to achieve the monitor of quantitative polarization error of hyper-spectral detector at central-wavelength. Finally, the quantitative polarization error is analyzed in radiation calibration, and the in-flight polarization error is predicted based on the polarization of incident light measured by SCIMACHY.
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Chengguang Cui, Xiaolin Lin, Hefei Liu, Ling Li, and Chao Zhang "Measurement and analysis of polarization quantitative error for grating spectrometer", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 12169B1 (27 March 2022); https://doi.org/10.1117/12.2626421
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KEYWORDS
Polarization
Spectroscopy
Error analysis
Quantization
Calibration
Remote sensing
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