CN109361069A - A kind of polarization converter making any direction polarization of ele deflection fixed angle - Google Patents
A kind of polarization converter making any direction polarization of ele deflection fixed angle Download PDFInfo
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- CN109361069A CN109361069A CN201811464861.XA CN201811464861A CN109361069A CN 109361069 A CN109361069 A CN 109361069A CN 201811464861 A CN201811464861 A CN 201811464861A CN 109361069 A CN109361069 A CN 109361069A
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- 230000010287 polarization Effects 0.000 title claims abstract description 69
- 239000002184 metal Substances 0.000 claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000012212 insulator Substances 0.000 claims abstract description 8
- 239000004809 Teflon Substances 0.000 claims abstract description 7
- 229920006362 Teflon® Polymers 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 3
- WESWKIRSMKBCAJ-UHFFFAOYSA-N [F].[Fe] Chemical compound [F].[Fe] WESWKIRSMKBCAJ-UHFFFAOYSA-N 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 238000004891 communication Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- 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
- H01Q15/24—Polarising devices; Polarisation filters
- H01Q15/242—Polarisation converters
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
A kind of polarization converter making any direction polarization of ele deflection fixed angle, the polarization converter is using three-dimensional manual electromagnetic structure, for by any incident direction polarization of electromagnetic wave angular deflection fixed angle, including total resonance array, total resonance array multiplies 20 periodical resonant elements including 20, and each resonant element is regularly arranged along orthogonal direction；Each resonant element includes the first cylinder and the second cylinder, first cylinder includes leading portion, middle section and back segment, leading portion and the L-shaped arrangement in middle section, back segment connects perpendicular to leading portion with the plane where middle section and with the end in middle section, and the first cylinder and the second cylinder sizes are identical and be in symmetry direction arrangement；The insulator Teflon for further including metal grade slab and being filled in metal grade slab, the first cylinder and the second cylinder are distributed in the two sides of metal grade slab, and metal grade slab is run through in middle section；The present invention can be by any direction polarization of ele fixed deflection pi/2-2* φ angle, and structure is simple.
Description
Technical field
The invention belongs to electromagnetic technology fields, and in particular to a kind of that any direction polarization of ele is made to deflect fixed angle
Polarize converter.
Background technique
Manual electromagnetic structure is the artificial structure with special electromagnetic characteristic, is manually tied by the sub-wavelength of geometry in particular
Structure basic unit is aperiodic or periodic arrangement is constituted.At present about the physical characteristic research of manual electromagnetic structure, and its orienting
Radiate the application in the fields such as high performance antenna, electromagnetism stealth, space communication, Detection Techniques and novel terahertz wave band function element
Research starts to become the research hotspot of international physics and electromagnetism educational circles.
Polarization of ele is defined as the motion profile of electric field intensity end spaces, and the control to polarization of ele is electromagnetic wave
The important component of spatial research.Different polarization modes are applied to different occasions.Polarization of electromagnetic wave characteristic is in satellite
Communication, radar receives anti-interference, aerospace, military, fields and the side such as medical treatment and target acquisition, identification, coding, sampling
It is used widely in.
When linear polarised electromagnetic wave is propagated in free space, due to the complexity of space environment, can generate scattering, refraction and
The effects such as diffraction, to change polarization of electromagnetic wave direction.When the polarization direction of polarization of electromagnetic wave direction and receiving antenna not
When consistent, receiving efficiency can be reduced, and when the polarization direction of the two is orthogonal, antenna does not almost receive electromagnetic signal then.It will
Receive polarizations direction deflect into receiving polarization direction, can make antenna have optimum reception efficiency.Traditional polarization
Converter transfer efficiency is low, be only applicable in single electromagnetic wave incident direction, structure is complicated, thickness is thicker, is unable to satisfy present communication
The requirement of system low distortion, wide adaptability, low section reduces the validity and integrated level of communication system, therefore, designs suitable
For any electromagnetic energy incident direction, efficient polarization conversion device ever more important, the present invention utilizes a kind of stereoscopic artificial
A kind of polarization converter has been made in electromagnetic structure, overcomes drawbacks described above well.
