Measurements of Light Scattering by Randomly Rough Surfaces of Known Statistics

A. S. Harley; M-J. Kim; J. C. Dainty

doi:10.1117/12.967272

1 January 1987 Measurements of Light Scattering by Randomly Rough Surfaces of Known Statistics

A. S. Harley, M-J. Kim, J. C. Dainty

Proceedings Volume 0813, Optics and the Information Age; (1987) https://doi.org/10.1117/12.967272
Event: 14th Congress of the International Commission for Optics, 1987, Quebec, Canada

Abstract

Over the past few decades, a very large number of theoretical studies of the scattering of electromagnetic waves by rough surfaces have been published'. Unfortunately, no satisfactory theory is available for surfaces of arbitrary statistical properties. Only solutions for certain surfaces and scattering geometries are available, e.g. Kirchhoff or physical optics theory (after Beckmann2) for surfaces of very low slope and long correlation length relative to the wavelength. Although experimental studies have been made, the surface statistics in the experiments have rarely been matched to the assumptions of theory, rendering the results of little value for verifying theories. The aim of the present study is to measure the angular distribution of light scattered by surfaces that are very well characterised and whose statistics closely approximate the theoretical assumptions.

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A. S. Harley, M-J. Kim, and J. C. Dainty "Measurements of Light Scattering by Randomly Rough Surfaces of Known Statistics", Proc. SPIE 0813, Optics and the Information Age, (1 January 1987); https://doi.org/10.1117/12.967272

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KEYWORDS

Light scattering

Scattering

Electromagnetic scattering

Optical testing

Scatter measurement

Surface finishing

Fractal analysis

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