Physical Review Letters· 2013Q1
Metamaterial Huygens’ Surfaces: Tailoring Wave Fronts with Reflectionless Sheets
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- Q1SCImago
- 2013year
Short summary
Metamaterial Huygens' surfaces, realized with 2D arrays of polarizable particles, enable extreme control of electromagnetic wave fronts across electrically thin layers by generating prescribed electric and magnetic polarization currents.
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Key points
- Metamaterial Huygens' surfaces offer extreme control of electromagnetic wave fronts in electrically thin layers.
- These surfaces generate both electric and magnetic polarization currents via 2D arrays of polarizable particles.
- A design methodology is demonstrated for beam refraction and Gaussian-to-Bessel beam transformation.
- The surfaces are reflectionless, enabling new beam shaping and steering capabilities.
AI-generated from the title and abstract; the full text is not read.
Abstract
Huygens' principle is a well-known concept in electromagnetics that dates back to 1690. Here, it is applied to develop designer surfaces that provide extreme control of electromagnetic wave fronts across electrically thin layers. These reflectionless surfaces, referred to as metamaterial Huygens' surfaces, provide new beam shaping, steering, and focusing capabilities. The metamaterial Huygens' surfaces are realized with two-dimensional arrays of polarizable particles that provide both electric and magnetic polarization currents to generate prescribed wave fronts. A straightforward design methodology is demonstrated and applied to develop a beam-refracting surface and a Gaussian-to-Bessel beam transformer. Metamaterial Huygens' surfaces could find a wide range of applications over the entire electromagnetic spectrum including single-surface lenses, polarization controlling devices, stealth technologies, and perfect absorbers.
The authors' abstract, as published at the source. Physical Review Letters, 2013 · DOI ↗
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Field: Electronic, Optical and Magnetic Materials
Electronic, Optical and Magnetic MaterialsMaterials Science