Summary of the invention
It is an object of the invention to use stereoscopic artificial electromagnetic structure, proposes and a kind of consolidate any direction polarization of ele
Surely the polarization converter of pi/2-2* φ angle is deflected, compared with traditional polarization converter, structure is simple, adapts to any incident angle
Degree, loss can be ignored, high-efficient；A kind of polarization converter making any direction polarization of ele deflection fixed angle, the pole
Change converter using three-dimensional manual electromagnetic structure, is used for any incident direction polarization of electromagnetic wave angular deflection fixed angles
Degree, including total resonance array, total resonance array multiply 20 periodical resonant elements including 20, and each resonant element is along just
Hand over direction regularly arranged；Each resonant element include the first cylinder and the second cylinder, the first cylinder include leading portion, middle section and after
Metal grade slab is run through in section, leading portion and the L-shaped arrangement in middle section, middle section, and back segment is perpendicular to the plane where leading portion and middle section, back segment
End and middle section end connect, the first cylinder and the second cylinder sizes it is identical and in symmetry direction arrange, the second cylinder
Leading portion is parallel with the vertical edge of metal grade slab, and the back segment of the second cylinder is parallel with the horizontal edge of metal grade slab；It further include metal
Grade slab and the insulator Teflon being filled in metal grade slab, the first cylinder and the second cylinder are distributed in metal grade slab
Metal grade slab is run through in two sides, middle section.
Preferably, first cylinder and the second cylinder are copper material.
Preferably, the radius of the first cylinder and the second cylinder is 0.5mm, and total height is 9.28mm, leading portion and middle section
Size is identical, is 15.05mm.
Preferably, the metal grade slab is copper metal grade slab.
Preferably, the volume of the copper metal grade slab multiplies 23.1mm for 23.1mm and multiplies 2mm.
Preferably, the insulator Teflon relative dielectric constant is 2.1, outer radius 1mm, inside radius 0.5mm, height
Degree is 2mm.
Preferably, the volume of each resonant element multiplies 23.1mm for 23.1mm and multiplies 9.28mm.
Preferably, the Parameter adjustable of each resonant element, resonance frequency and working frequency points are adjustable.
Beneficial effects of the present invention: the present invention is compared with traditional polarization converter, using the artificial electromagnetic of novel form
Structure can be realized the fixed angle polarization rotation to any direction linear polarised electromagnetic wave, and structure is simple and easy to process, passes through
Adjust each parameter size of resonant element, it may be convenient to realize for resonance frequency, the adjusting of working frequency points；In the present invention
Each resonant element, which only takes up 23.1mm and multiplies 23.1mm, multiplies 9.28mm, occupies volume very little, in Modern wireless communication for setting
The requirement compatible degree of standby miniaturization is fine；At central task frequency point 5.8GHz, for the linear polarization electromagnetism of arbitrary polarisation direction
Wave is able to achieve the conversion of the polarization direction higher than 99%, higher than traditional polarization converter, compensates for the conversion of conventional polar converter
Efficiency is lower, disadvantage to each incident angle energy polarization conversion performance difference；The present invention uses Conduction coupling, is a kind of novel
Polarization conversion mode；Resonant element in the present invention is able to carry out cyclic extension, and flexible structure is easy to volume production, has good
Application prospect.
Detailed description of the invention
Fig. 1 is total resonance array structural schematic diagram of the invention；
Fig. 2 is resonant element front schematic view under the present invention；
Fig. 3 is the first cylinder schematic diagram of the invention；
Fig. 4 is for polarization conversion mechanism description figure；
When Fig. 5 is to be in 0 degree, 30 degree, 60 degree and 90 degree of electromagnetic wave incident with X-axis, the return loss characteristic S11 of array；
When Fig. 6 is to be in 0 degree, 30 degree, 60 degree and 90 degree of electromagnetic wave incident with X-axis, the efficiency of array polarization conversion.
