Fig. 1. Photo of band-pass filter of integrated three visible to near infrared bands for COCTS (HY-1D)

Fig. 2. Normalized response spectra of B7 band of COCTS (HY-1C/D) and other spaceborne ocean color sensors for atmospheric correction

Fig. 3. Normalized transmission spectra of B7 waveband of COCTS (HY-1C/D) with different incident beams

Fig. 4. B6 transmission spectra of B6 filter before and after reliability testing

Fig. 5. Simplified lightpath diagram for polarization analysis of COCTS (HY-1C/D)

Fig. 6. Measured polarization properties of dominant polarization optics, where I_p and I_s are responsibilities of optics to p-polarized light and s-polarized light

Fig. 7. Comparison of normalized response spectra of COCTS (HY-1C/D) and other spaceborne ocean color sensors in ocean color channels

Fig. 8. LPS results of COCTS (HY-1D) in B1-B8 bands with different scanning angles. (a) Calculated results based on measured results of optical elements; (b) measured results of COCTS

Fig. 9. Global chlorophyll-a mass concentration from spaceborne ocean color sensors. (a) COCTS (HY-1C); (b) COCTS (HY-1D); (c) MODIS (Aqua); (d) VIIRS (SNPP)