CN205509018U - Super material and polarizer - Google Patents
Super material and polarizer Download PDFInfo
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- CN205509018U CN205509018U CN201620268301.7U CN201620268301U CN205509018U CN 205509018 U CN205509018 U CN 205509018U CN 201620268301 U CN201620268301 U CN 201620268301U CN 205509018 U CN205509018 U CN 205509018U
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- broken line
- line portion
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Abstract
The utility model relates to a super material and polarizer, including at least one deck folding line structure layer, the folding line structure layer includes the base plate and sets up at least one folding line structure on the base plate, folding line structure includes first broken line portion and second broken line portion, and the first end of first broken line portion and the first end of second broken line portion meet, and there are the length difference in first broken line portion and second broken line portion, first broken line portion and second broken line portion become 90 contained angles. The utility model provides a super material passes through folding line structure and realizes the polarization of an electromagnetic wave conversion through set up folding line structure on the folding line structure layer. And, can confirm the length difference between first broken line portion and the second broken line portion according to the wavelength of former polarized wave to relation through between poor all poor and wavelength realizes the control to electromagnetic wave conversion result.
Description
Technical field
This utility model relates to a kind of Meta Materials, particularly a kind of Meta Materials and polarizer.
Background technology
At the fields such as radar, communication, Aero-Space and remote-control romote-sensing, the reflection characteristic of target, electricity
The propagation of magnetic wave and the receptivity of signal are all relevant with the polarization of ripple.Therefore, polarization letter
Cease target detection, strengthen, filter and identify in have huge applications potentiality.It addition, radar pole
Changing antagonism is the technology utilizing antenna and polarization of electromagnetic wave characteristic to carry out anti-interference.Due to
Polarization characteristic helps against the interference of interference ripple and is identified polarization Stealthy Target, along with existing
For war to communication and the upgrading of attention of electronic countermeasure, Polarization technique as an important interference,
Anti-Jamming Technique also becomes a study hotspot in military research field.
Therefore, for adapting to the intensive polygon feature of present information, common antenna only has a kind of polarization
It is not suitable with the requirement of Modern Communication System.Requirement to the quick polarization conversion of antenna is the most urgent
Cut.Polarizer or polarization converter a kind of being used for just realizes linear polarization and circular polarisation, vertical polarization
Device with the conversion of horizontal polarization form.Polarization conversion is primarily upon the index of the following aspects:
1) high-performance, i.e. polarized wave after conversion should have higher polarization isolation, close to required
The polarized state wanted；
2) low-loss, i.e. has higher energy conversion efficiency；And
3) small size, i.e. takies the least space.
Meta Materials is made up of medium substrate and the man-made microstructure being arranged on medium substrate, Ke Yiti
The characteristic not having for various common materials, man-made microstructure is at the yardstick of 1/5 to 1/10 wavelength
Under, electric field and magnetic field are had some response and a magnetic response, thus show effective dielectric constant and etc.
Effect pcrmeability.And, the effective dielectric constant of man-made microstructure and equivalent permeability can be by setting
The physical dimension parameter of meter man-made microstructure carrys out manual control.This is for realizing reaching the pole of above-mentioned target
Change conversion and provide possibility.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of Meta Materials and polarizer, to solve
Certainly technical problem of the prior art.
According to first aspect of the present utility model, it is provided that a kind of Meta Materials, including at least one of which broken line
Structure sheaf, described meander line structure layer includes substrate and arranges at least one broken line on the substrate
Structure, described meander line structure includes the first broken line portion and the second broken line portion, the first of the first broken line portion
First end in end and the second broken line portion connects, and the first broken line portion and the second broken line portion exist length difference,
Described first broken line portion and the second broken line portion angle in 90 °.
Preferably, described substrate including multiple broken line portion, multiple described broken line portions become array distribution.
Preferably, described first broken line portion is incident electromagnetic wave 1/2 with the length difference in the second broken line portion
Or 1/4 odd-multiple of wavelength.
