CN103036047A - Manual electromagnetic material with broadband high refraction index and low dispersion characteristic - Google Patents
Manual electromagnetic material with broadband high refraction index and low dispersion characteristic Download PDFInfo
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- CN103036047A CN103036047A CN2011102936188A CN201110293618A CN103036047A CN 103036047 A CN103036047 A CN 103036047A CN 2011102936188 A CN2011102936188 A CN 2011102936188A CN 201110293618 A CN201110293618 A CN 201110293618A CN 103036047 A CN103036047 A CN 103036047A
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Abstract
The invention relates to a manual electromagnetic material with broadband high refraction index and low dispersion characteristic. The material comprises at least one manual electromagnetic material piece layer. Each manual electromagnetic material piece layer comprises a substrate and at least two artificial micro structures attached to the front face and the back face of the substrate, and each artificial micro structure comprises at least two I-shaped structures vertically distributed. The manual electromagnetic material has high refraction rate in a broadband range, and the refraction rate is stable in change. The manual electromagnetic material is capable of meeting requirements of special occasions such as fields of semiconductor manufacture and antenna manufacture. The manual electromagnetic material has wide application prospect.
Description
Technical field
The present invention relates to a kind of artificial electromagnetic material, more particularly, relate to a kind of artificial electromagnetic material with wideband high index of refraction and low dispersion characteristics.
Background technology
Artificial electromagnetic material is commonly called as super material, is a kind of can to the novel artificial synthetic material of electromagnetic wave generation response, the be comprised of substrate and the artificial micro-structural that is attached on the substrate.Because the structure with certain geometrical pattern that artificial micro-structural normally is arranged into by electric conducting material, therefore can produce response to electromagnetic wave, thereby make super material monolithic embody the electromagnetic property that is different from substrate, for example DIELECTRIC CONSTANT ε is different with magnetic permeability μ, according to the refractive index formula
As can be known, refractive index n is also different.
Existing artificial electromagnetic material, its artificial micro-structural adopts ELC structure shown in Figure 3 usually, comprise two split rings and the connecting line that is connected two split rings that opening is relative, its refractive index characteristic as shown in Figure 4, by the refractive index characteristic curve chart as can be known: refractive index value is less between 5GHz～10GHz, and variation more acutely is that dispersion characteristics are higher.So be difficult to satisfy some special occasions to the demand of high index of refraction wideband and low dispersion characteristics, such as fields such as semiconductor manufacturing and antenna manufacturings.
Summary of the invention
The technical problem to be solved in the present invention is, for the defective of prior art, provides a kind of artificial electromagnetic material with wideband high index of refraction and low dispersion characteristics.
The technical solution adopted for the present invention to solve the technical problems is: a kind of artificial electromagnetic material with wideband high index of refraction and low dispersion characteristics, comprise at least one artificial electromagnetic material lamella, each artificial electromagnetic material lamella comprises substrate and is attached to double-edged at least two the artificial micro-structurals of substrate, each described artificial micro-structural comprises at least two I-shape constructions of arranging up and down, described arrange up and down I-shaped in the same plane.
In preferred implementation of the present invention, between the adjacent substrate by assembling or between adjacent substrate, fill can connect the two material with both be adhesively fixeds.
In preferred implementation of the present invention, filling liquid raw substrate between the adjacent substrate, its after curing with the adjacent substrate be adhesively fixed.
In preferred implementation of the present invention, described artificial micro-structural is attached on the described substrate by etching.
In preferred implementation of the present invention, described artificial micro-structural is carved by plating, brill or photoetching is attached on the described substrate.
In preferred implementation of the present invention, described artificial micro-structural is carved by electronics or ion is attached on the described substrate quarter.
In preferred implementation of the present invention, described substrate is made by FR-4, pottery or polytetrafluoroethylene.
In preferred implementation of the present invention, described substrate is made by ferroelectric material, ferrite material or ferromagnetic material.
In preferred implementation of the present invention, described artificial micro-structural is made by electric conducting material.
