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Updated: Jun 19, 2025

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
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激发性范德瓦尔斯元表面对共振波面形成在深深的亚波长厚度尺度

Jiaxin Zhou1,2, Yuefeng Wang1,2, Meng Xia1

  • 1Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (CAS), Suzhou, Jiangsu 215123, People's Republic of China.

Nano letters
|July 25, 2024
PubMed
概括

研究人员使用二硫化物 (WS2) 范德瓦尔斯材料开发了超薄介电相梯度元表面. 这些超表面在小于λ/20的厚度下实现了完全的2π相位控制,在一个紧的形状因素中实现了先进的光学功能.

关键词:
共振的元表面是共振的元表面.过渡金属二甲基二甲基化物tungsten 硫化二氧化 的使用.超薄的元表面是超薄的元表面.波浪前线的塑造

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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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