Remote laser processing of composite materials with different opto-thermic properties

Near net shape preforms with a minimum of material consumption are required to increase the acceptance of fibre reinforced polymers in the industry, This should be accompanied with appropriate, fast and flexible processes. The 21/2 D beam deflection expands the area of possible kinds of processing strategies, wherefore the laser can be a tool for the future. The development of remote laser processing is strongly connected with the understanding of the interaction between tool and material. Within the paper investigations on opto - thermic properties of the components as a function of the wavelength of the beam source were shown. The results of the measurements are fundamental for processing composite structures made of glass- or carbon fibre and polymer matrices.