18 January 2002 MODIS solar diffuser stability monitor performance
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Abstract
A Solar Diffuser (SD) panel, made of Spectralon, is used for the on-orbit calibration of MODIS reflective solar bands in the spectral range from 0.41 to 2.1 micron. A Solar Diffuser Stability Monitor (SDSM), designed to track the SD degradation during its on-orbit operation, is used at same time during SD calibration by alternatively viewing the Sun though a 1.44% attenuation screen and the Sun-illuminated SD. On-orbit observations have shown serious ripples in the SDSM Sun view response. In this paper, a theoretical model, developed to simulate the SDSM on-orbit performance, is described and the simulation results are compared with the actual on-orbit observations.
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Jun-Qiang Sun, Xiaoxiong Xiong, Bruce W. Guenther, "MODIS solar diffuser stability monitor performance", Proc. SPIE 4483, Earth Observing Systems VI, (18 January 2002); doi: 10.1117/12.453449; https://doi.org/10.1117/12.453449
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