CN106469856A - A kind of Meta Materials - Google Patents
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- CN106469856A CN106469856A CN201510514714.9A CN201510514714A CN106469856A CN 106469856 A CN106469856 A CN 106469856A CN 201510514714 A CN201510514714 A CN 201510514714A CN 106469856 A CN106469856 A CN 106469856A
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- 239000000463 material Substances 0.000 title claims abstract description 111
- 239000010410 layer Substances 0.000 claims abstract description 74
- 239000000758 substrate Substances 0.000 claims abstract description 52
- 239000002356 single layer Substances 0.000 claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 238000003475 lamination Methods 0.000 claims description 8
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
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Abstract
The invention provides a kind of Meta Materials, including monolayer metamaterial layer, at least one through hole unit that monolayer metamaterial layer includes medium substrate, the conductive geometry layer being attached in medium substrate and penetrates conductive geometry layer setting, through hole unit includes the various sizes of two pairs of through holes in planar direction laid out in parallel, and the center of each through hole is equidistant arrangement.The Meta Materials that the present invention provides are superimposed to adjust micro structure structural parameters by the coupling of different micro structures, realize multi-resonant or wide resonance with this in the range of Terahertz；Simultaneously, the Meta Materials that monolayer metamaterial layer is constituted have advantage lightweight, cheap, easy to process, compare the design of multilayer material, can be cost-effective, thus efficiently solving the processing difficulties of THz devices of the prior art, problem with high costs, more has actual application value.
Description
Technical field
The present invention relates to electromagnetic communication field, more particularly, to a kind of Meta Materials.
Background technology
Terahertz wave band (Terahertz, THz), refers to that frequency is located at the electricity in the range of 0.1THz-10THz
Magnetic wave, its wavelength covers 3mm-30 μm, is also known as THz radiation, submillimeter wave or T ray.
Terahertz be in electromagnetic spectrum millimeter wave and infrared between, with respect to this two wave bands, Terahertz Technology
Development only has the twenty or thirty year, and theoretical and application relatively lags behind, and in electromagnetic spectrum, is also known as " too
Hertz space ".Terahertz Technology can give communication, astronomical observation, radar detection, public safety, medical science
The fields such as imaging, genetic test bring important technology to reform, and receive the pole of scientific circles and industrial circle in recent years
Big concern.
Terahertz Technology is now subjected to the restriction of Terahertz occurring source, detector and functional device, not yet
To large-scale application.Because Terahertz wavelength is very short, will for leading to its device size relative microwave device
Much smaller, it is the magnitude of a few percent of microwave device, therefore device fabrication is difficult, with high costs.At present
Most of THz devices are all to be obtained using photoetching method, and exemplar size is little, and yield rate is not high, greatly make
The about research of Terahertz Technology and application.
For the problem in correlation technique, effective solution is not yet proposed at present.
Content of the invention
For the processing difficulties of THz devices of the prior art, problem with high costs, the present invention carries
A kind of Meta Materials including monolayer metamaterial layer are supplied.
The present invention provide Meta Materials include monolayer metamaterial layer, monolayer metamaterial layer include medium substrate,
The conductive geometry layer that is attached in medium substrate and penetrate conductive geometry layer and arrange at least
One through hole unit, through hole unit includes various sizes of two right in planar direction laid out in parallel
Through hole, and the center of each through hole is equidistant arrangement.
In above-mentioned Meta Materials, through hole is various sizes of two pairs of square holes.
In above-mentioned Meta Materials, the span of the length of two pairs of square holes be respectively 240 μm～360 μm and
160 μm～240 μm, the wide span of two pairs of square holes is 40 μm～60 μm.
In above-mentioned Meta Materials, through hole is various sizes of two pairs of circular holes.
In above-mentioned Meta Materials, the span of the radius of two pairs of circular holes be respectively 120 μm～180 μm with
And 20 μm～30 μm.
In above-mentioned Meta Materials, through hole includes a pair of circular hole and a pair of square hole.
