掠入射两种偏振的无反射各向异性多层

IF 1.5 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

EPJ Applied Metamaterials Pub Date : 2022-01-01 DOI:10.1051/epjam/2022014

D. A. Patient, S. Horsley

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引用次数: 0

摘要

我们找到了一种设计各向异性多层剖面的方法，该剖面在两种电磁极化下都是掠入射无反射的。掠入射传播在各向异性多层中的亥姆霍兹方程可以分解成如下形式的一对方程[见PDF中的公式]。[见PDF中的公式]的解决定了介电常数的三个主值中的两个。施加额外的单轴各向异性约束，我们找到了一对耦合方程，用于两个介电常数分量的剖面，使得两个偏振都不反射。

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Reflectionless anisotropic multilayers for both polarisations at grazing incidence

We find a method for designing anisotropic multilayer profiles that are reflectionless at grazing incidence, for both electromagnetic polarisations. The Helmholtz equation for grazing incidence propagation through an anisotropic multilayer can be factorised into a pair of equations of the form [see formula in PDF]. Solutions of [see formula in PDF] then determine two of the three principal values of the permittivity. Imposing the additional constraint of uniaxial anisotropy, we find a pair of coupled equations for the profile of both permittivity components such that neither polarisation is reflected.

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来源期刊

EPJ Applied Metamaterials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

3.10

自引率

6.20%

发文量

审稿时长

8 weeks