Preferably, described meander line structure is made of an electrically conducting material.
Preferably, conductive material is metal simple-substance, metal alloy, ink or quasiconductor.
Preferably, described substrate is made up of composite.
Preferably, composite includes a layer or multiple structure of fiber, foam and/or honeycomb.
Preferably, described meander line structure layer is provided with three layers, aligned layer between three layers of meander line structure layer
Folded.
Preferably, three layers of meander line structure layer are stacked together by heat pressing process.
According to second aspect of the present utility model, it is provided that a kind of polarizer, including above-mentioned Meta Materials.
Preferably, incident electromagnetic wave is line polarization wave, the first folding of meander line structure on described Meta Materials
Line portion and the odd-multiple that length difference is incident electromagnetic wave 1/2 wavelength in the second broken line portion, composite wave
Polarised direction is relative to the polarised direction half-twist of incident electromagnetic wave.
Preferably, incident electromagnetic wave is line polarization wave, the first folding of meander line structure on described Meta Materials
Line portion and the odd-multiple that length difference is incident electromagnetic wave 1/4 wavelength in the second broken line portion, composite wave is
Circularly polarised wave.
Preferably, incident electromagnetic wave is circularly polarised wave, the first folding of meander line structure on described Meta Materials
Line portion and the odd-multiple that length difference is incident electromagnetic wave 1/2 wavelength in the second broken line portion, circularly polarised wave
Be converted to line polarization wave.
The Meta Materials that this utility model provides is by arranging meander line structure by folding on meander line structure layer
Line structure realizes polarization of electromagnetic wave conversion.And, can be determined according to the wavelength of former polarized wave
Length difference between one broken line portion and the second broken line portion, and by the relation between the poorest and wavelength
Realize the control to electromagnetic wave conversion results.
Accompanying drawing explanation
By description to this utility model embodiment referring to the drawings, of the present utility model above-mentioned
And other objects, features and advantages will be apparent from, in the accompanying drawings:
Fig. 1 is one layer of meander line structure layer schematic diagram of this utility model Meta Materials；
Fig. 2 is this utility model metamaterial structure schematic diagram.
Detailed description of the invention
It is more fully described various embodiment of the present utility model hereinafter with reference to accompanying drawing.Attached at each
In figure, identical element uses same or similar reference to represent.For the sake of clarity,
Various piece in accompanying drawing is not necessarily to scale.
As it is shown in figure 1, one layer of meander line structure layer 100 of the Meta Materials of this utility model offer includes
Substrate 110 and meander line structure 120.Meander line structure includes the first broken line portion 121 and in fig. 2
Two broken line portions 122, first end in the first broken line portion 121 and the second broken line portion 122 connects, and the
Between one broken line portion 121 and the second broken line portion 122 at a certain angle, it is preferable that angle is
90°.Meander line structure 120 becomes array to be evenly distributed with multiple on substrate 110, and multiple first
Broken line portion 121 is parallel to each other, and multiple second broken line portions 122 are parallel to each other.Shown in Fig. 1 it is
The embodiment of 10 these line structures 120, but it should be readily apparent to one skilled in the art that according to difference
Practice demand, meander line structure layer 100 can include any number of meander line structure 120, and this
Line structure 120 can be with any form of array distribution.Meander line structure 120 can be by metal, gold
Belong to the conductive materials such as alloy, ink and quasiconductor to make.Such as, in the case of metal material,
The the first broken line portion 121 and the second broken line portion 122 that constitute meander line structure 120 are rectilinear gold
Belong to bar.Substrate 110 can be made up of composite, such as, and thermosetting or thermoplastic.Should
Composite can be a layer or the multiple structure including fiber, foam and/or honeycomb, and can
Containing at least one in reinforcing material, such as fiber, fabric or particle.Meander line structure 120
Can by etch, electroplate, carve, be deposited with, sputter, silk-screen, brill quarter, photoetching, electronics quarter
Or the technique such as ion quarter is attached on substrate 110 form meander line structure 120.
