Fast fabrication of diffractive patterns on glass by excimer laser ablation

Meinertz, J.; Gödecke, A.; Richter, Lukas Janos; Ihlemann, J.

doi:10.1016/j.optlastec.2022.108148

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Diffractive Marking1

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2023

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Cited by 5 publications

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“…With diffractive marking, a laser interference pattern is created on the glass work piece which, at sufficiently high laser fluence and interference contrast, leads to a periodic ablation pattern [1]. What remains is a regular microrelief which, when illuminated, produces brilliant spectral colors similar to what is known from holographic security features on banknotes (Fig.…”

Section: Diffractive Markingmentioning

confidence: 99%

Precision marking of glass with excimer lasers

Meinertz¹,

Richter²,

Beckmann³

et al. 2023

PhotonicsViews

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Current laser marking of glass by CO2 lasers is mainly based on the generation of cracks or melt pits. Improved quality in the form of damage free, high contrast, and high resolution marking is possible by using deep ultraviolet emitting excimer lasers. Various methods of ablative microstructure formation or nanoparticle implantation are available to achieve colored marks on glass formed by opalescence, chemical modification, or plasmonic absorption.

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Section: Diffractive Markingmentioning

confidence: 99%