In above-mentioned Meta Materials, the span of the through hole radius of circular hole is 20 μm～30 μm, square hole
Long span is that the wide span of 240 μm～360 μm and square hole is 60 μm～240 μm.
In above-mentioned Meta Materials, by the conductive geometry of each through hole unit and through hole unit place
The part of layer is defined as a conductive geometry unit, and the structural cycle of conductive geometry unit is
Lx=Ly, and the span of Lx and Ly is 640～960 μm.
In above-mentioned Meta Materials, the area of conductive geometry layer accounts for the area of medium substrate
5%～30%.
In above-mentioned Meta Materials, the area of conductive geometry layer accounts for the 22.69% of the area of medium substrate.
In above-mentioned Meta Materials, the thickness of conductive geometry layer is 6 μm to 25 μm.
In above-mentioned Meta Materials, the thickness of conductive geometry layer is 18 μm.
In above-mentioned Meta Materials, the thickness of dielectric substrate is 6 μm to 75 μm.
In above-mentioned Meta Materials, the thickness of dielectric substrate is 40 μm.
In above-mentioned Meta Materials, conductive geometry layer is attached in medium substrate by vacuum lamination.
In above-mentioned Meta Materials, conductive geometry layer is made up of electromagnetic consumable material.
In above-mentioned Meta Materials, electromagnetic consumable material includes ferrite.
In above-mentioned Meta Materials, the material of dielectric substrate is made up of carbon.
In above-mentioned Meta Materials, dielectric substrate is the dielectric substrate that flame resistant material grade is FR4.
In above-mentioned Meta Materials, the span of the dielectric constant of dielectric substrate is 3.2～5.2, and loss is just
The span cut is 0.0032～0.0048.
The Meta Materials that the present invention provides are that had using various sizes of on same layer electromagnetic consumable material
Electromagnetism consumes the micro structure of material, is superimposed to adjust micro structure structural parameters by the coupling of different micro structures,
Multi-resonant or wide resonance are realized in the range of Terahertz with this.Meanwhile, the super material that monolayer metamaterial layer is constituted
Material has advantage lightweight, cheap, easy to process, compares the design of multilayer material, can save
Cost, thus efficiently solving the processing difficulties of THz devices of the prior art, with high costs
Problem, more has actual application value.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
Example in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description are only
Some embodiments of the present invention, for those of ordinary skill in the art, are not paying creative work
Under the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Figure 1A is to be monolayer mixed type electromagnetic consumable material square hole according to the Meta Materials of embodiments of the invention 1
The structural representation of material；
Figure 1B is the sectional view that the Meta Materials in Figure 1A obtain along the straight line through square hole.
Fig. 2A is to be monolayer mixed type electromagnetic consumable material circular hole according to the Meta Materials of embodiments of the invention 2
The structural representation of material；
Fig. 2 B is the sectional view that the Meta Materials in Fig. 2A obtain along the straight line through circular hole.
Fig. 3 A is to be monolayer mixed type electromagnetic consumable material circular hole according to the Meta Materials of embodiments of the invention 2
The structural representation of square hole bond material；
Fig. 3 B is the sectional view that the Meta Materials in Fig. 3 A obtain along the straight line through square hole.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by it is clear that described embodiment is only a part of embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art obtained all its
His embodiment, broadly falls into the scope of protection of the invention.
The invention provides a kind of Meta Materials, including monolayer metamaterial layer, this monolayer metamaterial layer includes medium
Substrate, the conductive geometry layer being attached in medium substrate and penetrate conductive geometry layer and arrange extremely
A few through hole unit, this through hole unit is included various sizes of the two of planar direction laid out in parallel
To through hole, and the center of each described through hole be equidistant arrange, that is, four through holes be in same just
On four square summits.The Meta Materials that the present invention provides are monolayer hybrid architecture electromagnetic consumable type terahertz
Hereby material, combines by using various sizes of conduction geometry, by adjusting conductive geometry ginseng
Number, to realize multi resonant vibration frequency.
