Laser marking of stainless steel with a Q-switched Nd:YAG laser

Jun Qi; Kunlin Wang; Mianchang Liang; Yunming Zhu; Minggang Fang

doi:10.1117/12.317903

15 August 1998 Laser marking of stainless steel with a Q-switched Nd:YAG laser

Jun Qi, Kunlin Wang, Mianchang Liang, Yunming Zhu, Minggang Fang

Proceedings Volume 3550, Laser Processing of Materials and Industrial Applications II; (1998) https://doi.org/10.1117/12.317903
Event: Photonics China '98, 1998, Beijing, China

Abstract

Laser marking of stainless steel with a Q-switched Nd:YAG laser has been studied in this paper. In experiments, three vital factors of a Q-switched Nd:YAG laser were chosen as control factors: electric current used for generating laser beam, pulse frequency and traverse speed of laser beam. Optical microscope and scanning electron microscope, surface profile instrument were used to measure effect of control factors on mark depth and width. An image-analysis system with a frame-grabber card and a charged-couple-device (CCD) was used to test mark contrast. The relationship between control factors and mark quality characteristics has been obtained.

Citation Download Citation

Jun Qi, Kunlin Wang, Mianchang Liang, Yunming Zhu, and Minggang Fang "Laser marking of stainless steel with a Q-switched Nd:YAG laser", Proc. SPIE 3550, Laser Processing of Materials and Industrial Applications II, (15 August 1998); https://doi.org/10.1117/12.317903

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