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Effective medium approach for calculations of optical anisotropy in porous materials

机译:计算多孔材料光学各向异性的有效介质方法

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摘要

We report on a generalized approach for the calculation of optical properties of various porous semiconductors. The presented methodology provides a simple method for predicting the type and value of optical anisotropy in different materials. Specifically, the cases of electrochemically etched mesoporous Si on (110)-oriented substrate and electrochemically-etched porous InP and GaAs materials on (100) substrates are considered. The optical anisotropy of mesoporous Si is explained and the dependence of the optical birefringence of this material on various material parameters is obtained. The optical anisotropy of porous InP and GaAs with crystallographic pores is predicted based on the presented model.
机译:我们报告了一种用于计算各种多孔半导体光学特性的通用方法。提出的方法提供了一种简单的方法来预测不同材料中光学各向异性的类型和值。具体地,考虑了在(110)取向的衬底上电化学蚀刻的中孔Si以及在(100)衬底上的电化学蚀刻多孔InP和GaAs材料的情况。解释了介孔硅的光学各向异性,并获得了该材料的光学双折射对各种材料参数的依赖性。基于提出的模型,预测了具有晶体孔的多孔InP和GaAs的光学各向异性。

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