How scattering kills specular reflectance

Sheldon M. Smith

doi:10.1117/12.218337

1 September 1995 How scattering kills specular reflectance

Sheldon M. Smith

Proceedings Volume 2541, Optical Scattering in the Optics, Semiconductor, and Computer Disk Industries; (1995) https://doi.org/10.1117/12.218337
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

Infrared spectra of two 'black' baffle coatings, which were made both with and without large SiC scattering centers, demonstrate the strong attenuation of specular reflectance caused by scattering. This attenuation is described quantitatively by a reflecting layer model for rough, thick absorbing coatings. Infrared spectra and BRDFs of a very rough aluminum surface, which is a nearly perfect diffuse reflector, demonstrate how the surface scatter changes with wavelength from a region where specular reflection dominates to the region where scatter dominates.

Citation Download Citation

Sheldon M. Smith "How scattering kills specular reflectance", Proc. SPIE 2541, Optical Scattering in the Optics, Semiconductor, and Computer Disk Industries, (1 September 1995); https://doi.org/10.1117/12.218337

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