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Proceedings Paper

Absolute measurement of diffuse and specular reflectance using an FTIR spectrometer with an integrating sphere
Author(s): Robert A. Shepherd
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Paper 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.

Paper Details

Date Published: 1 September 1990
PDF: 15 pages
Proc. SPIE 1311, Characterization, Propagation, and Simulation of Infrared Scenes, (1 September 1990); doi: 10.1117/12.21820
Show Author Affiliations
Robert A. Shepherd, General Dynamics (United States)


Published in SPIE Proceedings Vol. 1311:
Characterization, Propagation, and Simulation of Infrared Scenes
Milton J. Triplett; Wendell R. Watkins; Ferdinand H. Zegel, Editor(s)

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