In a preferred embodiment, the through hole center of two pairs of through holes is respectively at same foursquare four tops
Point on.In a preferred embodiment, the two pairs of through holes are various sizes of two pairs of square holes of laid out in parallel, and two is right
The span of the length of square hole is respectively 240 μm～360 μm and 160 μm～240 μm, two pairs of square holes
Wide span is 40 μm～60 μm it is preferable that the size of two pairs of square holes is 300 μ m 50 respectively
μm and 50 μm of 200 μ m.In some preferred embodiments, the two pairs of through holes are the different chis of laid out in parallel
Two pairs of very little circular holes, the span of the radius of two pairs of circular holes is 120 μm～180 μm and 20 μm respectively～
30 μm it is preferable that the radius of two pairs of circular holes is 150 μm and 25 μm respectively.Preferably real at other
Apply in example, the two pairs of through holes are a pair of square hole of laid out in parallel and a pair of circular hole, wherein, the through hole half of circular hole
The span in footpath is 20 μm～30 μm, and the span of the length of square hole is 240 μm～360 μm and square hole
Wide span be 60 μm～240 μm, preferably the through hole radius of circular hole is 25 μm, the half of square hole
50 μm of footpath a size of 300 μ m.Wherein, two through holes in each embodiment above-mentioned, in each pair through hole
All it is of the same size.
In a preferred embodiment, the conductive geometry layer each through hole unit and through hole unit being located
Part be defined as a conductive geometry unit, the structural cycle of conductive geometry unit is preferably
Lx=Ly=800 μm.In a preferred embodiment, the dutycycle of conductive geometry layer is 5%～30%,
That is, the area of conductive geometry layer accounts for the 5%～30% of medium substrate area it is preferable that conduction is several
The dutycycle of what structure sheaf is 22.69% so that Meta Materials can preferably realize the regulation to resonance peak.
In a preferred embodiment, the thickness of conductive geometry layer is 6 μm to 25 μm it is preferable that conductive
The thickness of geometry layer is 18 μm so that Meta Materials can preferably realize the regulation to resonance peak.?
In preferred embodiment, the thickness of dielectric substrate is 6 μm to 25 μm it is preferable that the thickness of dielectric substrate
Spend for 20 μm so that Meta Materials can realize electromagnetism modulation function in the range of Terahertz.
In a preferred embodiment, conductive geometry layer is attached in medium substrate by vacuum lamination.
In a preferred embodiment, conductive geometry layer is made up of electromagnetic consumable material, this electromagnetic consumable material bag
Include ferrite.In a preferred embodiment, the material of dielectric substrate is made up of carbon.Dielectric substrate is resistance to combustion
Material rate is FR4 dielectric substrate, in a preferred embodiment, the value of the dielectric constant of dielectric substrate
Scope is 3.2～5.2, and the span of loss tangent is 0.0032～0.0048.
The beneficial effect of the Meta Materials being provided of the present invention is at least that following (1) to (3)：
(1) Meta Materials that the present invention provides are a kind of terahertz wave band monolayer mixed structure materials, it is possible to achieve
The superposition of the resonance peak that different structure produces, spread bandwidth.
(2) Meta Materials that the present invention provides are a kind of impedance materials, can pass through electromagnetic consumable material structure
Type and dutycycle realize the regulation to resonance peak.
(3) Meta Materials that the present invention provides, in 0.1-10THz, obtain electromagnetism modulation function.
