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Updated: Jun 21, 2025

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
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Published on: June 7, 2019

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单向导向波驱动的元表面用于任意波面控制

Shiqing Li1, Kosmas L Tsakmakidis2, Tao Jiang3

  • 1Department of Applied Physics, Zhejiang University of Technology, Hangzhou, 310023, China.

Nature communications
|July 16, 2024
PubMed
概括

这项研究引入了利用单向导向波来任意控制波面的新型超表面,克服了芯片内集成的挑战. 这些超表面能够在亚波长尺度上进行先进的电磁波操纵.

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相关概念视频

Standing Waves in a Cavity01:28

Standing Waves in a Cavity

A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
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