CN205863402U - Meta Materials - Google Patents
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- CN205863402U CN205863402U CN201620465469.7U CN201620465469U CN205863402U CN 205863402 U CN205863402 U CN 205863402U CN 201620465469 U CN201620465469 U CN 201620465469U CN 205863402 U CN205863402 U CN 205863402U
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- electrically controllable
- meta materials
- metal structure
- microstructure unit
- varactor
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Abstract
The utility model discloses a kind of Meta Materials.Wherein, this Meta Materials includes: base material；Electrically controllable microstructure unit array, electrically controllable microstructure unit array is arranged on base material, electrically controllable microstructure unit array includes multiple electrically controllable microstructure unit, wherein, each electrically controllable microstructure unit includes: outer metal structure and interior metal structure, interior metal structure and the passage of outer metal structure composition annular；Varactor, varactor is arranged in the passage of each electrically controllable microstructure unit, for the operating frequency according to each electrically controllable microstructure unit of voltage-regulation being carried in varactor two ends.This utility model solves the technical problem of the operating frequency that cannot regulate Meta Materials in prior art rapidly and accurately.
Description
Technical field
This utility model relates to control field, in particular to a kind of Meta Materials.
Background technology
In existing society, Meta Materials has the artificial composite junction of the extraordinary physical property not available for traditional natural material
Structure, but, for Meta Materials, its unusual electromagnetic property has a frequency band range, surpasses and goes beyond the scope, and this is unusual
Electromagnetic property can weaken and even disappear.Therefore, person skilled begins to study controlled Meta Materials, in existing research
In achievement, controlled Meta Materials mainly includes three major types: the controlled Meta Materials of (1) mechanical type；(2) microwave switch is loaded；(3) loading can
Control material (such as, ferrite, liquid crystal material, Graphene etc.).Wherein, the Meta Materials that mechanical type is controlled is owing to enter amount of movement
Row is accurately controlled, therefore so that volume is relatively large, is difficult to operation；Load microwave switch its state of controlled Meta Materials with
The number of switch is relevant, will realize abundant status number and be accomplished by adding abundant switch number, cause the complexity of structure
Degree increases；And load the frequency range of its regulation and control of Meta Materials of controllable material not quite, and applied bias field is needed to cause structure
Complicated.
For above-mentioned problem, effective solution is the most not yet proposed.
Utility model content
This utility model embodiment provides a kind of Meta Materials, at least to solve cannot adjust rapidly and accurately in prior art
The technical problem of the operating frequency of joint Meta Materials.
An aspect according to this utility model embodiment, it is provided that a kind of Meta Materials, including: base material；Electrically controllable
Microstructure unit array, described electrically controllable microstructure unit array is arranged on described base material, described electrically controllable micro structure
Cell array includes multiple electrically controllable microstructure unit, and wherein, each electrically controllable microstructure unit includes: outer metal structure and interior
Metal structure, described interior metal structure and the passage of described outer metal structure composition annular；Varactor, described transfiguration two pole
Pipe is arranged in the described passage of described each electrically controllable microstructure unit, for according to being carried in described varactor two ends
Voltage-regulation described in the operating frequency of each described electrically controllable microstructure unit.
Further, described outer metal structure is frame structure, and described interior metal structure is rectangular metal paster, described interior
Metal structure is nested in described outer metal structure.
Further, the range of accommodation of described operating frequency includes: 0.3GHz to 300GHz.
Further, the material of described outer metal structure and described interior metal structure be following at least one: copper, silver and
Gold.
Further, the span of the voltage being carried in described varactor two ends is: 0V to 20V.
Further, in the positive-negative extreme direction in the passage of described annular of the described varactor and described Meta Materials
Electromagnetic field direction identical.
Further, stating base material is non-magnetic media material, and the value of the dielectric constant of described base material
Scope is: 2 to 10, and the pcrmeability of described base material is 1.
Further, the size of electrically controllable microstructure unit described in any two in described electrically controllable microstructure unit array
Identical.
Further, described Meta Materials also includes: coaxial through-hole, is arranged in described interior metal structure, described interior metal
Structure is connected with feeding network by described coaxial through-hole, for applying voltage to described varactor.
Further, the electromagnetic wave of the surface incidence being perpendicular to described metal structure is plane wave, the width of described electromagnetic wave
Value and phase place be perpendicular in incident direction equal.
