Laboratory Calibration Of Field Reflectance Panels

S F Biggar; J Labed; R P Santer; P. N Slater; R D Jackson; M S Moran

doi:10.1117/12.945691

12 October 1988 Laboratory Calibration Of Field Reflectance Panels

S F Biggar, J Labed, R P Santer, P. N Slater, R D Jackson, M S Moran

Proceedings Volume 0924, Recent Advances in Sensors, Radiometry, and Data Processing for Remote Sensing; (1988) https://doi.org/10.1117/12.945691
Event: 1988 Technical Symposium on Optics, Electro-Optics, and Sensors, 1988, Orlando, FL, United States

Abstract

A method used for calibrating field reflectance panels in the visible and shortwave infrared wavelength range is described. The directional reflectance factor of painted barium sulfate (BaSO4) panels is determined. The reference for this method is the hemispherical reflectance of pressed polytetrafluoroethylene (halon) powder prepared according to National Bureau of Standards (NBS) directions. The panels and a radiometer are mounted on rotation stages to measure the reflectance factor at different incidence and view angles. The sensor can be any laboratory or field filter radiometer small enough to mount on the apparatus. The method is used to measure the reflectance factors of halon and BaSO4 panels between 0.45 and 0.85 micrometers. These reflectance factors are compared to those measured by a field apparatus. The results agree to within 0.013 in reflectance at incidence angles between 15 and 75 degrees.

Citation Download Citation

S F Biggar, J Labed, R P Santer, P. N Slater, R D Jackson, and M S Moran "Laboratory Calibration Of Field Reflectance Panels", Proc. SPIE 0924, Recent Advances in Sensors, Radiometry, and Data Processing for Remote Sensing, (12 October 1988); https://doi.org/10.1117/12.945691

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