Fig. 1. Analysis of polarization at one direction of view. Data were collected at 09:01h Eastern Daylight Time on 16 August 1999, with the polarimeter looking North at 60° elevation. (A) Averaged, uncorrected spectra of intensity at three orientations of the polarization analyzer mounted in front of the radiance collector. Blue line, analyzer at 0° (horizontal); gray line, analyzer at 45°; red line, analyzer at 90°. (B) Spectra of partial, linear polarization obtained by analyzing the data in A. Blue line, normalized radiance (corrected for spectrometer spectral response; the curve is normalized to 5.24x10¹¹photonscm^-2sterad^-1nm^-1s^-1); black line, e-vector angle (0° is horizontal, with angles increasing counterclockwise; right-hand axis); green line, degree of polarization (1.0 is fully polarized light).

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