Further, in default frequency range, in described electrically controllable microstructure unit array two of arbitrary neighborhood electrically controllable
Distance between microstructure unit is predeterminable range, and wherein, the span of described predeterminable range is: 1/2 λ to λ, and described λ is
The wavelength of electromagnetic wave in described Meta Materials.
In this utility model embodiment, use base material；Electrically controllable microstructure unit array, described electrically controllable micro-knot
Structure cell array is arranged on described base material, and described electrically controllable microstructure unit array includes multiple electrically controllable micro structure list
Unit, wherein, each electrically controllable microstructure unit includes: outer metal structure and interior metal structure, described interior metal structure and described
The passage of outer metal structure composition annular；Varactor, described varactor is arranged on described each electrically controllable micro structure
In the described passage of unit, it is carried in described in the voltage-regulation at described varactor two ends each described electrically controllable for basis
The mode of the operating frequency of microstructure unit, by electrically controllable microstructure unit each in electrically controllable microstructure unit array
The varactor of one variable capacitance is set, to reach to regulate the purpose of the operating frequency of each electrically controllable microstructure unit,
It is achieved thereby that the technique effect of the operating frequency of Meta Materials just can be able to be regulated by varactor, and then solve existing
There is the technical problem of the operating frequency that cannot regulate Meta Materials in technology rapidly and accurately.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used for explaining this utility model, is not intended that of the present utility model improper
Limit.In the accompanying drawings:
Fig. 1 is the schematic diagram of a kind of Meta Materials according to this utility model embodiment；
Fig. 2 is the structural representation of a kind of electrically controllable microstructure unit array according to this utility model embodiment；And
Fig. 3 is a kind of electric capacity according to this utility model embodiment and the schematic diagram of frequency variation relation.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that this utility model scheme, real below in conjunction with this utility model
Execute the accompanying drawing in example, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of this utility model part rather than whole embodiments.Based on the reality in this utility model
Execute example, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all answer
When the scope belonging to this utility model protection.
It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing,
" second " etc. are for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that so
The data used can be exchanged in the appropriate case, in order to embodiment of the present utility model described herein can be with except at this
In illustrate or describe those beyond order implement.Additionally, term " includes " and " having " and their any deformation, meaning
Figure is to cover non-exclusive comprising, and such as, contains series of steps or the process of unit, method, system, product or equipment
Be not necessarily limited to those steps or the unit clearly listed, but can include the most clearly listing or for these processes,
Other step that method, product or equipment are intrinsic or unit.
According to this utility model embodiment, it is provided that the embodiment of a kind of Meta Materials.Below in conjunction with Fig. 1 and Fig. 2 to this reality
Illustrate by new embodiment.Fig. 1 is the schematic diagram of a kind of Meta Materials according to this utility model embodiment, and Fig. 2 is basis
A kind of structural representation of the electrically controllable microstructure unit array of this utility model embodiment.As depicted in figs. 1 and 2, this super material
Material includes: base material 11, the electrically controllable microstructure unit array being made up of at least one electrically controllable microstructure unit 13 and change
Hold diode 15, wherein:
Electrically controllable microstructure unit array is arranged on base material, and electrically controllable microstructure unit array includes that multiple electricity can
Control microstructure unit, wherein, each electrically controllable microstructure unit includes: outer metal structure and interior metal structure, interior metal structure
Passage with outer metal structure composition annular；
Varactor 15 is arranged in the passage of each electrically controllable microstructure unit, for according to being carried in transfiguration two pole
The operating frequency of each electrically controllable microstructure unit of voltage-regulation at pipe two ends.
In this utility model embodiment, by electrically controllable microstructure unit each in electrically controllable microstructure unit array
The middle varactor arranging a variable capacitance, to reach to regulate the mesh of the operating frequency of each electrically controllable microstructure unit
, it is achieved thereby that the technique effect of the operating frequency of Meta Materials just can be able to be regulated by varactor, and then solve
Prior art cannot regulate the technical problem of the operating frequency of Meta Materials rapidly and accurately.
