ArticleMaterials (Basel, Switzerland)2021
Squared Focal Intensity Distributions for Applications in Laser Material Processing.
Article in Materials (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Formation of Homogeneous Nanostructure via Interference of Square Flattop Femtosecond Laser Pulses.Nanomaterials (Basel, Switzerland) · 2025Article
- Special Issue "Advanced Pulse Laser Machining Technology".Materials (Basel, Switzerland) · 2023Article
- A Solution to the Clearance Problem of Sacrificial Material in 3D Printing of Microfluidic Devices.Micromachines · 2022Article
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4 authors.
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Abstract
Tailored intensity profiles within the focal spot of the laser beam offer great potential for a well-defined control of the interaction process between laser radiation and material, and thus for improving the processing results. The present paper discusses a novel refractive beam-shaping element that provides different squared intensity distributions converted from the Gaussian output beam of the utilized femtosecond (fs) laser. Using the examples of surface structuring of stainless-steel on the micro- and nano-scale, the suitability of the beam-shaping element for fs-laser material processing with a conventional f-Theta lens is demonstrated. In this context, it was shown that the experimental structuring results are in good agreement with beam profile measurements and numerical simulations of the beam-shaping unit. In addition, the experimental results reveal the improvement of laser processing in terms of a significantly reduced processing time during surface nano-structuring and the possibility to control the ablation geometry during the fabrication of micro-channels.
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