It was mainly aimed at the study to make the optimization of laser parameters to obtain dimples with the desired shape and size. Carbon Fiber EPOXY composite (CF-EPOXY) surfaces were ablated by Nd:YAG laser which has a 1064 nm wavelength. Some important laser process parameters such as focus position, pulse energy, duration and number were optimized to achieve maximum aspect ratio, circular shape and minimum thermal defect. In addition, it has been determined that which laser parameters are more effective to obtain the desired quality surface. These different shapes and geometry of dimples could be used to improve some properties such as wettability, friction, etc. The pulse energy with an effective rate of 55.97 % is the most effective parameter to achieve the larger aspect ratio. The focus position is the most effective parameter with the rates of 66.18 % and 47.94 % to obtain both perfect circularity and minimum thermal defects respectively. Confirmation experiments were performed and the highest aspect ratio was found as 1.14, the best circular dimple and the minimum thermal effects outside the spot area were found with the rates of 1.021. These are the optimum results of 9 experiment sets in this study for each output. The results were supported by confirmation experiments and regression analysis. It can be concluded that the Taguchi method is reliable and saves time and materials.

主要目的是研究如何优化激光参数以获得所需形状和尺寸的凹坑。碳纤维环氧树脂复合材料 (CF-EPOXY) 表面被 Nd:YAG 激光烧蚀，其波长为 1064 nm。优化了一些重要的激光工艺参数，如焦点位置、脉冲能量、持续时间和数量，以实现最大纵横比、圆形和最小热缺陷。此外，已经确定哪些激光参数更有效地获得所需质量的表面。这些不同形状和几何形状的凹坑可用于改善一些性能，如润湿性、摩擦力等。55.97% 的有效脉冲能量是实现更大纵横比的最有效参数。焦点位置是获得完美圆度和最小热缺陷的最有效参数，分别为 66.18% 和 47.94%。进行了确认实验，发现最高纵横比为 1.14，最佳圆形凹坑和光斑区域外的最小热效应发现率为 1.021。这些是本研究中每个输出的 9 个实验组的最佳结果。结果得到确认实验和回归分析的支持。可以得出结论，田口法可靠，省时省料。最好的圆形凹坑和光斑区域外的最小热效应以 1.021 的比率被发现。这些是本研究中每个输出的 9 个实验组的最佳结果。结果得到确认实验和回归分析的支持。可以得出结论，田口法可靠，省时省料。最好的圆形凹坑和光斑区域外的最小热效应以 1.021 的比率被发现。这些是本研究中每个输出的 9 个实验组的最佳结果。结果得到确认实验和回归分析的支持。可以得出结论，田口法可靠，省时省料。