1, the first cylinder；2, the second cylinder；3, insulator Teflon；4, metal grade slab；A, resonant element.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of embodiment one kind as shown in figures 1 to 6 to fix the deflection of any direction polarization of ele
The polarization converter of angle, the polarization converter are used for using three-dimensional manual electromagnetic structure by any incident direction electromagnetic wave
Polarisation angles deflect fixed angle, including total resonance array, total resonance array includes 20 multiplying 20 periodical resonance lists
First A, each resonant element A is regularly arranged along orthogonal direction, and the volume of each resonant element A multiplies 23.1mm for 23.1mm and multiplies
9.28mm, the Parameter adjustable of each resonant element A, resonance frequency and working frequency points are adjustable；Each resonant element A includes the
One cylinder 1 and the second cylinder 2, described the first cylinder 1 and the second cylinder 2 are copper material, the first cylinder 1 include leading portion, in
Metal grade slab 4 is run through in section and back segment, leading portion and the L-shaped arrangement in middle section, middle section, and back segment is perpendicular to flat where leading portion and middle section
Face, the end of back segment and the end in middle section connect, and the first cylinder 1 and the second cylinder 2 size is identical and arranges in symmetry direction, the
The leading portion of two cylinders 2 is parallel with the vertical edge of metal grade slab 4, and the back segment of the second cylinder 2 and the horizontal edge of metal grade slab 4 are flat
Row, the radius of the first cylinder 1 and the second cylinder 2 is 0.5mm, and total height is 9.28mm, and leading portion is identical with middle section size,
For 15.05mm；The insulator Teflon 3 for further including metal grade slab 4 and being filled in metal grade slab 4, the first cylinder 1 and
Two cylinders 2 are distributed in the two sides of metal grade slab 4, and metal grade slab 4 is run through in middle section, and two copper posts can generate high-intensitive surface electricity
Stream, special arranged evenly because of copper post direction, the flow direction of surface current will overleaf change, this make electromagnetic energy from
During structure front is transmitted to the back side, polarization direction completes the angular deflection of pi/2-φ；Metal grade slab 4 is preferably copper
Metal grade slab, the volume of copper metal grade slab multiply 23.1mm for 23.1mm and multiply 2mm, and the insulator Teflon 3 is opposite to be situated between
Electric constant is 2.1, outer radius 1mm, inside radius 0.5mm, is highly 2mm.
Polarization conversion mechanism are as follows: at central task frequency point 5.8GHz, when the linear polarization energy-incident of arbitrary polarisation direction
When to structure front, resonance is generated, high-intensitive surface current is generated in the L-type copper post on structure two sides, and because of the spy in copper post direction
Different arranged evenly, the flow direction of surface current will overleaf change, this makes electromagnetic energy be transmitted to back from structure front
During face, polarization direction completes the angular deflection of pi/2-2* φ.
Now carry out the polarization conversion mechanism that the present invention will be described in detail by taking Fig. 4 as an example, Fig. 4 designates each coordinate under spherical coordinate system
The direction of axis；E indicates the incident electromagnetic wave of 5.8GHz, and it is in any included angle with X-axis that direction, which is-Z axis, at this time array resonance, L
High-intensitive surface current is generated in type structure；Ex indicates that wave along the component of X-axis, completes polarization side by the structure 1 in Fig. 2
To conversion, the component Ex ' after conversion is indicated；Ey indicates that wave along the component of Y-axis, completes polarization side by the structure 2 in Fig. 2
To conversion, the component Ey ' after conversion is indicated；By Ex ' and Ey ' synthesis, wave can be obtained and complete the direction after polarization direction conversion
E ' can clearly have found E and E by Fig. 4 ' it is in pi/2-2* φ angle, the polarization that electromagnetic wave realizes the fixed angle is inclined
Turn.
