Lee R Todd, Smith Glenn S
School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA.
Appl Opt. 2009 Jul 20;48(21):4177-90. doi: 10.1364/ao.48.004177.
Many species of butterflies exhibit interesting optical phenomena due to structural color. The physical reason for this color is subwavelength features on the surface of a single scale. The exposed surface of a scale is covered with a ridge structure. The fully three-dimensional, periodic, finite-difference time-domain method is used to create a detailed electromagnetic model of a generic ridge. A novel method for presenting the three-dimensional observed color pattern is developed. Using these tools, the change in color that is a result of varying individual features of the scale is explored. Computational models are developed that are similar to three butterflies: Morpho rhetenor, Troides magellanus, and Ancyluris meliboeus.
许多蝴蝶物种由于结构色而呈现出有趣的光学现象。这种颜色的物理原因是单个鳞片表面的亚波长特征。鳞片的暴露表面覆盖着脊状结构。使用全三维、周期性、时域有限差分方法创建了一个通用脊状结构的详细电磁模型。开发了一种呈现三维观察到的颜色图案的新方法。利用这些工具，探索了由于鳞片个体特征变化而导致的颜色变化。开发了与三种蝴蝶相似的计算模型：光明女神闪蝶、大凤蝶和黄带枯叶蛱蝶。