In preferred implementation of the present invention, described artificial micro-structural is made by silver, copper, ITO, graphite or carbon nano-tube.
Implement artificial electromagnetic material of the present invention, have following beneficial effect: the artificial electromagnetic material of this structure in wider frequency band range, have higher refractive index and variations in refractive index more steady, namely have preferably wideband and low dispersion characteristics, can satisfy the demand of special occasions, such as fields such as semiconductor manufacturing and antenna manufacturings, have broad application prospects.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of a lamella of artificial electromagnetic material of the present invention;
Fig. 2 is the structural representation by the stacking artificial electromagnetic material that forms of artificial electromagnetic material lamella shown in Figure 1;
Fig. 3 is that artificial micro-structural is the structural representation of each artificial electromagnetic material lamella of ELC structure in the prior art;
Fig. 4 is the refractive index characteristic curve synoptic diagram of artificial electromagnetic material shown in Figure 3;
Fig. 5 is the structural representation of an artificial electromagnetic material lamella shown in the embodiment;
Fig. 6 is an I-shaped structural representation in each artificial micro-structural among Fig. 5;
Fig. 7 is the refractive index characteristic curve synoptic diagram of the artificial electromagnetic material shown in the embodiment.
Embodiment
The present embodiment provides a kind of artificial electromagnetic material with wideband high index of refraction and low dispersion characteristics, comprise at least one artificial electromagnetic material lamella 1, as shown in Figure 1, each artificial electromagnetic material lamella comprises substrate and be attached to double-edged at least two the artificial micro-structurals of substrate, and each artificial micro-structural comprises at least two I-shape constructions of arranging up and down.When artificial electromagnetic material lamella 1 has when a plurality of, each artificial electromagnetic material lamella 1 is along the direction stack perpendicular to lamella, and is assembled into one by mechanical connection, welding or bonding mode, as shown in Figure 2.
As shown in Figure 5, artificial electromagnetic material lamella 1 comprises substrate and the artificial micro-structural that is attached on the substrate, and the substrate tow sides all are attached with artificial micro-structural, and Fig. 5 has only shown the structure in artificial electromagnetic material lamella front, and the structure of reverse side is identical with Facad structure.The substrate tow sides are attached with respectively the artificial micro-structural of 2 * 3 array arrangements among this embodiment, and each artificial micro-structural comprises that two of arranging up and down are I-shaped.
The surface of substrate is divided into respectively a plurality of identical 3.8 millimeters * 3.8 millimeters square nets virtually, adheres to an artificial micro-structural in each square net, each artificial micro-structural comprises that two of arranging up and down are I-shaped.Artificial micro-structural is attached on the substrate by etched mode, certain artificial micro-structural also can adopt plating, bores quarter, photoetching, electronics is carved or ion quarter etc. mode be attached on the substrate.Substrate adopts the FR-4 material, can certainly adopt other materials to make, and makes such as pottery, polytetrafluoroethylene, ferroelectric material, ferrite material or ferromagnetic material.Artificial micro-structural 4 adopts copper cash to make, and can certainly adopt the electric conducting materials such as silver-colored line, ITO, graphite or carbon nano-tube to make.
As shown in Figure 6, the I-shaped employing width b=0.2 millimeter in the artificial micro-structural in the present embodiment, the copper cash of thickness c=0.018 millimeter is made, and each I-shaped length a=3.7 millimeter highly is 1.8 millimeters.
Its refractive index characteristic of the artificial electromagnetic material of the present embodiment as shown in Figure 7, (5～20GHz) refractive indexes very steadily have preferably broadband properties and low dispersion characteristics in wider frequency range, and refractive index all has higher refractive index greater than 4, compare as can be known with the refractive index of the artificial electromagnetic material of ELC structure in the prior art, artificial electromagnetic material provided by the invention has better refractive index characteristic, can satisfy the demand of special occasions, such as fields such as semiconductor manufacturing and antenna manufacturings, have broad application prospects.
