Multi-band electromagnetic induction transparent structure based on terahertz metamaterial

An electromagnetic induction transparent, metamaterial technology, applied in the direction of electrical components, antennas, etc.

Pending Publication Date: 2020-05-26
GUILIN UNIV OF ELECTRONIC TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a multi-band electromagnetic induction transparent structure based on terahertz metamaterials, which aims to solve the research on electromagnetic induction transparency in a single frequency band where most of the current research is in the GHz frequency band, and there are few studies in the terahertz band. Problems in the Study of Multiband Electromagnetically Induced Transparency

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  • Multi-band electromagnetic induction transparent structure based on terahertz metamaterial
  • Multi-band electromagnetic induction transparent structure based on terahertz metamaterial
  • Multi-band electromagnetic induction transparent structure based on terahertz metamaterial

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Embodiment Construction

[0018] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0019] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element...

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Abstract

The invention discloses a multi-band electromagnetic induction transparent structure based on a terahertz metamaterial. The structure comprises a first dielectric substrate, a second dielectric substrate, a first metal strip, a second metal strip, a first metal symmetrical split-ring resonator and a second metal symmetrical split-ring resonator, wherein the second dielectric substrate is located below the first dielectric substrate, the first metal symmetrical split-ring resonator is located between the first metal strip and the second metal strip, and the second metal symmetrical split-ring resonator is located on the side, which is away from the first metal symmetrical split-ring resonator, of the second metal strip. Under the condition of incident electromagnetic field excitation, the metal strips and electromagnetic waves are in strong coupling to serve as bright-mode resonance; the metal symmetric split-ring resonators and electromagnetic waves are in weak coupling to serve as dark-mode resonance. Based on the coupling of the multi-band electromagnetic induction transparent structure based on the terahertz metamaterial and the incident electromagnetic field, a multi-band electromagnetic induction transparent phenomenon can be realized by a bright and dark mode near-field coupling principle.

Description

technical field [0001] The invention relates to the technical field of electromagnetic induction transparent structures, in particular to a multi-band electromagnetic induction transparent structure based on terahertz metamaterials. Background technique [0002] Electromagnetically induced transparency is an important optical effect in quantum systems. When a beam of intense probe light is incident, a narrow-band transparent window will be created in the transmission spectrum of the atomic medium to the pump light. This is because when the pump light and probe light act on the same atom at the same time, quantum destructive interference is formed in the excitation path of the atom, resulting in reduced or no absorption of light at the resonant frequency of the atom, making the original "opaque" material Become "transparent. This transparency effect is accompanied by a strong dispersion effect at the transparent window, which can be applied in the fields of optical storage, o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q15/00H01Q15/02
CPCH01Q15/00H01Q15/02
Inventor 姜彦南王娇陈艳君
Owner GUILIN UNIV OF ELECTRONIC TECH
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