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Proceedings Paper

Laser speckle spectral correlation and surface roughness
Author(s): Dominik Prazak; Miloslav Ohlidal
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Paper 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.

Paper Details

Date Published: 7 March 2001
PDF: 8 pages
Proc. SPIE 4356, 12th Czech-Slovak-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, (7 March 2001); doi: 10.1117/12.417850
Show Author Affiliations
Dominik Prazak, Czech Metrology Institute (Czech Republic)
Miloslav Ohlidal, Brno Univ. of Technology, Masaryk Univ., and Czech Metrology Institute (Czech Republic)


Published in SPIE Proceedings Vol. 4356:
12th Czech-Slovak-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics
Jan Perina; Miroslav Hrabovsky; Jaromir Krepelka, Editor(s)

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