As shown in Figure 2 for 10 × 10 electrically controllable microstructure unit array, in the array, can including 10 × 10 electricity
Control microstructure unit 13.As in figure 2 it is shown, in this utility model embodiment, any two in electrically controllable microstructure unit array
The size of individual electrically controllable microstructure unit is the most identical, the close array arrangement of unit.Namely electrically controllable for construction unit
Array includes multiple identical electrically controllable microstructure unit, and wherein, in electrically controllable microstructure unit array, any one is electrically controllable
The structure chart of microstructure unit 13 is as shown in Figure 1.In FIG, electrically controllable microstructure unit 13 includes outer metal structure 132 and interior
Metal structure 131, interior metal structure 131 and outer metal structure 132 form the passage 17 of the annular that spacing is d.As shown in Figure 2
Electrically controllable microstructure unit 13 in, outer metal structure 132 can be frame structure, interior metal structure 131 can be rectangle gold
Belong to paster, as it is shown in figure 1, interior metal structure is nested in outer metal structure, and form above-mentioned passage 17.
The material of above-mentioned outer metal structure and interior metal structure can be following at least one: copper, silver-colored and golden.Owing to considering
To the cost of electrically controllable Meta Materials, as preferably, the material of outer metal structure and interior metal structure can be chosen for copper.Need
Bright, if the material selection of above-mentioned outer metal structure and interior metal structure is copper, then can be in copper surface gold-plating, to prevent
The electrically controllable Meta Materials of copper product is owing to using the oxidation caused for a long time.
In this utility model embodiment, it is also possible to a change is installed in the passage 17 of each electrically controllable microstructure unit
Holding diode 15, wherein, this varactor is the diode of variable capacitance, variable reverse-biased when loading at varactor two ends
When putting DC voltage, i.e. can change the electric capacity of this varactor.According to formulaWith understanding, work as transfiguration
When the electric capacity of diode changes, the ω of this electrically controllable microstructure unit 13 there occurs change, and wherein, ω is electrically controllable micro-
The instantaneous operating frequency of construction unit 13 correspondence.
In an optional embodiment of the present utility model, the regulation model of each electrically controllable microstructure unit operating frequency
Enclose and include: 0.3GHz to 300GHz, i.e. can regulate each electrically controllable microstructure unit operating frequency in above-mentioned range of accommodation.
Further, the span of the voltage being carried in varactor two ends is: 0V to 20V, by this transfiguration
The two ends of diode load the magnitude of voltage in above-mentioned scope and i.e. may be implemented in regulation electricity in the frequency range of 0.3GHz to 300GHz
The operating frequency of controllable microstructure cell array.
In this utility model embodiment, varactor may be mounted at position (i.e. ring as shown in Figures 1 and 2
The lower wing passage of shape passage), it is also possible to it is arranged on the left channel in the passage of annular, right channel, it is also possible to for upside
In passage.It should be noted that no matter varactor is arranged on which position of passage, varactor will be ensured
Positive-negative extreme direction is identical with the electromagnetic field direction in Meta Materials, and wherein, above-mentioned positive-negative extreme direction can be varactor
Positive pole points to the direction of negative pole, it is also possible to for the direction of the negative pole sensing positive pole of varactor.Such as, when the electricity in Meta Materials
When magnetic direction is vertical direction from top to bottom, varactor now can be arranged on position as shown in Figures 1 and 2
Put.
In this utility model embodiment, above-mentioned electrically controllable Meta Materials also includes base material 11, and wherein, base material is used
In installing above-mentioned electrically controllable microstructure unit array.Above-mentioned base material can be chosen for non-magnetic media material, and substrate
The span of the dielectric constant of material is: 2 to 10, and the pcrmeability of base material is 1.As it is shown in figure 1, in due to passage 17 being
Empty passage, this passage is the gap between interior metal structure and outer metal structure, therefore, at the exposed material out of this passage
It is base material 11.
In this utility model embodiment, above-mentioned Meta Materials also includes: coaxial through-hole 19, and as depicted in figs. 1 and 2, this is same
Shaft through-hole 19 is arranged in interior metal structure, and interior metal structure is connected with feeding network by coaxial through-hole, for transfiguration two
Pole pipe applies reverse bias voltage.
Alternatively, when the surface incidence having electromagnetism to be perpendicular to outer metal structure and interior metal structure, this electromagnetic wave is permissible
For plane wave, and the amplitude of this electromagnetic wave and phase place be perpendicular in incident direction equal.
