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1 September 1990 Absolute measurement of diffuse and specular reflectance using an FTIR spectrometer with an integrating sphere
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Abstract
A novel method for the absolute measurement of both diffuse and specular reflectance using a Fourier transform infrared spectrophotometer with an integrating sphere is presented. By mounting the sample in the center and referencing off the wall of the sphere, total and diffuse reflectance measurements can be made without having to use a reference sample. The specular reflectance is then calculated as the difference between the total and diffuse curves.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Robert A. Shepherd "Absolute measurement of diffuse and specular reflectance using an FTIR spectrometer with an integrating sphere", Proc. SPIE 1311, Characterization, Propagation, and Simulation of Infrared Scenes, (1 September 1990); https://doi.org/10.1117/12.21820
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