Our study introduces a new method for label-free super-resolved polarimetry on nanomaterials, compatible with in-situ analysis. Integrating Image Scanning Microscopy (ISM) with polarimetry techniques, we achieve remarkable resolutions down to 90 nm while acquiring polarization information. Overcoming limitations associated with fluorophores in challenging materials, our approach facilitates quantitative measurements of optical properties. Applied successfully to nanostructured surfaces created by femtosecond lasers and boron nitride nanotubes, our work showcases the versatility of this methodology.
Surface properties of polymers are important for different applications such as their use as biomaterials, protective coatings, and thin film technology. We explore the formation of laser-induced periodic surface structures (LIPSS) on different polymers, investigating the influence of polymer nature, laser parameters, and environmental factors. By varying laser irradiation conditions, the study demonstrates control over LIPSS period and quality, surface chemistry, and properties like wettability, surface energy, and adhesion. Depending on the conditions, surface modifications can lead to increased hydrophilicity or hydrophobicity. These findings are essential for applications where surface interactions are crucial.
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