In this utility model embodiment, when the operating frequency of Meta Materials is in default frequency range, electrically controllable micro structure list
In element array, the distance between two electrically controllable microstructure units of arbitrary neighborhood is predeterminable range, wherein, and taking of predeterminable range
Value scope is: 1/2 λ to λ, λ are the wavelength of electromagnetic wave in Meta Materials.It should be noted that be in the Meta Materials of different frequency range
The adjacent electrically controllable microstructure unit of any two between distance differ.
With specific embodiment, this utility model is illustrated below.Such as, research staff designs a Meta Materials, its
In, it is desirable to the working frequency range of this Meta Materials is: 17.5GHz-13.4GHz, and the center operating frequency f chosen is 15GHz.Now,
The wavelength X that can choose the electromagnetic wave in this Meta Materials according to the working frequency range chosen is 20mm；And above-mentioned interior metal structure
Can be chosen for copper with the material of outer metal structure, base material can be F4B material, and wherein, the dielectric of this base material is normal
Number ε=3.0, magnetic permeability μ=1；And each electrically controllable microstructure unit can be " Fang Huan in this controlled metamaterial unit array
Type ", wherein, the outer length of side and the width of each electrically controllable microstructure unit China and foreign countries metal structure are equal, such as, be chosen for a=7.5mm,
The length of interior metal structure (such as, rectangular metal paster) and width can be 6mm；The width of above-mentioned passage can be 0.75mm, on
The metal thickness stating outer metal structure and interior metal structure can be 0.035mm, and base material thickness can be 0.3mm, electrically controllable
In microstructure unit array distance between two electrically controllable microstructure units of arbitrary neighborhood be predeterminable range be 7.5mm.
After designing above-mentioned Meta Materials, then this Meta Materials can be applied in concrete equipment, such as, be applied to
In antenna, such as, the plate aerial of Meta Materials can use the above-mentioned electrically controllable Meta Materials designed.Meta Materials uses
When loading the electrically controllable Meta Materials of varactor, can divide by controlling the regulating and controlling voltage array element phase shift of varactor
Cloth, it is achieved wide angle scans continuously.
Introduce the frequency adjustment procedure of the above-mentioned Meta Materials set in detail below.Specifically, when electrically controllable Meta Materials
When working frequency range is 17.5GHz-13.4GHz, the capacitance of varactor can become between 0.02pF to 0.32pF
Changing, the variation relation of frequency and electric capacity is as shown in Figure 3.As it is shown on figure 3, when electric capacity is gradually increased, frequency is gradually reduced；Work as electricity
When appearance is gradually reduced, frequency is gradually increased, i.e. the relation between electric capacity and frequency is inversely prroportional relationship.Therefore, new in this practicality
In type embodiment, when the electric capacity of varactor increases, the working frequency range of electrically controllable Meta Materials will reduce, and work as varactor
Electric capacity when reducing, the working frequency range of electrically controllable Meta Materials will increase.Therefore, it can the electric capacity by controlling varactor
Size adjusts the operating frequency of electrically controllable Meta Materials in default frequency range.Such as, the central task of the electrically controllable Meta Materials chosen
Frequency f is 15GHz, if be detected that the ongoing frequency of electrically controllable Meta Materials is more than 15GHz, then can increase varactor
Electric capacity, to reduce the ongoing frequency of electrically controllable Meta Materials.Wherein it is possible to the reverse bias of the electric capacity by being carried in varactor
The electric capacity of this varactor of voltage-regulation, and then, the operating frequency of electrically controllable Meta Materials is regulated by regulation electric capacity.
To sum up, in this utility model above-described embodiment, transfiguration two on electrically controllable Meta Materials can be carried in by regulation
The voltage of pole pipe regulates the electric capacity of varactor, then according to formulaRegulate electrically controllable Meta Materials
Operating frequency.Use the mode of the operating frequency regulating electrically controllable Meta Materials that above-mentioned this utility model provides, it is possible to achieve
Regulate the operating frequency of electrically controllable Meta Materials, and simple in construction in presetting frequency range, it is not necessary to complicated structure, conveniently make.Adopt
In the case of can not changing ensureing whole Meta Materials in fashion described above, only need to control the applied bias of varactor
Voltage can realize the continuous control to Meta Materials electromagnetic performance.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (10)
1. a Meta Materials, it is characterised in that including:
Base material；
Electrically controllable microstructure unit array, described electrically controllable microstructure unit array is arranged on described base material, described electricity
Controllable microstructure cell array includes multiple electrically controllable microstructure unit, and wherein, each electrically controllable microstructure unit includes: gold outward
Belong to structure and interior metal structure, described interior metal structure and the passage of described outer metal structure composition annular；
Varactor, described varactor is arranged in the described passage of described each electrically controllable microstructure unit, is used for
According to being carried in the operating frequency of each electrically controllable microstructure unit described in the voltage-regulation at described varactor two ends.
