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Proceedings Paper

Light scattered by coated paper
Author(s): Egon Marx; Jun-Feng Song; Theodore V. Vorburger; Thomas Robert Lettieri
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Paper Abstract

Angle-resolved light scattering (ARLS) was used to investigate the roughness of coatings on glossy paper. Angular spectra were measured for laser light scattered from several glossy paper samples and from uncoated paper. These spectra are compared to those calculated using the Beckmann model of a random surface that is isotropic and rough in two dimensions. Such a surface is characterized by its rms roughness and autocorrelation function, which are determined from surface profiles measured with a stylus instrument. There is very good agreement between the measured and the computed ARLS spectra. The surfaces are too rough to produce a specular beam large enough to provide an accurate value of the rms roughness, but ARLS provides information about the coating roughness when the measured spectra are cornpared to computed ones.

Paper Details

Date Published: 1 January 1991
PDF: 9 pages
Proc. SPIE 1332, Optical Testing and Metrology III: Recent Advances in Industrial Optical Inspection, (1 January 1991); doi: 10.1117/12.51133
Show Author Affiliations
Egon Marx, National Institute of Standards and Technology (United States)
Jun-Feng Song, National Institute of Standards and Technology (United States)
Theodore V. Vorburger, National Institute of Standards and Technology (United States)
Thomas Robert Lettieri, National Institute of Standards and Technology (United States)


Published in SPIE Proceedings Vol. 1332:
Optical Testing and Metrology III: Recent Advances in Industrial Optical Inspection
Chander Prakash Grover, Editor(s)

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