It is made that in fig. 5 and fig. and any incident direction electromagnetic wave conversion performance is verified, as shown in the figure, each
Under a direction, the return loss S11 of array is identical as transfer efficiency.This demonstrate that the electromagnetic wave incident of any angle is to array
When, polarization direction can deflect pi/2-2* φ, and efficiency is more than 99%.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. a kind of polarization converter for making any direction polarization of ele deflection fixed angle, it is characterised in that: polarization conversion
Device is used for using three-dimensional manual electromagnetic structure by any incident direction polarization of electromagnetic wave angular deflection fixed angle, including
Total resonance array, total resonance array multiply 20 periodical resonant elements (A) including 20, and each resonant element (A) is along just
Hand over direction regularly arranged；Each resonant element (A) includes the first cylinder (1) and the second cylinder (2), before the first cylinder (1) includes
Metal grade slab (4) are run through in section, middle section and back segment, leading portion and the L-shaped arrangement in middle section, middle section, and back segment is perpendicular to leading portion and middle section
The plane at place, the end of back segment and the end in middle section connect, and the first cylinder (1) is identical with the second cylinder (2) size and is in pair
Claim direction arrangement, the leading portion of the second cylinder (2) is parallel with the vertical edge of metal grade slab (4), the back segment and gold of the second cylinder (2)
The horizontal edge of possession substrate (4) is parallel；It further include metal grade slab (4) and the insulator iron fluorine being filled in metal grade slab (4)
Imperial (3), the first cylinder (1) and the second cylinder (2) are distributed in the two sides of metal grade slab (4), and metal grade slab is run through in middle section
(4).
2. the polarization converter according to claim 1 for making any direction polarization of ele deflection fixed angle, feature
Be: first cylinder (1) and the second cylinder (2) are copper material.
3. the polarization converter according to claim 2 for making any direction polarization of ele deflection fixed angle, feature
Be: the radius of the first cylinder (1) and the second cylinder (2) is 0.5mm, and total height is 9.28mm, leading portion and middle section size
It is identical, it is 15.05mm.
4. the polarization converter according to claim 3 for making any direction polarization of ele deflection fixed angle, feature
Be: the metal grade slab (4) is copper metal grade slab.
5. the polarization converter according to claim 4 for making any direction polarization of ele deflection fixed angle, feature
Be: the volume of the copper metal grade slab multiplies 23.1mm for 23.1mm and multiplies 2mm.
6. the polarization converter according to claim 5 for making any direction polarization of ele deflection fixed angle, feature
Be: insulator Teflon (3) relative dielectric constant is 2.1, and outer radius 1mm, inside radius 0.5mm are highly
2mm。
7. the polarization converter according to claim 6 for making any direction polarization of ele deflection fixed angle, feature
Be: the volume of each resonant element (A) multiplies 23.1mm for 23.1mm and multiplies 9.28mm.
8. the polarization converter according to claim 7 for making any direction polarization of ele deflection fixed angle, feature
Be: the Parameter adjustable of each resonant element (A), resonance frequency and working frequency points are adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811464861.XA CN109361069B (en) | 2018-12-03 | 2018-12-03 | Polarization converter for deflecting electromagnetic wave polarization in any direction by fixed angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811464861.XA CN109361069B (en) | 2018-12-03 | 2018-12-03 | Polarization converter for deflecting electromagnetic wave polarization in any direction by fixed angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109361069A true CN109361069A (en) | 2019-02-19 |
| CN109361069B CN109361069B (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811464861.XA Active CN109361069B (en) | 2018-12-03 | 2018-12-03 | Polarization converter for deflecting electromagnetic wave polarization in any direction by fixed angle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045306A (en) * | 2019-04-29 | 2019-07-23 | 杭州电子科技大学 | A kind of Faraday polarization rotation analysis method of multilayer topological insulator |
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| CN109361069B (en) | 2023-12-01 |
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