p极化电磁波在固体结构“单轴等离子体超表面-介电层-金属”上的非反射入射

Q4 Physics and Astronomy Radio Physics and Radio Astronomy Pub Date : 2023-01-01 DOI:10.15407/rpra28.02.166
Хвилі В Плазмі, Waves IN Plasmas, I. Popovych
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引用次数: 0

摘要

主题和目的。涉及超表面的固态结构可以用来有效地控制电磁波的一些基本性质,如振幅、相位和极化。本文的工作旨在分析p极化电磁波在涉及单轴等离子体超表面、介电中间层和金属层的固态结构上入射时可能出现的新效应。方法和方法论。通过数值模拟,寻找了适合于确定p极化电磁波入射到上述类型的固态结构上的反射所产生的效应的条件。这样就可以找到基本参数的大小,如电磁波的入射角和频率,以及介电层的厚度,这些参数可以规定新的电磁效应的外观。结果。研究表明,在一定条件下,由单轴等离子体超表面、介电层和金属层组成的固态结构能够充分吸收p极化入射电磁波。此外,还预测了一种新的效应,即入射的p极化电磁波完全转换为s极化的反射波。其必要条件是电磁波入射面与等离子体超表面的主对称轴呈锐角。结论。该类型的固态结构包括单轴等离子体超表面、介电层和金属层,具有独特的反射特性。在一定条件下,它们能够完全吸收入射到它们身上的p极化电磁波。这种结构可用于制造新型光学和纳米电子器件。
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NON-REFLECTIVE INCIDENCE OF P-POLARIZED ELECTROMAGNETIC WAVES ON THE SOLID-STATE STRUCTURE "UNIAXIAL PLASMONIC METASURFACE — DIELECTRIC LAYER — METAL"
Subject and Purpose. The solid-state structures involving metasurfaces can be used to effectively control some of the basic properties of electromagnetic waves, like amplitude, phase and polarization. The present work is aimed at analyzing the new effects that may appear during incidence of p-polarized electromagnetic waves upon a solid-state structure involving a uniaxial plasmonic metasurface, a dielec- tric interlayer, and a layer of metal. Methods and Methodology. The conditions suitable for identifying the effects that result from the reflection of a p-polarized electro- magnetic wave incident upon a solid-state structure of the above described type have been sought for via numerical simulation. That has allowed finding the magnitudes of the essential parameters, such as angles of incidence and frequencies of the electromagnetic waves, as well as thicknesses of the dielectric interlayer, that could stipulate appearance of novel electromagnetic effects. Results. It has been shown that the solid-state structure involving a uniaxial plasmonic metasurface, a dielectric interlayer, and a layer of metal is capable, under certain conditions, to fully absorb an incident electromagnetic wave of p-polarization. Moreover, a new effect has been predicted, specifically that of full conversion of the incident p-polarized electromagnetic wave into a reflected wave of s-polariza- tion. The necessary condition is that the plane of incidence of the electromagnetic wave were at an acute angle to the principal symmetry axis of the plasmonic metasurface. Conclusions. The solid-state structures of the type involving a uniaxial plasmonic metasurface, a dielectric interlayer, and a layer of metal are characterized by unique reflective properties. They are capable of fully absorbing, under certain conditions, the p-polarized electromagnetic waves incident upon them. Such structures can be used for creating optical and nanoelectronic devices of new types.
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来源期刊
Radio Physics and Radio Astronomy
Radio Physics and Radio Astronomy Physics and Astronomy-Physics and Astronomy (miscellaneous)
CiteScore
0.60
自引率
0.00%
发文量
18
审稿时长
8 weeks
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