Formation of Oxide Layers with Femtosecond Laser on Steel Surfaces for Color Marking
https://doi.org/10.21791/IJEMS.2020.2.22.
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Copyright (c) 2020 Gergely Juhász, Miklós Berczeli, Zoltán Weltsch
This work is licensed under a Creative Commons Attribution 4.0 International License.
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With the appearance of ultrashort pulse lasers, the researchers have begun working on various laser marking technology. Atmospheric heating and ablation of a surface induce laser coloration of metal surfaces. However, their application is still problematic today in the industry. With the appearance of femtosecond pulse lasers, a new concept became available for color marking. This concept is based on the formation of laser-induced periodic surface structures (LIPSS) on metal surfaces. The purpose of this article is to summarize the literature of laser color marking with ultrashort pulse lasers.