The above is described embodiments of the invention by reference to the accompanying drawings; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away from the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. artificial electromagnetic material with wideband high index of refraction and low dispersion characteristics, it is characterized in that, comprise at least one artificial electromagnetic material lamella, each artificial electromagnetic material lamella comprises substrate and is attached to double-edged at least two the artificial micro-structurals of substrate, each described artificial micro-structural comprises at least two I-shape constructions of arranging up and down, described arrange up and down I-shaped in the same plane.
2. artificial electromagnetic material according to claim 1 is characterized in that, between the adjacent substrate by assembling or between adjacent substrate, fill can connect the two material with both be adhesively fixeds.
3. artificial electromagnetic material according to claim 2 is characterized in that, filling liquid raw substrate between the adjacent substrate, its after curing with the adjacent substrate be adhesively fixed.
4. artificial electromagnetic material according to claim 1 is characterized in that, described artificial micro-structural is attached on the described substrate by etching.
5. artificial electromagnetic material according to claim 1 is characterized in that, described artificial micro-structural is carved by plating, brill or photoetching is attached on the described substrate.
6. artificial electromagnetic material according to claim 1 is characterized in that, described artificial micro-structural is carved by electronics or ion is attached on the described substrate quarter.
7. according to claim 1 to 6 arbitrary described artificial electromagnetic materials, it is characterized in that, described substrate is made by FR-4, pottery or polytetrafluoroethylene.
8. according to claim 1 to 6 arbitrary described artificial electromagnetic materials, it is characterized in that, described substrate is made by ferroelectric material, ferrite material or ferromagnetic material.
9. according to claim 1 to 6 arbitrary described artificial electromagnetic materials, it is characterized in that, described artificial micro-structural is made by electric conducting material.
10. artificial electromagnetic material according to claim 9 is characterized in that, described artificial micro-structural is made by silver, copper, ITO, graphite or carbon nano-tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110293618.8A CN103036047B (en) | 2011-09-30 | A kind of artificial electromagnetic material with broadband high refraction index and low dispersion characteristics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110293618.8A CN103036047B (en) | 2011-09-30 | A kind of artificial electromagnetic material with broadband high refraction index and low dispersion characteristics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103036047A true CN103036047A (en) | 2013-04-10 |
| CN103036047B CN103036047B (en) | 2016-12-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399369A (en) * | 2013-07-16 | 2013-11-20 | 哈尔滨工程大学 | Transmission optical device based on artificial electromagnetic material |
| CN109638469A (en) * | 2018-12-14 | 2019-04-16 | 北京无线电测量研究所 | A kind of reflector element and reflectarray antenna of internal load phase minor matters |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070215843A1 (en) * | 2005-11-14 | 2007-09-20 | Iowa State University Research Foundation | Structures With Negative Index Of Refraction |
| CN201450116U (en) * | 2009-07-01 | 2010-05-05 | 东南大学 | Lens antenna with wide frequency band, high gain and good directionality |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070215843A1 (en) * | 2005-11-14 | 2007-09-20 | Iowa State University Research Foundation | Structures With Negative Index Of Refraction |
| CN201450116U (en) * | 2009-07-01 | 2010-05-05 | 东南大学 | Lens antenna with wide frequency band, high gain and good directionality |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399369A (en) * | 2013-07-16 | 2013-11-20 | 哈尔滨工程大学 | Transmission optical device based on artificial electromagnetic material |
| CN103399369B (en) * | 2013-07-16 | 2016-01-27 | 哈尔滨工程大学 | Based on the transmission light device of artificial electromagnetic material |
| CN109638469A (en) * | 2018-12-14 | 2019-04-16 | 北京无线电测量研究所 | A kind of reflector element and reflectarray antenna of internal load phase minor matters |
| CN109638469B (en) * | 2018-12-14 | 2020-10-30 | 北京无线电测量研究所 | Reflection unit internally loaded with phase branches and reflection array antenna |
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