用于亚千赫光束分束的半解析合成超薄光刻元镜

IF 2.5 3区 物理与天体物理 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Photonics and Nanostructures-Fundamentals and Applications Pub Date : 2024-05-07 DOI:10.1016/j.photonics.2024.101276
M.A. Tumashov , Y. Yashno , S.A. Kuznetsov , P.A. Lazorskiy , A. Epstein , S.B. Glybovski
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引用次数: 0

摘要

太赫兹技术对紧凑高效的辐射光束操纵设备的需求与日俱增。在这里,我们介绍了一种超薄金属聚合物光刻元原子,它可作为透射式分束器使用,在亚太赫兹频率下具有 58∘ 的宽折射角。利用这种最近提出的由元原子稀疏周期性阵列组成的复杂介质平台,可以减轻传统元表面密集单元的限制。由于采用了独特的制造工艺,设计出的分路器以半解析合成和实验演示为特征,具有深度亚波长厚度,有望替代之前报道的用于该频率范围的厚波导元表面。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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A semianalytically synthesized ultrathin photolithographic metagrating for sub-THz beam splitting

Compact and efficient devices for radiation beam manipulation are in increasing demand by terahertz technologies. Herein, we introduce an ultrathin metal-polymer photolithographic metagrating operating as a transmissive beam splitter with a wide refraction angle of 58 at sub-THz frequencies. Harnessing this recently proposed complex media platform, composed of sparse periodic arrays of meta-atoms, constraints of conventional metasurfaces with densely packed unit cells can be alleviated. The devised splitter, synthesized semianalytically and demonstrated experimentally, features deeply subwavelength thickness due to the unique manufacturing process employed, serving as a promising alternative to thick waveguide-based metagratings previously reported for this frequency range.

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来源期刊
CiteScore
5.00
自引率
3.70%
发文量
77
审稿时长
62 days
期刊介绍: This journal establishes a dedicated channel for physicists, material scientists, chemists, engineers and computer scientists who are interested in photonics and nanostructures, and especially in research related to photonic crystals, photonic band gaps and metamaterials. The Journal sheds light on the latest developments in this growing field of science that will see the emergence of faster telecommunications and ultimately computers that use light instead of electrons to connect components.
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