Embodiment 1
Figure 1A is to be monolayer mixed type electromagnetic consumable material side according to the Meta Materials of the present invention one specific embodiment
The structural representation of Porous materials, Figure 1B is the section intercepting along the straight line through square hole of this Meta Materials
Figure.As shown in Fig. 1 and Figure 1B, this Meta Materials includes monolayer metamaterial layer, this monolayer metamaterial layer bag
Include：FR4 medium substrate 3, medium substrate thickness d is 20 μm and comprises carbon；Attached by vacuum lamination
The conductive geometry layer 4 in medium substrate 3, conductive geometry layer thickness h is 6 μm, accounts for
Empty ratio is 5%；And penetrate at least one through hole unit that conductive geometry layer 4 is arranged, this through hole
Unit includes various sizes of two pairs of square holes of laid out in parallel, i.e. a pair of first hole 1 and a pair second
Square hole 2, and the center of two pairs of square holes is on same foursquare four summits, i.e. each through hole
Center be equidistant arrange, the size of first hole 1 and second hole 2 is 50 μm of 300 μ m respectively
And 50 μm of 200 μ m, wherein, by the institute of each described through hole unit and described through hole unit place
The part stating conductive geometry layer is defined as a conductive geometry unit, described conduction geometry knot
The structural cycle of structure unit is Lx=Ly=800 μm, and conductive geometry layer is ferritic by including simultaneously
Electromagnetic consumable material is made, and the dielectric constant of this dielectric substrate is 4.3, and loss tangent is 0.004.
Embodiment 2
As shown in Figure 2 A and 2 B, Meta Materials include monolayer metamaterial layer, and this monolayer metamaterial layer includes：
Medium substrate 3, medium substrate thickness d is 75 μm and comprises carbon；Medium is attached to by vacuum lamination
Conductive geometry layer 4 in substrate 3；Conductive geometry layer 4, conductive geometry layer thickness h
For 25 μm, dutycycle is 30%；And penetrate at least one through hole of conductive geometry layer 4 setting
Unit, this through hole unit includes various sizes of two pairs of circular holes of laid out in parallel, i.e. a pair first circles
Hole 5 and a pair second circular holes 6, and the through hole center of two pairs of circular holes be respectively at same foursquare
On four summits, the radius of above-mentioned two pairs of circular holes is 150 μm and 25 μm respectively simultaneously, wherein, leads
The structural cycle of electric geometry unit is Lx=Ly=800mm, and conductive geometry layer is by including simultaneously
Ferritic electromagnetic consumable material is made, and the dielectric constant of this dielectric substrate is 4.3, and loss tangent is
0.004.
Embodiment 3
As shown in Figure 3 A and Figure 3 B, a kind of Meta Materials include monolayer metamaterial layer, this monolayer metamaterial layer
Including：Medium substrate 3, medium substrate thickness d is 50um and comprises carbon；Adhered to by vacuum lamination
Conductive geometry layer 4 in medium substrate 3, conductive geometry layer thickness h is 20 μm, accounts for
Empty ratio is 20%；And penetrate at least one through hole unit that conductive geometry layer 4 is arranged, this through hole
Unit is included in a pair of third hole 7 and a pair the 3rd circular holes 8, and two pairs of through holes of laid out in parallel
The heart is respectively on same foursquare four summits, and the size of third hole 7 is
300 50 μm of μ m, the radius of the 3rd circular hole 8 is 25 μm, wherein, the structure of conductive geometry unit
Cycle is Lx=Ly=800mm, and conductive geometry layer is by including ferritic electromagnetic consumable material simultaneously
Make, the dielectric constant of this dielectric substrate is 4.3, and loss tangent is 0.004.
Embodiment 4
A kind of Meta Materials include monolayer metamaterial layer, and it is 40um and bag that this monolayer metamaterial layer includes thickness
The medium substrate of carbon containing, be attached to by vacuum lamination conductive geometry layer in medium substrate and
Penetration thickness be 18 μm and dutycycle be 22.69% conductive geometry layer setting at least one through hole
Unit, this through hole unit includes various sizes of two pairs of square holes of laid out in parallel, and two lead to through hole
Hole center is respectively on same foursquare four summits, and the size of above-mentioned two pairs of square holes is divided simultaneously
It is not 50 μm of 300 μ m and 50 μm of 200 μ m, wherein, the structural cycle of conductive geometry unit
For Lx=Ly=800mm, conductive geometry layer is made by including ferritic electromagnetic consumable material simultaneously,
The dielectric constant of this dielectric substrate is 4.3, and loss tangent is 0.004.
