Fig. 7

Degree of linear polarization versus phase angle, obtained using the T-matrix method for medium of m = 1.30 + i 0.02 and particle size x = ~ 1.20, compared to measurements of Iapetus’ trailing side (top panel); and for a medium with refractive index m = 2.61 + i 0.20 and particle size x = 0.74 compared to measurements of Iapetus’ leading side (bottom panel).
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