Glitter patterns analysis of rough surfaces

Josué Alvarez-Borrego

doi:10.1117/12.2299132

1 September 1996 Glitter patterns analysis of rough surfaces

Josué Alvarez-Borrego

Author Affiliations +

Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 27786X (1996) https://doi.org/10.1117/12.2299132
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of

Abstract

Several random bi-dimensional rough surfaces with known Gaussian statistics were made in the laboratory. The surfaces were coated with a thin film of aluminium to increase the surface reflectivity. Light coming from a source is incident to the surface at an angle theta and the light is reflected from the surface according to the distribution of slopes. Glitter patterns were measured with a CCD to differents reflection angles. Statistical properties were obtained and analyzed. At the same time, glitter patterns of sea surface were analyzed in order to obtain statistical properties of the surface heights. The results show that it is possible to obtain statistical properties of the surface heights from their glitter patterns.

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Josué Alvarez-Borrego "Glitter patterns analysis of rough surfaces", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 27786X (1 September 1996); https://doi.org/10.1117/12.2299132

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