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Asymmetric multifunctional metamaterial polarization converter

A multifunctional, metamaterial technology, applied in waveguide devices, electrical components, circuits, etc., can solve single problems and achieve the effect of flexible switching

Active Publication Date: 2021-05-28
SHANXI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, such metamaterial polarization converters can only work in a single function after fabrication, so in recent years, researchers have proposed many metamaterial polarization converters with multiple functions, and can be controlled by diodes or photosensitive switching materials. its function is regulated
However, the existing multifunctional metamaterial polarization converters can only work in one of the reflective or transmissive modes.

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  • Asymmetric multifunctional metamaterial polarization converter

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Embodiment Construction

[0023] In order to make the object, technical solution and results of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0024] Such as Figure 1 to Figure 4 As shown, an asymmetric multifunctional metamaterial polarization converter of the present invention includes a first metasurface structure layer 1, a first dielectric layer 2, a second metasurface structure layer 3, and a first metasurface structure layer arranged in sequence from top to bottom. Two dielectric layers 4 and the underlying photosensitive silicon plate 5, the first metasurface structure layer 1 is formed by periodic arrangement of a plurality of hexagonal resonators 6, and photosensitive silicon blocks are embedded in the hexagonal resonators 6 7. A...

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Abstract

The invention belongs to the field of metamaterial polarization converters, and particularly relates to an asymmetric multifunctional metamaterial polarization converter which comprises a first metasurface structure layer, a first dielectric layer, a second metasurface structure layer, a second dielectric layer and a bottom photosensitive silicon plate sequentially arranged from top to bottom. The first metasurface structure layer is formed by periodically arranging a plurality of quasi-hexagonal resonators, and photosensitive silicon blocks, vanadium dioxide blocks and diagonal vanadium dioxide strips are embedded in the quasi-hexagonal resonators; and the second metasurface structure layer is formed by periodically arranging a plurality of quasi-hexagonal opening resonators. Forward and reverse incident electromagnetic waves can be converted into different polarization modes, and asymmetric multifunctional polarization conversion is realized.

Description

technical field [0001] The invention belongs to the field of metamaterial polarization converters, and in particular relates to an asymmetric multifunctional metamaterial polarization converter. Background technique [0002] Amplitude, frequency, phase, and polarization are four important properties that characterize electromagnetic waves, where the polarization property is the vibration direction of the electric field on a plane perpendicular to the propagation direction of electromagnetic waves. Effectively controlling the polarization direction of electromagnetic waves is crucial for the utilization of electromagnetic waves. [0003] Metamaterials are composite materials that can be artificially synthesized according to actual needs. Since the scientist Veselago theoretically proposed a metamaterial in which electric fields, magnetic fields, and wave vectors obey the left-handed relationship in 1968, metamaterials have been extensively studied. By ingeniously designing m...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q15/24H01P1/16
CPCH01Q15/244H01P1/16
Inventor 杨荣草王佳云贾鹤萍张文梅
Owner SHANXI UNIV
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