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Terahertz dual-band metamaterial based on electric resonance

A metamaterial and terahertz technology, applied in the direction of electrical components, antennas, etc., can solve the problems of weak interaction and narrow frequency band, and achieve the effect of low production cost and simple structure

Inactive Publication Date: 2012-11-28
SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
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Problems solved by technology

However, the terahertz metamaterials designed based on these structures can only interact weakly with terahertz waves at a single frequency point, and the frequency band is very narrow, only about tens of GHz

Method used

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  • Terahertz dual-band metamaterial based on electric resonance
  • Terahertz dual-band metamaterial based on electric resonance
  • Terahertz dual-band metamaterial based on electric resonance

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Embodiment Construction

[0019] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0020] Embodiments of the present invention relate to a terahertz dual-band metamaterial based on electric resonance, such as figure 1 As shown, a substrate 1 and a metal layer unit 2 are included. The metal layer unit 2 is provided with an electromagnetic resonance unit 3, and the electromagnetic resonance unit 3 includes two split resonant rings and a closed ring; the closed ring is located between the two split resonant rin...

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Abstract

The invention relates to a terahertz dual-band metamaterial based on electric resonance. The metamaterial comprises a substrate and a metal layer unit, wherein the metal layer unit is provided with an electromagnetic resonance unit which comprises two split resonant rings and a closed ring; the closed ring is positioned between the two split resonant rings; and the metal layer unit is paved on the substrate in a periodic array manner. The terahertz double-band metamaterial is simple in structure and low in manufacturing cost, has the advantages of strong resonance, wide band and dual frequency points, can be effectively applied to terahertz function devices with various requirements on wide band design.

Description

technical field [0001] The invention relates to functional devices of terahertz solid-state electronics, in particular to a terahertz dual-band metamaterial based on electric resonance. Background technique [0002] Since the discovery of electromagnetic waves, human beings have been trying various efforts, hoping to control electromagnetic waves at will and make them serve human beings. Since the 19th century, the development of radar, radio, sensor network, etc. has greatly accelerated the speed of human society, and at the same time, it has made human beings' requirements for electromagnetic wave control devices more and more intense. The most direct way to control electromagnetic waves is to add different materials to its propagation path to change its propagation properties, but traditional materials in nature are increasingly difficult to meet the demand for electromagnetic wave control. Especially in the terahertz band, traditional materials exhibit very weak electro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q15/00
Inventor 贺连星孙晓玮郭万易李彪滕腾孙浩张祁莲
Owner SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
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