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Updated: Jun 2, 2025

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
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Published on: December 27, 2012

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一个可调节的超材料微波吸收器,灵感来源于黑变色机制

Dahyun D Lim1, Alberto Ibarra1, Jeongwoo Lee2

  • 1Department of Mechanical Engineering, University of California, Berkeley, CA 94720, USA.

Science advances
|January 15, 2025
PubMed
概括

本研究介绍了一种可调节的元材料吸收器,可以在微波范围的宽带吸收和峰值传输之间切换. 它的机械转换使其能够适应隐形和雷达信号传输能力.

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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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