Fig. 1. Image of 740 nm monochromatic light

Fig. 2. Response curve of 740 nm monochromatic light before and after stray light correction

Fig. 3. Optical layout of forward limb imaging spectrometer

Fig. 4. Transmittance curve of filter

Fig. 5. Calibrated device on spectral stray light matrix

Fig. 6. Distribution of spectral stray light matrix of forward limb imaging spectrometer

Fig. 7. Field test device of forward limb imaging spectrometer

Fig. 8. Measured atmospheric radiance before and after stray light correction