Meta Materials the most according to claim 1, it is characterised in that described outer metal structure is frame structure, described Endothelium corneum
Belonging to structure is rectangular metal paster, and described interior metal structure is nested in described outer metal structure.
Meta Materials the most according to claim 1, it is characterised in that the range of accommodation of described operating frequency includes: 0.3GHz
To 300GHz.
Meta Materials the most according to claim 1, it is characterised in that be carried in the taking of voltage at described varactor two ends
Value scope is: 0V to 20V.
Meta Materials the most according to claim 1, it is characterised in that described varactor is in the passage of described annular
Positive-negative extreme direction is identical with the electromagnetic field direction in described Meta Materials.
Meta Materials the most according to claim 1, it is characterised in that described base material is non-magnetic media material, and
The span of the dielectric constant of described base material is: 2 to 10, and the pcrmeability of described base material is 1.
Meta Materials the most according to claim 1, it is characterised in that any two in described electrically controllable microstructure unit array
The size of described electrically controllable microstructure unit is identical.
Meta Materials the most according to any one of claim 1 to 7, it is characterised in that described Meta Materials also includes:
Coaxial through-hole, is arranged in described interior metal structure, and described interior metal structure passes through described coaxial through-hole and feeding network
Connect, for applying voltage to described varactor.
Meta Materials the most according to claim 1, it is characterised in that be perpendicular to described outer metal structure and described interior metal knot
The incident electromagnetic wave in the surface of structure is plane wave, the amplitude of described electromagnetic wave and phase place be perpendicular in incident direction equal.
Meta Materials the most according to claim 9, it is characterised in that in default frequency range, described electrically controllable microstructure unit
In array, the distance between two electrically controllable microstructure units of arbitrary neighborhood is predeterminable range, wherein, and described predeterminable range
Span is: 1/2 λ to λ, and described λ is the wavelength of electromagnetic wave in described Meta Materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620465469.7U CN205863402U (en) | 2016-05-19 | 2016-05-19 | Meta Materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620465469.7U CN205863402U (en) | 2016-05-19 | 2016-05-19 | Meta Materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205863402U true CN205863402U (en) | 2017-01-04 |
Family
ID=57642661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620465469.7U Withdrawn - After Issue CN205863402U (en) | 2016-05-19 | 2016-05-19 | Meta Materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205863402U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017198000A1 (en) * | 2016-05-19 | 2017-11-23 | 深圳超级数据链技术有限公司 | Metamaterial, and method and apparatus thereof for adjusting frequency |
| CN110829033A (en) * | 2019-10-28 | 2020-02-21 | 东南大学 | High-efficiency electromagnetic wave frequency conversion time domain super surface |
-
2016
- 2016-05-19 CN CN201620465469.7U patent/CN205863402U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017198000A1 (en) * | 2016-05-19 | 2017-11-23 | 深圳超级数据链技术有限公司 | Metamaterial, and method and apparatus thereof for adjusting frequency |
| CN107404003A (en) * | 2016-05-19 | 2017-11-28 | 深圳超级数据链技术有限公司 | Meta Materials and its frequency adjustment method and device |
| CN107404003B (en) * | 2016-05-19 | 2019-11-05 | 深圳光启合众科技有限公司 | Meta Materials and its frequency adjustment method and device |
| US10566960B2 (en) | 2016-05-19 | 2020-02-18 | Shen Zhen Kuang-Chi Hezhong Technology Ltd. | Metamaterial, and method and apparatus for adjusting frequency of metamaterial |
| CN110829033A (en) * | 2019-10-28 | 2020-02-21 | 东南大学 | High-efficiency electromagnetic wave frequency conversion time domain super surface |
| CN110829033B (en) * | 2019-10-28 | 2021-04-27 | 东南大学 | High-efficiency electromagnetic wave frequency conversion time domain super surface |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170104 Effective date of abandoning: 20191105 |