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Updated: May 20, 2025

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
09:33

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Published on: June 7, 2019

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平带激光在波导集成的metasurfaces中的使用.

Sioneh Eyvazi1, Evgeny A Mamonov1, Rebecca Heilmann1

  • 1Department of Applied Physics, Aalto University School of Science, P.O. Box 15100, Aalto FI-00076, Finland.

ACS photonics
|March 24, 2025
PubMed
概括

研究人员通过使用具有远程合的周期性元表面,在光子近平带中实现了激光. 这一突破使增强的光定位和光子设备和量子现象的新可能性成为可能.

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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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