CN204706648U - Meta Materials and Super-material antenna - Google Patents
Meta Materials and Super-material antenna Download PDFInfo
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- CN204706648U CN204706648U CN201520470196.0U CN201520470196U CN204706648U CN 204706648 U CN204706648 U CN 204706648U CN 201520470196 U CN201520470196 U CN 201520470196U CN 204706648 U CN204706648 U CN 204706648U
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Abstract
The utility model provides a kind of Meta Materials and Super-material antenna.Meta Materials comprises: dielectric layer; Conduction geometry layer, be formed on the surface of dielectric layer, conduction geometry layer comprises the conduction geometry of multiple array arrangement, conduction geometry comprises core conduction geometry and around the periphery conduction geometry that core conduction geometry is arranged, core conduction geometry is I-shaped.Application the technical solution of the utility model, conduction geometry layer has the shape facility of resonant circuit on direction of an electric field, the direction of an electric field of resonance current intensity incident electromagnetic wave and changing, along with the intersecting angle of electric field and material becomes large, the transmissivity of material is on a declining curve, therefore Meta Materials can the secondary lobe in suppressing antenna face effectively, is conducive to the directivity optimizing aerial radiation, improves the antijamming capability of antenna.
Description
Technical field
The utility model relates to radio transmission apparatus field, in particular to a kind of Meta Materials and Super-material antenna.
Background technology
The basic function of antenna is that the energy obtained from feed space radiation is towards periphery gone out, preferably, most of energy towards required direction radiation, the maximum lobe of radiation intensity is called main lobe, remaining lobe is called secondary lobe or secondary lobe, and the energy of secondary lobe affects the gain of antenna, directivity and antijamming capability compared with conference.In order to increase main lobe energy, optimize the directivity of radiation, improve the antijamming capability of antenna, usual requirement reduces secondary lobe as far as possible.The secondary lobe of existing antenna still occupies the larger proportion of emittance, affects the performance of antenna.
Utility model content
Main purpose of the present utility model is to provide a kind of Meta Materials and the Super-material antenna that are conducive to the secondary lobe reducing antenna.
To achieve these goals, according to an aspect of the present utility model, provide a kind of Meta Materials, comprising: dielectric layer; Conduction geometry layer, be formed on the surface of dielectric layer, conduction geometry layer comprises the conduction geometry of multiple array arrangement, conduction geometry comprises core conduction geometry and around the periphery conduction geometry that core conduction geometry is arranged, core conduction geometry is I-shaped.
Further, a surface of dielectric layer is formed with conduction geometry layer; Or, two surfaces of dielectric layer are all formed with conduction geometry layer.
Further, peripheral conduction geometry is for being I-shaped framework.
Further, core conduction geometry and peripheral conduct electricity interval between geometry and arrange.
Further, core conduction geometry comprises longitudinal strip structure and two horizontal strip structures, and two horizontal strip structures are connected to the two ends of horizontal strip structure.
Further, horizontal strip structure is vertical element or curved line; And/or longitudinal strip structure is vertical element or curved line.
Further, the two ends of longitudinal strip structure are connected to the mid point of two horizontal strip structures.
Further, peripheral conduction geometry has at least one opening.
Further, opening be two and respectively with the relatively position, two ends of longitudinal strip structure.
Further, the two ends of each horizontal strip structure are provided with attached conduction geometry separately.
According to another aspect of the present utility model, provide a kind of Super-material antenna, Super-material antenna comprises above-mentioned Meta Materials.
Application the technical solution of the utility model, Meta Materials has dielectric layer and is formed in the conduction geometry layer on the surface of dielectric layer, conduction geometry layer comprises the conduction geometry of multiple array arrangement, the geometry that conducts electricity is formed by the periphery conduction integrated structure of I-shaped core conduction geometry with the periphery being centered around core conduction geometry, the shape facility of conduction geometry layer resonant circuit on direction of an electric field, the direction of an electric field of resonance current intensity incident electromagnetic wave and changing, along with the intersecting angle of electric field and material becomes large, the transmissivity of material is on a declining curve, therefore Meta Materials can the secondary lobe in suppressing antenna face effectively, be conducive to the directivity optimizing aerial radiation, improve the antijamming capability of antenna.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the Meta Materials of embodiment of the present utility model;
Fig. 2 shows the structural representation of the conduction geometry of the Meta Materials of embodiment of the present utility model;
Fig. 3 show the Meta Materials of embodiment of the present utility model another preferably conduct electricity the structural representation of geometry;
Fig. 4 shows the electromagnetic transmission curve of Meta Materials different incidence angles degree of the present utility model;
Fig. 5 shows the effect contrast figure of antenna of the present utility model and traditional antenna.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
1, dielectric layer; 2, conduction geometry layer; 3, conduction geometry; 4, core conduction geometry; 41, horizontal strip structure; 42, longitudinal strip structure; 43, attached conduction geometry; 5, peripheral conduction geometry; 51, opening.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Technical term:
Meta Materials, refers to that the conduction geometry arranged by periodic regular achieves artificial composite structure or the composite material of the extraordinary physical property not available for natural material.Meta Materials comprises dielectric layer and is formed in the conduction geometry layer on the surface of dielectric layer.Conduction geometry layer, is made up of periodically regularly arranged multiple conduction geometries.
