弯曲各向异性极化子

IF 6.5 2区 物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY
Tao Hou, Yixiao Ge, Shuwen Xue, Huanyang Chen
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引用次数: 0

摘要

曲面已成为理解和操纵复杂介质中新型电磁行为的新研究平台。本文以麦克斯韦鱼眼度量为基础,通过立体投影探索球面上的各向异性极化子。此外,这种现象还可以通过共形映射扩展到纺锤表面。我们的计算和模拟证明,椭圆极子和双曲极子在球面上受到电偶极子的激发后,会自聚焦或聚焦在球面上受各向异性介电常数影响的极点上。此外,我们还从变换光学的角度揭示了弯曲双曲极化子的光学奇异性,得到了等效光学折射率剖面和粒子势能。基于天然各向异性材料和超材料,曲面极化子在曲面聚焦和混沌调控方面具有潜在的应用前景。这项工作不仅在曲面变换光学和各向异性极化子之间架起了桥梁,而且为曲面光场操纵提供了一条新途径。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Curved anisotropic polaritons

Curved anisotropic polaritons

The curved surface has emerged as new research platform for understanding and manipulating novel electromagnetic behaviors in complex media. In this paper, we explore the anisotropic polaritons on the spherical surface based on Maxwell’s fish-eye metric through stereographic projection. Additionally, this phenomenon can be extended to spindle surface by conformal mapping. Our calculations and simulations demonstrate the elliptic and hyperbolic polaritons, excited by an electric dipole on the sphere, will self-focus or focus on the poles on the sphere affected by anisotropic permittivity. Furthermore, we reveal the optical singularity nature of the curved hyperbolic polaritons from the perspective of transformation optics by obtaining the equivalent optical refractive index profiles and the particle potential energy. Based on natural anisotropic materials and metamaterials, the curved polaritons have potential applications in curved surface focusing and chaos regulation. This work not only bridges the transformation optics and anisotropic polaritons at curved surface, but also provides a new route to surface optical field manipulation.

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来源期刊
Frontiers of Physics
Frontiers of Physics PHYSICS, MULTIDISCIPLINARY-
CiteScore
9.20
自引率
9.30%
发文量
898
审稿时长
6-12 weeks
期刊介绍: Frontiers of Physics is an international peer-reviewed journal dedicated to showcasing the latest advancements and significant progress in various research areas within the field of physics. The journal's scope is broad, covering a range of topics that include: Quantum computation and quantum information Atomic, molecular, and optical physics Condensed matter physics, material sciences, and interdisciplinary research Particle, nuclear physics, astrophysics, and cosmology The journal's mission is to highlight frontier achievements, hot topics, and cross-disciplinary points in physics, facilitating communication and idea exchange among physicists both in China and internationally. It serves as a platform for researchers to share their findings and insights, fostering collaboration and innovation across different areas of physics.
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