Laser speckle spectral correlation and surface roughness

Dominik Prazak; Miloslav Ohlidal

doi:10.1117/12.417850

7 March 2001 Laser speckle spectral correlation and surface roughness

Dominik Prazak, Miloslav Ohlidal

Proceedings Volume 4356, 12th Czech-Slovak-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics; (2001) https://doi.org/10.1117/12.417850
Event: 12th Czech-Slovak-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2000, Velke Losiny, Czech Republic

Abstract

The topic of this paper is theoretical consideration on utilization of light scattering for measurement of surface roughness. We use correlation of laser speckle fields generated by light of two different wavelengths, which illuminates investigated randomly rough surface. We present the solution of the problem within the framework of the scalar Kirchhoff theory of wave scattering from random rough surfaces. We use the Fresnel approximation in description of the scattered wave. Our solution is a contribution to the Kirchhoff theory of electromagnetic wave scattering from random roughly rough surfaces.

Citation Download Citation

Dominik Prazak and Miloslav Ohlidal "Laser speckle spectral correlation and surface roughness", Proc. SPIE 4356, 12th Czech-Slovak-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, (7 March 2001); https://doi.org/10.1117/12.417850

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