Determining The Inclination Of A Diffusing Surface With Regard To Viewing Direction By Speckle Photography

J. Montilla; R. Hernandez; M. Garcia

doi:10.1117/12.956162

18 April 1978 Determining The Inclination Of A Diffusing Surface With Regard To Viewing Direction By Speckle Photography

J. Montilla, R. Hernandez, M. Garcia

Author Affiliations +

Proceedings Volume 0136, 1st European Conf on Optics Applied to Metrology; (1978) https://doi.org/10.1117/12.956162
Event: First European Conference on Optics Applied to Metrology, 1977, Strasbourg, France

Abstract

A speckle-pattern image method is used to determine the inclination with regard to viewing direction of a diffusing plane surface. We recorded on a photographic plate a defocused double exposure image, illuminating along the viewing direction with two neighbouring wave-lengths. In the experiments we have used, too, diffusing plane dihedrons illuminated in this way. Good agreement with the equation founded is observed.

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J. Montilla, R. Hernandez, and M. Garcia "Determining The Inclination Of A Diffusing Surface With Regard To Viewing Direction By Speckle Photography", Proc. SPIE 0136, 1st European Conf on Optics Applied to Metrology, (18 April 1978); https://doi.org/10.1117/12.956162

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