Surface treatment with small laser spots: an approach for the comparison of process parameters

Stefan Kreling; Hinrich Grefe; Klaus Dilger

doi:10.1117/12.2212547

4 March 2016 Surface treatment with small laser spots: an approach for the comparison of process parameters

Stefan Kreling, Hinrich Grefe, Klaus Dilger

Proceedings Volume 9736, Laser-based Micro- and Nanoprocessing X; 97360V (2016) https://doi.org/10.1117/12.2212547
Event: SPIE LASE, 2016, San Francisco, California, United States

Abstract

Pulsed lasers with spot diameters in the μm range are widely used for the laminar treatment of surfaces. The laminar treatment is achieved by a two-dimensional overlap of the small laser pulses going from lines to a surface. This publication states the numerical description of the average amount of laser pulses per surface increment and its spread considering processing parameters such as line feed, pulse repetition rate and hatch distance. Based on the numerical results an empirical formula was derived and the basic approach of calculating an accumulated energy as a benchmark for comparing pre-treatment parameters was investigated for different laser systems.

Citation Download Citation

Stefan Kreling, Hinrich Grefe, and Klaus Dilger "Surface treatment with small laser spots: an approach for the comparison of process parameters", Proc. SPIE 9736, Laser-based Micro- and Nanoprocessing X, 97360V (4 March 2016); https://doi.org/10.1117/12.2212547

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