Abstract
An ablation wave based on a laser induced detonation and laser supported combustion can been created by exposing various types of material to an excimer laser. The purpose of this study is to analyse the mechanism of the ablation wave using a high speed streak camera and to achieve greater precision in microprocessing and surface treatment by controlling the wave appropriately for each material. The laser used in this experiment was an ultraviolet pulse excimer laser with a wavelength of 308nm. For measurement, a video digital processing system with a high speed streak camera was used. Metal-ceramic functionally graded materials (FGMs) were selected as test materials. The experimental results showed that the mechanism of the ablation wave obtained from these FGMs was a photochemical reaction with thermal interaction.
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