Femtosecond laser drilling 100 μm diameter micro holes with …
Jan 1, 2024 · In this study, we propose a two-step femtosecond laser drilling method to produce cylindrical micro holes with diameters of ∼100 μm, aspect ratios >20, and near-zero taper …
Optimization of multistage femtosecond laser drilling process …
Dec 1, 2022 · In this study, a femtosecond laser machining process optimization strategy coupled with TTM-MD model, machine learning and a high-throughput optimization algorithm is proposed.
Femtosecond laser drilling in superalloy with water-based …
Jan 15, 2023 · Combining the advantages of water assistance and magnetic assistance in femtosecond laser drilling, this paper used water-based magnetic assistance femtosecond …
Femtosecond laser drilling of high-aspect ratio ... - Springer
Feb 18, 2011 · A femtosecond laser is used to fabricate microchannels with high aspect ratios by laser direct ablation. Drilling both in air and in water is investigated. It is found that at low pulse …
Design of a Femtosecond Laser Percussion Drilling Process for Ni …
Nov 17, 2023 · Femtosecond laser drilling is extensively used to create film-cooling holes in aero-engine turbine blade processing. Investigating and exploring the impact of laser processing …
Femtosecond laser material processing has been demonstrated as a promising method for precise micro/nano material processing due to nonlinear multi-photon absorption and minimal …
Experimental research on ultrasound-assisted underwater femtosecond …
Feb 5, 2019 · In order to diminish the occurrence of cavitation bubbles during the liquid-assisted laser machining, ultrasound-assisted underwater femtosecond laser drilling on stainless steel …
Femtosecond Laser Drilling of Cylindrical Holes for Carbon …
May 16, 2021 · The experimental results show that the cylindrical hole of CFRP with a depth-to-diameter ratio of about 3:1 (taper < 0.32∘, HAZ < 10 m) was obtained by using femtosecond …
Advances in Femtosecond Laser GHz-Burst Drilling of Glasses
May 30, 2023 · In this study, we present our latest results on top-down drilling in glasses, focusing specifically on the influence of burst duration and shape on the hole drilling rate and the quality …
Water-assisted femtosecond laser drilling of 4H-SiC to
Nov 21, 2020 · In this study, the 515-nm wavelength femtosecond laser drilling of high-aspect-ratio through micro-holes on single-crystal SI-type 4H-SiC in air and under water was carried out.
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