结构薄膜光的散射的一阶定量方法
A quantitative first-order approach for the scattering of light by structured thin films
摘要：
本文提出了一种全矢量一阶近似方法来研究任意低折射率对比度光子结构的散射。我们的方法使用一阶玻恩近似，并保持简单的几何表示的埃瓦尔德球建设。通过对代表性样品体积的归一化，该方法还可以预测散射介质无限延伸层的散射。因此，它可以用于描述和有效地计算线性一阶散射项占主导地位的结构的散射，例如在低折射率对比度无序结构中产生颜色印象。
英文摘要：
We present a full vectorial first-order approach to the scattering by arbitrary photonic structures with a low refractive index contrast. Our approach uses the first-order Born approximation and keeps the simple geometrical representation of the Ewald sphere construction. Via normalization to a representative sample volume, the approach can also predict the scattering by infinitely extended layers of scattering media. It can therefore be used to describe and efficiently calculate the scattering by structures where the linear first-order scattering terms dominate, e.g. in low index contrast disordered structures creating a color impression.
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