Prediction of Wetting Behaviours of Femtosecond Laser Texturized Surfaces
Abstract
It is well known that surface topography modification can be used to tune and control the surface wettability, and femtosecond laser ablation can be applied to modify a surface's topography with ultimate precision. However, it is not so well known how to predict the surface wettability based on the surface topography produced by femtosecond laser pulses. In this communication, a simulation tool based on previously developed Level Set Method (LSM) model is developed on the commercial multiphysics software platform, COMSOL, to evaluate the wettability of polished and ultrafast laserpatterned silicon and germanium surfaces. We demonstrate its capacity for simulation of the liquid droplet evolution on various topographies of laser-textured surface. The calculations suggest that to achieve more hydrophobic behavior on laser-textured silicon and germanium, more attention should be paid to the height of the relief, and caution should be exercised when varying the period of the relief during femtosecond laser processing.
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BibTeX
@article{omeje2026prediction,
title = {{Prediction of Wetting Behaviours of Femtosecond Laser Texturized Surfaces}},
author = {Ilemona Sunday Omeje and Javier Prada-Rodrigo and Emilie Gamet and Yoan Di Maio and Raphaël Guillemet and Tatiana Itina and Xxx Sedao},
journal = {Journal of Laser Micro/Nanoengineering},
year = {2026},
month = sep,
doi = {10.2961/jlmn.2025.01.2007},
url = {https://hal.science/hal-05739494v1},
note = {CC BY 4.0},
}
RIS
TY - JOUR
TI - Prediction of Wetting Behaviours of Femtosecond Laser Texturized Surfaces
AU - Ilemona Sunday Omeje
AU - Javier Prada-Rodrigo
AU - Emilie Gamet
AU - Yoan Di Maio
AU - Raphaël Guillemet
AU - Tatiana Itina
AU - Xxx Sedao
PY - 2026
DA - 2026/09/05
JO - Journal of Laser Micro/Nanoengineering
DO - 10.2961/jlmn.2025.01.2007
UR - https://hal.science/hal-05739494v1
AB - It is well known that surface topography modification can be used to tune and control the surface wettability, and femtosecond laser ablation can be applied to modify a surface's topography with ultimate precision. However, it is not so well known how to predict the surface wettability based on the surface topography produced by femtosecond laser pulses. In this communication, a simulation tool based on previously developed Level Set Method (LSM) model is developed on the commercial multiphysics software platform, COMSOL, to evaluate the wettability of polished and ultrafast laserpatterned silicon and germanium surfaces. We demonstrate its capacity for simulation of the liquid droplet evolution on various topographies of laser-textured surface. The calculations suggest that to achieve more hydrophobic behavior on laser-textured silicon and germanium, more attention should be paid to the height of the relief, and caution should be exercised when varying the period of the relief during femtosecond laser processing.
SN - 1880-0688
ER -