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Proceedings Paper

The effect of weave orientation on the BRDF of tarp samples
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Paper Abstract

The results of bi-directional reflectance distribution function (BRDF) measurements of four tarp samples obtained from NASA’s Stennis Space Center (SSC) are presented. The measurements were performed in the Diffuser Calibration Facility (DCaF) at NASA’s Goddard Space Flight Center (GSFC). The samples are of similar material structure but different reflectance. The experimental data were obtained with a Xe arc lamp/monochromator light source as well as laser light sources in the ultraviolet, visible, and near infrared spectral regions. The BRDF data were recorded at four incident zenith angles and at five incident azimuth angles. The dependence of the measured BRDF on weave orientation was analyzed and presented. 8 degree irectional/hemispherical reflectance data were also measured for each tarp sample, and those results are also reported. All results are NIST traceable through calibrated standard plates. The specular and diffuse scatter data obtained from these studies are used by NASA’s SSC in their field-based, vicarious calibration of satellite and airborne remote sensing instruments.

Paper Details

Date Published: 16 October 2003
PDF: 8 pages
Proc. SPIE 5189, Surface Scattering and Diffraction III, (16 October 2003); doi: 10.1117/12.505865
Show Author Affiliations
Georgi Georgiev, Science Systems and Applications, Inc. (United States)
James J. Butler, NASA Goddard Space Flight Ctr. (United States)

Published in SPIE Proceedings Vol. 5189:
Surface Scattering and Diffraction III
Zu-Han Gu; Alexei A. Maradudin, Editor(s)

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