Embodiment 5
A kind of Meta Materials include monolayer metamaterial layer, and it is 6um and bag that this monolayer metamaterial layer includes thickness
The medium substrate of carbon containing, be attached to by vacuum lamination conductive geometry layer in medium substrate and
Penetration thickness be 20 μm and dutycycle be 22.69% conductive geometry layer setting at least one through hole
Unit, this through hole unit includes various sizes of two pairs of square holes of laid out in parallel, and two lead to through hole
Hole center is respectively on same foursquare four summits, and the size of above-mentioned two pairs of square holes is divided simultaneously
It is not 50 μm of 300 μ m and 50 μm of 200 μ m, wherein, the structural cycle of conductive geometry unit
For Lx=Ly=800mm, conductive geometry layer is made by including ferritic electromagnetic consumable material simultaneously,
The dielectric constant of this dielectric substrate is 4.3, and loss tangent is 0.004.
It will be appreciated by those skilled in the art that the embodiment of the unit of through hole provided by the present invention is not limited to
The combination of cited through hole and size in embodiment.
The Meta Materials of the present invention are that have electromagnetism using various sizes of on same layer electromagnetic consumable material
The micro structure of consume material, is superimposed to adjust micro structure structural parameters by the coupling of different micro structures, with this
Multi-resonant or wide resonance is realized in the range of Terahertz.Meanwhile, the Meta Materials tool that monolayer metamaterial layer is constituted
There is advantage lightweight, cheap, easy to process, compare the design of multilayer material, can be cost-effective,
Thus the exemplar size efficiently solving THz devices of the prior art is little, not high the asking of yield rate
Topic, more has actual application value.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in this
Within bright protection domain.
Claims (20)
1. a kind of Meta Materials are it is characterised in that described Meta Materials include monolayer metamaterial layer, described list
Layer metamaterial layer include medium substrate, the conductive geometry layer being attached in described medium substrate and
Penetrate at least one through hole unit of described conduction geometry layer setting, described through hole unit includes
Various sizes of two pairs of through holes of planar direction laid out in parallel, and the center of each described through hole is
Equidistantly arrange.
2. Meta Materials according to claim 1 are it is characterised in that described through hole is different size
Two pairs of square holes.
3. Meta Materials according to claim 2 are it is characterised in that two to the length of described square hole
Span is respectively 240 μm～360 μm and 160 μm～240 μm, two wide the taking to described square hole
Value scope is 40 μm～60 μm.
4. Meta Materials according to claim 1 are it is characterised in that described through hole is different size
Two pairs of circular holes.
5. Meta Materials according to claim 4 are it is characterised in that two radiuses to described circular hole
Span be respectively 120 μm～180 μm and 20 μm～30 μm.
6. Meta Materials according to claim 1 are it is characterised in that described through hole includes arranging side by side
A pair of square hole of cloth and a pair of circular hole.
7. Meta Materials according to claim 6 are it is characterised in that the through hole radius of described circular hole
Span be 20 μm～30 μm, the span of the length of described square hole be 240 μm～360 μm and
The wide span of described square hole is 60 μm～240 μm.
8. Meta Materials according to claim 1 are it is characterised in that by each described through hole unit
And the part of described conduction geometry layer that described through hole unit is located is defined as a conductive geometry
Construction unit, the structural cycle of described conduction geometry unit is Lx=Ly, and the taking of Lx and Ly
Value scope is 640～960 μm.
9. Meta Materials according to claim 1 it is characterised in that described conduction geometry layer
Area account for described medium substrate area 5%～30%.
10. Meta Materials according to claim 9 it is characterised in that described conduction geometry
The area of layer accounts for the 22.69% of the area of described medium substrate.
11. Meta Materials according to claim 1 it is characterised in that described conduction geometry
The thickness of layer is 6 μm to 25 μm.
12. Meta Materials according to claim 11 it is characterised in that described conduction geometry
The thickness of layer is 18 μm.
13. Meta Materials according to claim 1 are it is characterised in that the thickness of described dielectric substrate
Spend for 6 μm to 75 μm.
14. Meta Materials according to claim 13 are it is characterised in that the thickness of described dielectric substrate
Spend for 40 μm.