Conduction geometry be made up of electric conducting material there is geometric plane or stereochemical structure.Conduction geometry can be the independently geometry that electric conducting material is formed; Also can for forming the hollow out geometry of multiple array arrangement on conductive material layer, the electric conducting material between adjacent hollow out geometry forms conduction geometry.
The electromagnetic property of Meta Materials determines primarily of factor such as conduction geometric structure diamete and arrangement mode etc., required effective dielectric constant and magnetic permeability can be obtained by parameters such as adjustment conduction geometry or the shape of hollow out geometry, size and arrangement modes, therefore, Meta Materials has been widely used in and has realized changing refractive index, electromagnetism stealth, perfect suction ripple, improving wave penetrate capability and polarizing control etc.
As illustrated in fig. 1 and 2, the Meta Materials of the utility model embodiment comprises: dielectric layer 1; Conduction geometry layer 2, be formed on the surface of dielectric layer 1, conduction geometry layer 2 comprises multiple conduction geometry 3, conduction geometry 3 comprises core conduction geometry 4 and around the periphery conduction geometry 5 that core conduction geometry 4 is arranged, core conduction geometry 4 is in I-shaped.
The one side of dielectric layer 1 or two-sided on be formed with conduction geometry layer 2, the shape facility (namely there is i.e. perceptual assembly and capacitive components) of conduction geometry layer 2 resonant circuit on direction of an electric field, the direction of an electric field of resonance current intensity incident electromagnetic wave and changing, along with the intersecting angle of electric field and material becomes large, the transmissivity of material is on a declining curve, therefore the secondary lobe of array antenna electric field surface can be reduced, be conducive to the directivity optimizing aerial radiation, improve the antijamming capability of antenna.
" I-shaped " in the present embodiment comprises the shape and I-shaped derivative shape that strictly conform to " work " word.I-shaped derivative shape comprises longitudinal strip structure and arranges the transversary at its two ends respectively, transversary can be symmetrical arranged relative to longitudinal strip structure, also can be asymmetric, transversary can be bar shaped, also can comprise horizontal strip structure and the accessory structure being arranged on its one or both ends, accessory structure can be circular, oval or polygon conducting strip.In a word, the transversary being arranged on the two ends of longitudinal strip structure comprises the part of the both sides laying respectively at longitudinal strip structure, all can be referred to as I-shaped derivative shape.
In the present embodiment, multiple conduction geometry 3 array arrangement.Adjacent two conduction geometries are spaced a distance.
In the present embodiment, conduction geometry layer 2 is divided into the multiple square region by array arrangement, and the length of side of square region is 12 millimeters, is formed with a conduction geometry 3 in each square region, and the spacing between adjacent two square region is half-wavelength.
In the present embodiment, conduction geometry 3 has resonant circuit feature on direction of an electric field, when electromagnetic electric field is vertical direction, the micro-structural of cyclic array arrangement forms series resonant circuit in vertical direction, micro-structural produces induced current, this faradic intensity electric field in vertical direction component size and change and affect the transmissivity of material.
Fig. 4 shows the electromagnetic transmission curve of different incidence angles degree, therefore can reduce the electric field surface secondary lobe of array antenna by the angle selective properties of this material.
In the present embodiment, peripheral conduction geometry 5 is for being I-shaped framework.Core conduction geometry 4 is arranged in peripheral conduction geometry 5, and and periphery conduct electricity geometry 5 interval and arrange.
In the present embodiment, core conduction geometry 4 is consistent with the distance that periphery is conducted electricity between geometry 5.
Can preferably, outer rim and the peripheral distance of conducting electricity between geometry 5 of core conduction geometry 4 are inconsistent, and outer rim and the peripheral distance of conducting electricity between geometry 5 of core conduction geometry 4 also can change around the corner.
In the present embodiment, core conduction geometry 4 comprises the two ends that two horizontal strip structures 41 and a longitudinal strip structure 42, two horizontal strip structures 41 are connected to longitudinal strip structure 42.
Preferably, horizontal strip structure 41 is arranged symmetrically relative to longitudinal strip structure 42.Also can preferably, horizontal strip structure 41 is asymmetricly arranged relative to longitudinal strip structure 42, and horizontal strip structure 41 lays respectively at that two parts length of longitudinal strip structure 42 both sides is different and/or width is different.
Can also preferably, horizontal strip structure 41 is vertical element or curved line; And/or longitudinal strip structure 42 is vertical element or curved line.
In the present embodiment, I-shaped framework has opening 51, the relatively position, end of opening 51 and longitudinal strip structure 42.
