LIPSS formation by nanosecond laser irradiation of Poly(ethylene terephthalate) and Poly(trimethylene terephthalate) reinforced with carbon-based fillers

XII Jornadas de Procesado de Materiales con Láser AIMEN; O Porriño (Pontevedra); 29 y 30 de septiembre de 2016The formation of Laser Induced Periodic Surface Structures (LIPSS) is a process commonly used to nanostructure polymer surfaces. Forming of LIPSS is possible because of the irradiation of the polymer surface with polarized laser pulses at fluences below the ablation threshold. This leads to a modulation of the depth of the surface, resulting from an inhomogeneous intensity distribution, due to the interference between the incoming and the surface-scattered waves, reinforced with a positive feedback process. Such structures have a spatial period close to the laser wavelength, aligned parallel to the polarization of the laser beamPeer Reviewe