1955•Journal of the Optical Society of AmericaRequires access

An Integrating Sphere for Measuring Diffuse Reflectance in the Near Infrared

John A. Jacquez, Wayne McKeehan, John Huss, James M. Dimitroff, Hans F. Kuppenheim

Abstract

The construction and performance of a 414-in. diameter comparison type integrating sphere for a spectrophotometer designed by W. L. Derksen and T. I. Monahan is described. This combination allows the measurement of diffuse spectral reflectance in the near infrared to 2.6μ with an accuracy of 1%.

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Key concepts: Integrating sphere, Diffuse reflection, Diffuse reflectance infrared fourier transform, Infrared, Optics, Reflectivity, Materials science, Near-infrared spectroscopy