As it is shown in figure 1, a length of a in the first broken line portion 121, the length in the second broken line portion 122
For b, there is certain length difference, i.e. a in the first broken line portion 121 and the second broken line portion 122 > b or
B > a, is a > b shown in Fig. 1.
As in figure 2 it is shown, the Meta Materials 200 that this utility model provides includes three layers of meander line structure layer
100, stacking of aliging between three layers of meander line structure layer 100, such as can be layered in by heat pressing process
Together.Multiple meander line structure 120 it is provided with on the substrate 110 of every layer of meander line structure layer 100, and
The projection of meander line structure 120 corresponding on three layers of meander line structure layer 100 overlaps.Three layers of broken line knot
Substrate 110 material of structure layer 100 identical can also use difference, and concrete material can be as required
Select.The embodiment for three one-tenth meander line structure layers 100 shown in Fig. 2, but art technology
Personnel are easy to understand, and according to different practice demand, Meta Materials 200 can include any number of folding
Line structure layer 100.
Electromagnetic wave and the first broken line portion 121 and the second angle the most at 45 °, broken line portion 122 by the first folding
The crossing end-fire in line portion 121 and the second broken line portion 122 enters the meander line structure 120 on Meta Materials 200
On, former electromagnetic wave is divided into two components.And first broken line portion 121 and the second broken line portion 122
Length difference can affect the result of polarization of ele conversion.
Below by specific embodiment, polarization of electromagnetic wave is carried out by this utility model Meta Materials 200
It is discussed in detail:
Embodiment one:
In the present embodiment, polarizer is a polarized rotation device.Incident electromagnetic wave is linear polarization
Ripple, the first broken line portion 121 and the second broken line portion 122 be rectilinear structure, both connect after shape
It is the fold-line-shaped micro structure of 90 ° in an angle.Polarization of electromagnetic wave direction and the first broken line portion
121 and second broken line portion 122 the most at 45 °, electromagnetic wave injects the meander line structure on Meta Materials 200
It is broken down into along the first broken line portion 121 and two components in the second broken line portion 122 on 120, two
The initial phase of component is equal.When length a in the first broken line portion 121 and the second broken line portion 122
When the difference of length b is equal to the odd-multiple of the 1/2 of former electromagnetic wave effective wavelength, two of electromagnetic wave
Component phase difference becomes 180 °, the polarised direction half-twist of composite wave i.e., by micro structure simultaneously
Achieve the separation of polarization and the control of phase contrast, thus be directly realized by the rotation of polarised direction.
Embodiment two:
In the present embodiment, polarizer is that a linear polarization turns circular polarisation device.Incident electromagnetic wave is
Line polarization wave, the first broken line portion 121 and the second broken line portion 122 are rectilinear structure, Liang Zhexiang
Connecing rear shape is the fold-line-shaped micro structure of 90 ° in an angle.Polarization of electromagnetic wave direction and the first folding
Line portion 121 and the second broken line portion 122 are the most at 45 °, and electromagnetic wave injects the broken line on Meta Materials 200
It is broken down into along the first broken line portion 121 and two components in the second broken line portion 122 in structure 120,
The initial phase of two components is equal.Length a and the second broken line portion 122 when the first broken line portion 121
Length b difference equal to former electromagnetic wave effective wavelength 1/4 odd-multiple time, the two of electromagnetic wave
Individual component phase difference is in 90 °, and composite wave presents circular polarization characteristics.
It is to need to realize pole by certain thickness parallel-plate that general linear polarization turns the device of circular polarisation
The separation changed and the adjustment of phase contrast, could realize the output of circular polarisation.And the present embodiment passes through
The different structure in two broken line portions of metal micro structure, it is achieved different polarization response so that incidence wave
Polarization produce adjust, finally realize the output of circular polarisation.Owing to the thickness of metal micro structure is than flat
Andante is much smaller, and the thickness making the present embodiment polarizer is less.