15. Meta Materials according to claim 1 it is characterised in that described conduction geometry layer
It is attached in described medium substrate by vacuum lamination.
16. Meta Materials according to claim 1 it is characterised in that described conduction geometry layer
It is made up of electromagnetic consumable material.
17. Meta Materials according to claim 16 are it is characterised in that described electromagnetic consumable material
Including ferrite.
18. Meta Materials according to claim 1 are it is characterised in that the material of described dielectric substrate
Material is made up of carbon.
19. Meta Materials according to claim 1 are it is characterised in that described dielectric substrate is resistance to
Combustible material grade is the dielectric substrate of FR4.
20. Meta Materials according to claim 19, the value of the dielectric constant of described dielectric substrate
Scope is 3.2～5.2, and the span of loss tangent is 0.0032～0.0048.
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| CN201510514714.9A CN106469856B (en) | 2015-08-20 | 2015-08-20 | Metamaterial |
| PCT/CN2016/095806 WO2017028795A1 (en) | 2015-08-20 | 2016-08-18 | Metamaterial |
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| CN201510514714.9A CN106469856B (en) | 2015-08-20 | 2015-08-20 | Metamaterial |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108897087A (en) * | 2018-06-13 | 2018-11-27 | 电子科技大学中山学院 | Nano structure capable of improving asymmetric transmission and preparation method thereof |
| CN109888480A (en) * | 2018-10-11 | 2019-06-14 | 南京理工大学 | The super skin antenna of broadband multi-resonant based on aperiodic side's ring structure |
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| CN103268985A (en) * | 2013-04-24 | 2013-08-28 | 同济大学 | Electromagnetic wave beam regulating and controlling device |
| CN104638376A (en) * | 2015-02-03 | 2015-05-20 | 北京邮电大学 | Metamaterial structural body for realizing magnetic field adjustment of dielectric constant and structural body design method thereof |
| CN204885448U (en) * | 2015-08-20 | 2015-12-16 | 深圳光启高等理工研究院 | Super material |
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| CN202496171U (en) * | 2012-01-10 | 2012-10-17 | 3M创新有限公司 | Drilled sintered ferrite sheet, antenna isolation body and antenna module |
| CN102593596B (en) * | 2012-02-29 | 2015-04-22 | 深圳光启高等理工研究院 | Negative magnetic permeability metamaterial |
| US20140266967A1 (en) * | 2013-03-15 | 2014-09-18 | Omar Ramahi | Metamaterial Particles for Electromagnetic Energy Harvesting |
| CN104764711B (en) * | 2015-04-17 | 2018-02-06 | 中国科学院重庆绿色智能技术研究院 | Terahertz Meta Materials bio-sensing chip and its method of testing |
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| CN103268985A (en) * | 2013-04-24 | 2013-08-28 | 同济大学 | Electromagnetic wave beam regulating and controlling device |
| CN104638376A (en) * | 2015-02-03 | 2015-05-20 | 北京邮电大学 | Metamaterial structural body for realizing magnetic field adjustment of dielectric constant and structural body design method thereof |
| CN204885448U (en) * | 2015-08-20 | 2015-12-16 | 深圳光启高等理工研究院 | Super material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108897087A (en) * | 2018-06-13 | 2018-11-27 | 电子科技大学中山学院 | Nano structure capable of improving asymmetric transmission and preparation method thereof |
| CN108897087B (en) * | 2018-06-13 | 2019-08-23 | 电子科技大学中山学院 | Nano structure capable of improving asymmetric transmission and preparation method thereof |
| CN109888480A (en) * | 2018-10-11 | 2019-06-14 | 南京理工大学 | The super skin antenna of broadband multi-resonant based on aperiodic side's ring structure |
| CN109888480B (en) * | 2018-10-11 | 2020-12-25 | 南京理工大学 | Broadband multi-resonance super-surface antenna based on non-periodic square ring structure |
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| Publication number | Publication date |
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| WO2017028795A1 (en) | 2017-02-23 |
| CN106469856B (en) | 2024-01-19 |
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