Polarization dependence of laser interaction with carbon fibers and CFRP
Polarization dependence of laser interaction with carbon fibers and CFRP
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DOI：
10.1364/oe.22.001474
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发表时间：
2014-01-27
期刊：
影响因子：
3.8
通讯作者：
Graf, Thomas
中科院分区：
文献类型：
--
作者：
Freitag, Christian;Weber, Rudolf;Graf, Thomas
激光材料加工的一个关键因素是材料对激光波长的吸收率，它决定了耦合到材料中的激光能量的比例。基于菲涅尔方程，使用理论模型来确定碳纤维织物和碳纤维增强塑料 (CFRP) 的吸收率。每根碳纤维的表面被认为是多层同心石墨圆柱体。这样，碳纤维及其复合材料的光学性能就可以根据众所周知的石墨光学性能来估计。 (C) 2013 美国光学学会
A key factor for laser materials processing is the absorptivity of the material at the laser wavelength, which determines the fraction of the laser energy that is coupled into the material. Based on the Fresnel equations, a theoretical model is used to determine the absorptivity for carbon fiber fabrics and carbon fiber reinforced plastics (CFRP). The surface of each carbon fiber is considered as multiple layers of concentric cylinders of graphite. With this the optical properties of carbon fibers and their composites can be estimated from the well-known optical properties of graphite. (C) 2013 Optical Society of America