Dielectric metamaterials with effective self-duality and full-polarization omnidirectional brewster effect.

IF 3.5 3区医学 Q2 CHEMISTRY, MEDICINAL ACS Medicinal Chemistry Letters Pub Date : 2024-09-20 DOI:10.1038/s41377-024-01605-z

Hao Luo,Jie Luo,Zhihui Zhang,Chao Wu,Quan Li,Wei Liu,Ruwen Peng,Mu Wang,Hongqiang Li,Yun Lai

引用次数: 0

Abstract

Conventional dielectric solid materials, both natural and artificial, lack electromagnetic self-duality and thus require additional coatings to achieve impedance matching with free space. Here, we present a class of dielectric metamaterials that are effectively self-dual and vacuum-like, thereby exhibiting full-polarization omnidirectional impedance matching as an unusual Brewster effect extended across all incident angles and polarizations. With both birefringence and reflection eliminated regardless of wavefront and polarization, such anisotropic metamaterials could establish the electromagnetic equivalence with "stretched free space" in transformation optics, as substantiated through full-wave simulations and microwave experiments. Our findings open a practical pathway for realizing unprecedented polarization-independence and omnidirectional impedance-matching characteristics in pure dielectric solids.

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具有有效自偶性和全极化全向布鲁斯特效应的介质超材料。

传统的介电固体材料，无论是天然的还是人造的，都缺乏电磁自偶性，因此需要额外的涂层来实现与自由空间的阻抗匹配。在这里，我们提出了一类介电超材料，它们具有有效的自双向性和类真空性，从而表现出全偏振全向阻抗匹配，这是一种非同寻常的布鲁斯特效应，可扩展到所有入射角和偏振。由于消除了双折射和反射而不受波前和偏振的影响，这种各向异性超材料可与变换光学中的 "拉伸自由空间 "建立电磁等效关系，这一点已通过全波模拟和微波实验得到证实。我们的发现为在纯介电固体中实现前所未有的偏振无关性和全向阻抗匹配特性开辟了一条实用途径。

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来源期刊

ACS Medicinal Chemistry Letters CHEMISTRY, MEDICINAL-

CiteScore

7.30

自引率

2.40%

发文量

328

审稿时长

1 months

期刊介绍： ACS Medicinal Chemistry Letters is interested in receiving manuscripts that discuss various aspects of medicinal chemistry. The journal will publish studies that pertain to a broad range of subject matter, including compound design and optimization, biological evaluation, drug delivery, imaging agents, and pharmacology of both small and large bioactive molecules. Specific areas include but are not limited to: Identification, synthesis, and optimization of lead biologically active molecules and drugs (small molecules and biologics) Biological characterization of new molecular entities in the context of drug discovery Computational, cheminformatics, and structural studies for the identification or SAR analysis of bioactive molecules, ligands and their targets, etc. Novel and improved methodologies, including radiation biochemistry, with broad application to medicinal chemistry Discovery technologies for biologically active molecules from both synthetic and natural (plant and other) sources Pharmacokinetic/pharmacodynamic studies that address mechanisms underlying drug disposition and response Pharmacogenetic and pharmacogenomic studies used to enhance drug design and the translation of medicinal chemistry into the clinic Mechanistic drug metabolism and regulation of metabolic enzyme gene expression Chemistry patents relevant to the medicinal chemistry field.

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