多尺度靶心天线。
Multi-scale bullseye antennas.
作者信息
Chaplain G J, Hooper I R, Starkey T A
机构信息
Electromagnetic and Acoustic Materials Group, Department of Physics and Astronomy, University of Exeter, Exeter EX4 4QL, UK.
出版信息
Philos Trans A Math Phys Eng Sci. 2022 Sep 5;380(2231):20210402. doi: 10.1098/rsta.2021.0402. Epub 2022 Jul 18.
We design, simulate and experimentally characterize a multi-scale bullseye antenna for the broadband manipulation of microwaves. The device achieves far-field beam-forming via tailored diffraction at the interface between two concentric bullseye geometries, with near-field energy concentration resulting from the overlap of the diffracted beams. This article is part of the theme issue 'Wave generation and transmission in multi-scale complex media and structured metamaterials (part 1)'.
我们设计、模拟并通过实验表征了一种用于宽带微波操控的多尺度靶心天线。该器件通过在两个同心靶心几何结构之间的界面处进行定制衍射来实现远场波束形成，而近场能量集中则源于衍射光束的重叠。本文是主题为“多尺度复杂介质和结构化超材料中的波产生与传输（第1部分）”的一部分。
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