Effect of diffuse reflectance on the performance of a three-reflection specular blackbody

Douglas L. Cohen; David S. Smith

doi:10.1117/1.2698972

1 February 2007 Effect of diffuse reflectance on the performance of a three-reflection specular blackbody

Douglas L. Cohen, David S. Smith

Author Affiliations +

Optical Engineering, Vol. 46, Issue 2, 026401 (February 2007). https://doi.org/10.1117/1.2698972

Abstract

Infrared satellite sensors must be recalibrated in orbit using blackbodies small and light enough to fit on spacecraft. Emissivities very close to one can be achieved by observing closed interiors along rays making multiple reflections off surfaces that are both highly absorbing and specularly reflective. We analyze the effect of slightly nonideal specularly reflective surfaces having a small but finite diffuse reflectivity, showing how it limits the performance of a three-reflection specular blackbody.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Douglas L. Cohen and David S. Smith "Effect of diffuse reflectance on the performance of a three-reflection specular blackbody," Optical Engineering 46(2), 026401 (1 February 2007). https://doi.org/10.1117/1.2698972

Published: 1 February 2007

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