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Updated: Jan 17, 2026

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
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通过Brillouin区域折叠在波导合的元表面中增强第二和的生成

Tsafrir Abir1,2, Tal Ellenbogen2,3

  • 1Raymond and Beverly Sackler Faculty of Exact Sciences, School of Physics and Astronomy, Tel-Aviv University, Tel-Aviv, 6779801, Israel.

Nanophotonics (Berlin, Germany)
|September 19, 2025
PubMed
概括

在等离子元表面中的结构二元化使非线性光学频率转换成为可能. 这项研究表明,二元化元表面中的集体非局部模式如何产生第二光,克服对称性限制.

关键词:
分度化了地表变质的表面.引导模式共振的指导模式.格子共振是一种格子共振.不线性的非线性.非地方的非地方.塑性质的 塑性质

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Standing Waves in a Cavity01:28

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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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