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High Precision All-Reflection Fourier Transform Imaging Spectrometer Spectral Calibration Using Homogeneous Broadening of the Wave Number Model

CUI De-qi,LIAO Ning-fang,CAO Wei-liang,TAN Bo-neng,TIAN Li-xun MOE Key Laboratory of Photoelectronic Imaging Technology and System,School of Optoelectronics,Beijing Institute of Technology,Beijing 100081,China  
All-reflection Fourier transform imaging spectrometer(ARFTIS) is a novel imaging spectrometer.The specialty is not only high spectrum resolution,but also wide band and non-chromatism.It is good for remote sensing field of wide band imaging.Single spectrum calibration,average calibration and weighted average calibration are three common calibration methods.However,they all are limited.Because they cannot meet the demand on both convenience and high precision.In the present paper,the authors propose a novel model for spectrum calibration.It can work in high precision with single spectrum calibration.At the same time,the method is steady,and the average error is less than 5% with multi-bands calibration.It provides a convenient way for the non-professional calibration situation and outer simply calibration work.
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