Embodiment three:
In the present embodiment, polarizer is that a circular polarisation turns linear polarization device.Incident electromagnetic wave is
Circularly polarised wave, the first broken line portion 121 and the second broken line portion 122 are rectilinear structure, Liang Zhexiang
Connecing rear shape is the fold-line-shaped micro structure of 90 ° in an angle.Electromagnetic wave is injected on Meta Materials 200
It is broken down on meander line structure 120 along the first broken line portion 121 and two points of the second broken line portion 122
Amount, the initial phase of two components differs 90 °.Length a and second when the first broken line portion 121
When the difference of length b in broken line portion 122 is equal to the odd-multiple of the 1/4 of former electromagnetic wave effective wavelength,
Two component phase differences become 0 ° or 180 °, and circularly polarised wave is converted to line polarization wave.
The Meta Materials 200 that this utility model provides is tied by arranging broken line on meander line structure layer 100
Structure 120 realizes polarization of electromagnetic wave by meander line structure 120 and changes.And, can be according to former polarization
The wavelength of ripple determines the length difference between the first broken line portion 121 and the second broken line portion 122, and leads to
Cross the control to electromagnetic wave conversion results of the relational implementation between length difference and wavelength.
Another aspect of the present utility model provides a kind of polarizer, and this utility model polarizer is by above-mentioned
Meta Materials 200 is constituted, the polarizer constituted compared to traditional Meta Materials, and this utility model provides
Polarizer have the advantages that thickness is little, conversion efficiency is high.
In specific implementation process, the polarizer in such scheme may be used for aircraft, motor vehicles
Or in the antenna on ship.
It should be noted that, in this article, the relational terms of such as first and second or the like is only
It is used for separating an entity or operation with another entity or operating space, and not necessarily requires
Or imply relation or the order that there is any this reality between these entities or operation.And,
Term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability,
So that include that the process of a series of key element, method, article or equipment not only include that those are wanted
Element, but also include other key elements being not expressly set out, or also include for this process,
The key element that method, article or equipment are intrinsic.In the case of there is no more restriction, by statement
The key element that " including one ... " limits, it is not excluded that include the process of described key element, method,
Article or equipment there is also other identical element.
Last it is noted that obvious, above-described embodiment is only new for clearly demonstrating this practicality
Type example, and not restriction to embodiment.Ordinary skill people for art
For Yuan, can also make other changes in different forms on the basis of the above description.
Here without also cannot all of embodiment be given exhaustive.And thus amplified out aobvious and easy
The change seen or variation still in protection domain of the present utility model among.
Claims (13)
1. a Meta Materials, it is characterised in that include at least one of which meander line structure layer, described broken line
Structure sheaf includes substrate and arranges at least one meander line structure on the substrate, and described broken line is tied
Structure includes the first broken line portion and the second broken line portion, first end in the first broken line portion and the second broken line portion
First end connects, and the first broken line portion and the second broken line portion exist length difference, described first broken line portion and
Second broken line portion angle in 90 °.
Meta Materials the most according to claim 1, it is characterised in that include many on described substrate
Individual broken line portion, multiple described broken line portions become array distribution.
Meta Materials the most according to claim 1, it is characterised in that described first broken line portion with
The length difference in the second broken line portion is the odd-multiple of incident electromagnetic wave 1/2 or 1/4 wavelength.
Meta Materials the most according to claim 1, it is characterised in that described meander line structure is by leading
Electric material is made.
Meta Materials the most according to claim 4, it is characterised in that conductive material is metal list
Matter, metal alloy, ink or quasiconductor.
Meta Materials the most according to claim 1, it is characterised in that described substrate is by composite wood
Material is made.
Meta Materials the most according to claim 6, it is characterised in that composite include fiber,
Foam and/or one layer of honeycomb or multiple structure.
Meta Materials the most according to claim 1, it is characterised in that described meander line structure layer sets
It is equipped with three layers, stacking of aliging between three layers of meander line structure layer.
