Femtosecond lasers were proven to be powerful tool in surface structuring. As surfaces play an enormous role in everyday life there were numerous attempts in utilizing femtosecond laser structured surfaces. In most cases, research rarely exceeded proof of concept stage. One of the key challenges preventing laser surface structuring from becoming widespread solution is the structuring rate. Due to complex light-matter interaction happening between incident light and surface single features of such patterns can be as small as tens of nm while overall multi-scale hierarchical structures can be created. We present a study aimed at evaluating what parameters are best for specific applications and for high throughput manufacturing (more than square meter per minute). Target applications include anti-icing, osseointegration and friction manipulations. Overall, presented results show that even while increasing the throughput to industrial level one can still maintain superb surface properties.
Femtosecond laser surface patterning is a powerful tool capable of producing hierarchical surface features with possible applications in various scientific and industrial fields. In this work, we investigate several piratical aspects of this technology. Contact angle modification for several various materials is investigated, highlighting how it can be changed from superhydrophobic to superhydrophobic. This is followed up by an inquiry into the possibility to use laser patterned surfaces for friction control. Finally, we investigate the influence of chemical polishing on surface chemistry and topography. It is relevant for possible uses in medicine. Overall, shown results give important insights into the practical implementation aspect of the produced surface patterns.
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