吸收率
光学
光线追踪(物理)
波长
材料科学
表面粗糙度
雷
表面光洁度
吸收(声学)
激光器
积分球
光电子学
物理
反射率
复合材料
作者
David Bergström,John Powell,Alexander Kaplan
摘要
Ray tracing has been employed to investigate the absorption of light by smooth and random rough metal surfaces. For normally incident light the absorptance of the surface increases with surface roughness. However, for light incident at a tangent to the surface the absorptance-surface roughness relationship is more complex. For example, in certain cases the absorptance can rise, fall, and rise again as the surface roughness increases. In this paper this complex absorptance-roughness relationship is defined and explained. The wavelengths of the light chosen for this study correspond to the primary and secondary output wavelengths of Nd:YAG lasers.
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