Meta Materials the most according to claim 8, it is characterised in that three layers of meander line structure layer lead to
Cross hot pressing process layer to stack.
10. a polarizer, it is characterised in that include according to any one of claim 1-9
Meta Materials.
11. polarizers according to claim 10, it is characterised in that incident electromagnetic wave is line
Polarized wave, on described Meta Materials, the first broken line portion of meander line structure with the length difference in the second broken line portion is
The odd-multiple of incident electromagnetic wave 1/2 wavelength, the polarised direction of composite wave is relative to the pole of incident electromagnetic wave
Change direction half-twist.
12. polarizers according to claim 10, it is characterised in that incident electromagnetic wave is line
Polarized wave, on described Meta Materials, the first broken line portion of meander line structure with the length difference in the second broken line portion is
The odd-multiple of incident electromagnetic wave 1/4 wavelength, composite wave is circularly polarised wave.
13. polarizers according to claim 10, it is characterised in that incident electromagnetic wave is circle
Polarized wave, on described Meta Materials, the first broken line portion of meander line structure with the length difference in the second broken line portion is
The odd-multiple of incident electromagnetic wave 1/2 wavelength, circularly polarised wave is converted to line polarization wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620268301.7U CN205509018U (en) | 2016-03-31 | 2016-03-31 | Super material and polarizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620268301.7U CN205509018U (en) | 2016-03-31 | 2016-03-31 | Super material and polarizer |
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| Publication Number | Publication Date |
|---|---|
| CN205509018U true CN205509018U (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620268301.7U Expired - Fee Related CN205509018U (en) | 2016-03-31 | 2016-03-31 | Super material and polarizer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846109A (en) * | 2016-03-31 | 2016-08-10 | 深圳超级数据链技术有限公司 | Metamaterial and polarizer |
| CN109149120A (en) * | 2018-08-30 | 2019-01-04 | 南京信息工程大学 | A kind of any polarisation angles deflector of line polarization wave |
| CN110034411A (en) * | 2018-01-11 | 2019-07-19 | 航天特种材料及工艺技术研究所 | A kind of metamaterial structure and the cover wall structure with it |
| CN111200189A (en) * | 2018-11-16 | 2020-05-26 | 中国科学技术大学 | Electromagnetic wave polarization state conversion system and method |
-
2016
- 2016-03-31 CN CN201620268301.7U patent/CN205509018U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846109A (en) * | 2016-03-31 | 2016-08-10 | 深圳超级数据链技术有限公司 | Metamaterial and polarizer |
| CN105846109B (en) * | 2016-03-31 | 2019-02-26 | 深圳超级数据链技术有限公司 | A kind of Meta Materials and polarizer |
| CN110034411A (en) * | 2018-01-11 | 2019-07-19 | 航天特种材料及工艺技术研究所 | A kind of metamaterial structure and the cover wall structure with it |
| CN109149120A (en) * | 2018-08-30 | 2019-01-04 | 南京信息工程大学 | A kind of any polarisation angles deflector of line polarization wave |
| CN109149120B (en) * | 2018-08-30 | 2024-01-30 | 南京信息工程大学 | Arbitrary polarization angle deflector for linear polarized wave |
| CN111200189A (en) * | 2018-11-16 | 2020-05-26 | 中国科学技术大学 | Electromagnetic wave polarization state conversion system and method |
| CN111200189B (en) * | 2018-11-16 | 2021-04-23 | 中国科学技术大学 | Electromagnetic wave polarization state conversion system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190826 Address after: 518057 2nd Floor, No. 9 Software Building, Zhongxin Road, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Guangqi Hezhong Technology Co., Ltd. Address before: Bantian street Longgang District of Shenzhen City, Guangdong province 518000 Jihua Road, the new world Huasai Industrial Area No. 2, building 101 (two floor) 201 Patentee before: SHENZHEN CHAOJI DATA CHAIN TECHNOLOGY CO., LTD. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20210331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |