Specific features of laser beams
Power lasers and surface treatments

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M1642 V2 Article

Specific features of laser beams
Power lasers and surface treatments

Authors : Cécile LANGLADE-BOMBA, Bernard VANNES, Pierre SALLAMAND, Dominique GREVEY

Publication date: March 10, 2002 | Lire en français

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1. Specific features of laser beams

By now, the theory of laser radiation is well known [1][2][3][4] , so we'll confine ourselves to highlighting the specific features of industrial power laser beams.

The term laser (Light Amplification by Stimulated Emission of Radiation) refers to a source emitting spatially and temporally coherent monochromatic radiation.

In the case of power lasers, this property of spatial and temporal coherence is very limited and is not used for surface treatments.

1.1 Energy absorption

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