Can preferably, as shown in Figure 3, the two ends of each horizontal strip structure 41 are provided with attached conduction geometry 43 separately.Attached conduction geometry 43 can be the bus longitudinally arranged, and also can be rounded, oval or polygonal conducting strip.
In the present embodiment, dielectric layer 1 is fiber board, cystosepiment or cellular board.
It is irregular that the surface of dielectric layer 1 both can be rule also can be according to actual needs and arrange.Dielectric layer 1 can be hard substrate, also can be soft board.
Dielectric layer 1 can also be composite substrate or ceramic substrate.Wherein, composite material can be thermosets, also can be thermoplastic.
In general, the DIELECTRIC CONSTANT ε of dielectric layer 1 should meet: 1≤ε≤5.
The material of conduction geometry layer 2 is gold, silver, copper, billon, silver alloy, copper alloy, kirsite, aluminium alloy, electrically conductive graphite, indium tin oxide or Al-Doped ZnO.
Conduction geometry layer 2 can be attached on dielectric layer 1 by etching, plating, the methods such as quarter, photoetching, electronics quarter or ion quarter of boring.The metal making conduction geometry layer 2 can be gold, silver, copper, billon, silver alloy, copper alloy, kirsite or aluminium alloy; The non-metallic conducting material making conduction geometry layer 2 can be electrically conductive graphite, indium tin oxide or Al-Doped ZnO.
Antenna comprises an above-mentioned Meta Materials, comprises radiating element and is arranged on the tabular Meta Materials in the radiation direction of radiating element.
Fig. 5 shows the effect contrast figure of antenna of the present utility model and traditional antenna.The gain of ordinate representative antennas, the angle of abscissa representative and main lobe central shaft, curve A is traditional antenna directional diagram, curve B is antenna pattern of the present utility model, compared with traditional antenna, the far field secondary lobe of the Sidelobe metamaterial flat antenna that the present embodiment provides reduces close to 10dB, and secondary lobe inhibition is remarkable.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (11)
1. a Meta Materials, is characterized in that, comprising:
Dielectric layer (1);
Conduction geometry layer (2), be formed on the surface of described dielectric layer (1), described conduction geometry layer (2) comprises the conduction geometry (3) of multiple array arrangement, periphery conduction geometry (5) that described conduction geometry (3) comprises core conduction geometry (4) and arranges around described core conduction geometry (4), described core conduction geometry (4) is in I-shaped.
2. Meta Materials according to claim 1, is characterized in that, a surface of described dielectric layer (1) is formed with described conduction geometry layer (2); Or, two surfaces of described dielectric layer (1) are all formed with described conduction geometry layer (2).
3. Meta Materials according to claim 1, is characterized in that, described periphery conduction geometry (5) is for being I-shaped framework.
4. Meta Materials according to claim 3, is characterized in that,
Described core conduction geometry (4) and described periphery are conducted electricity interval between geometry (5) and are arranged.
5. Meta Materials according to claim 1, it is characterized in that, described core conduction geometry (4) comprises longitudinal strip structure (42) and two horizontal strip structures (41), and two described horizontal strip structures (41) are connected to the two ends of described horizontal strip structure (42).
6. Meta Materials according to claim 5, is characterized in that,
Described horizontal strip structure (41) is vertical element or curved line; And/or,
Described longitudinal strip structure (42) is vertical element or curved line.
7. Meta Materials according to claim 6, is characterized in that, the two ends of described longitudinal strip structure (42) are connected to the mid point of two described horizontal strip structures (41).
8. Meta Materials according to claim 6, is characterized in that, described periphery conduction geometry (5) has at least one opening (51).
9. Meta Materials according to claim 8, is characterized in that, described opening (51) be two and respectively with the relatively position, two ends of described longitudinal strip structure (42).
10. Meta Materials according to claim 5, is characterized in that, the two ends of each described horizontal strip structure (41) are provided with attached conduction geometry (43) separately.
11. 1 kinds of Super-material antenna, is characterized in that, comprise the Meta Materials according to any one of claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520470196.0U CN204706648U (en) | 2015-07-02 | 2015-07-02 | Meta Materials and Super-material antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520470196.0U CN204706648U (en) | 2015-07-02 | 2015-07-02 | Meta Materials and Super-material antenna |
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| CN204706648U true CN204706648U (en) | 2015-10-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113241531A (en) * | 2021-04-28 | 2021-08-10 | 大连理工大学 | Tunable array integrated broadband terahertz wave-absorbing resonator based on vanadium dioxide |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113241531A (en) * | 2021-04-28 | 2021-08-10 | 大连理工大学 | Tunable array integrated broadband terahertz wave-absorbing resonator based on vanadium dioxide |
| CN113241531B (en) * | 2021-04-28 | 2022-04-12 | 大连理工大学 | Tunable array integrated broadband terahertz wave-absorbing resonator based on vanadium dioxide |
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