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Broadband low-dispersion metamaterial

A low-dispersion, metamaterial technology, applied in the field of metamaterials, can solve problems such as the inability to achieve low dispersion characteristics, and achieve the effect of small loss

Active Publication Date: 2012-10-31
KUANG CHI INST OF ADVANCED TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a broadband low-dispersion metamaterial that can achieve low dispersion characteristics in a wider frequency band in view of the defect that existing metamaterials cannot achieve low dispersion characteristics in a wider frequency band

Method used

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Embodiment Construction

[0027] Such as Figure 2 to Figure 4 As shown, it is a broadband low-dispersion metamaterial according to the first embodiment of the present invention, which includes a first substrate 1, a plurality of artificial microstructures 3 attached to one side surface of the first substrate 1, and a plurality of artificial microstructures 3 covered on the second substrate 2. The artificial microstructure 3 has a first main line 31 and a second main line 32 perpendicularly bisecting each other, the length of the first main line 31 and the second main line 32 are the same, the first knuckle line Z1 has a first corner point J1, The two ends of the first main line 31 are respectively connected to the two first corner points J1 of the two first corner lines, the second corner line Z2 has a second corner point J2, and the two ends of the second main line 32 are respectively It is connected to the two second corner points J2 of the two second corner lines. The corners of the two first knu...

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Abstract

The invention relates to a broadband low-dispersion metamaterial which comprises a first substrate and a plurality of artificial microstructures, wherein the plurality of artificial microstructures are attached to one side surface of the first substrate, each artificial microstructure is a silk yarn made of conductive materials, each artificial microstructure is provided with a first main yarn and a second main yarn which are intersected, the two ends of the first main yarn are connected with two first knuckle lines, and the two ends of the second main yarn are connected with two second knuckle lines. According to the broadband low-dispersion metamaterial disclosed by the invention, a relatively stable refractive index can be provided in a broader frequency range, namely that the metamaterial has a broadband low-dispersion characteristic.

Description

technical field [0001] The invention relates to the field of metamaterials, more specifically, to a broadband low dispersion metamaterial. Background technique [0002] The characteristic that the refractive index of a material changes with frequency is dispersion. Currently, commonly used metamaterials usually adopt such as figure 1 The split resonant ring structure (SRR) shown. Image 6 It is a simulation of it (refractive index parameters). It can be seen that the refractive index is relatively stable (low dispersion) for incident electromagnetic waves in the range of 0-5GHZ. However, in some fields (such as microwave antennas), it is necessary to Low dispersion characteristics are realized in a wider frequency band, that is, the smooth change of the refractive index in a wider frequency band. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a broadband low-dispersion metamaterial that can achieve low dispers...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q15/00H01Q15/02
Inventor 刘若鹏季春霖岳玉涛郭洁
Owner KUANG CHI INST OF ADVANCED TECH
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