Product Code: ICAL07_1804

Nd:Yag Laser Absorptance of Rough Metal Surfaces
Authors:
David Bergstrom, Mid Sweden University; Ostersund Sweden
John Powell, Laser Expertise Ltd.; Nottingham Great Britain
Alexander F. H. Kaplan, Lulea University of Technology; Lulea Sweden
Presented at ICALEO 2007

The Nd:YLF/Nd:YAG laser absorptance of rough metal surfaces has been investigated using 3D ray tracing simulations on computer-generated Gaussian random rough metal surfaces. The impact of multiple scattering, shadowing and Fresnel-equation based angle dependence on the overall absorption is discussed.

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