Surface roughness determination by digital laser speckle spectral correlation: Fresnel approximation of scalar Kirchhoff theory

Miloslav Ohlidal; Dominik Prazak

doi:10.1117/12.525511

19 November 2003 Surface roughness determination by digital laser speckle spectral correlation: Fresnel approximation of scalar Kirchhoff theory

Miloslav Ohlidal, Dominik Prazak

Author Affiliations +

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.525511
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

Correlation of laser speckle fields generated by light of two different wavelengths, which illuminates a randomly rough surface, is solved within the framework of the scalar Kirchhoff theory of wave scattering from random rough surfaces. The Fresnel approximation is used in description of the scattered wave. The solution obtained is applied to surface roughness determination.

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Miloslav Ohlidal and Dominik Prazak "Surface roughness determination by digital laser speckle spectral correlation: Fresnel approximation of scalar Kirchhoff theory", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.525511

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