CN109361067A - A kind of polarization converter turning 90 degrees any direction polarization of ele partially - Google Patents
A kind of polarization converter turning 90 degrees any direction polarization of ele partially Download PDFInfo
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- CN109361067A CN109361067A CN201811464845.0A CN201811464845A CN109361067A CN 109361067 A CN109361067 A CN 109361067A CN 201811464845 A CN201811464845 A CN 201811464845A CN 109361067 A CN109361067 A CN 109361067A
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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
- H01Q15/24—Polarising devices; Polarisation filters
- H01Q15/242—Polarisation converters
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Abstract
A kind of polarization converter turning 90 degrees any direction polarization of ele partially, the resonant element for multiplying 20 periodic arrangements including 20, using three-dimensional manual electromagnetic structure, for by any 90 degree of incident direction polarization of electromagnetic wave angular deflection；Each resonant element includes 4 identical structures but the different cylinder of orientation, metal grade slab and the insulator Teflon being filled in copper base；4 cylinders that root knot structure is identical but orientation is different are respectively the first cylinder, the second cylinder, third cylinder and the 4th cylinder；First cylinder includes two the first L shape cylinders and the second L-type cylinder, direction after the orientation of second cylinder is rotated by 90 ° counterclockwise with the first cylinder is consistent, direction after the orientation of third cylinder is rotated by 90 ° counterclockwise with the second cylinder is consistent, and the direction after the orientation of the 4th cylinder is rotated by 90 ° counterclockwise with third cylinder is consistent；Than traditional polarization converter, structure is simple, adapts to any incident angle degree, loss is small, high-efficient.
Description
Technical field
The invention belongs to electromagnetic technology fields, and in particular to a kind of polarization for turning 90 degrees any direction polarization of ele partially
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, it 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, propose a kind of that any direction polarization of ele is inclined
The polarization converter turning 90 degrees, compared with traditional polarization converter, structure is simple, adapts to any incident angle degree, and loss can be with
Ignore, it is high-efficient；A kind of polarization converter turning 90 degrees any direction polarization of ele partially, including 20 multiply 20 periodically row
The resonant element of column is used for using three-dimensional manual electromagnetic structure by any incident direction polarization of electromagnetic wave angular deflection 90
Degree；Each resonant element includes 4 identical structures but the different cylinder of orientation, metal grade slab and is filled in copper base
Insulator Teflon；4 cylinders that root knot structure is identical but orientation is different are respectively the first cylinder, the second cylinder, third column
Body and the 4th cylinder；First cylinder includes two the first L shape cylinders and the second L-type cylinder, the first L shape cylinder and the second L-type
Cylinder specification is identical, and the first L shape cylinder point perpendicular section and crosspiece, the second L-type cylinder divide leading portion and back segment, and leading portion is connect with crosspiece,
Plane that back segment is formed by perpendicular to perpendicular section and crosspiece and leading portion is simultaneously connect with leading portion；First cylinder, the second cylinder, third
Cylinder and the 4th cylinder are located at the lower right corner, the upper right corner, the upper left corner and the lower left corner of metal grade slab, the row of the second cylinder
Direction after column direction is rotated by 90 ° counterclockwise with the first cylinder is consistent, and the orientation of third cylinder and the second cylinder are counterclockwise
Direction after being rotated by 90 ° is consistent, and the direction after the orientation of the 4th cylinder is rotated by 90 ° counterclockwise with third cylinder is consistent.
Preferably, first cylinder, the second cylinder, third cylinder and the 4th cylinder are copper material.
Preferably, the first cylinder, the second cylinder, third cylinder and the 4th cylinder radius are 0.5mm.
Preferably, total height, that is, direction z height of first cylinder, the second cylinder, third cylinder and the 4th cylinder
Degree is 11.2mm, and it is 11mm that the length that section is erected in each cylinder is identical as the length that crosspiece adds back segment.
Preferably, the metal grade slab is copper metal grade slab, and volume multiplies 20mm for 20mm and multiplies 2mm.
Preferably, the relative dielectric constant 2.1 of the insulator Teflon, outer radius 1mm, inside radius 0.5mm, height
2mm。
Preferably, each resonant element only takes up 20mm and multiplies the volume that 20mm multiplies 11.2mm.
Preferably, the Parameter adjustable section of the 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 90 degree of polarization rotations to any direction linear polarised electromagnetic wave, and structure is simple and easy to process, passes through adjusting
The each parameter size of resonant element, it may be convenient to realize for resonance frequency, the adjusting of working frequency points；Each of present invention
Resonant element, which only takes up 20mm and multiplies 20mm, multiplies 11.2mm, occupies volume very little, in Modern wireless communication for device miniaturization
Requirement compatible degree it is fine；It, can be real for the linear polarised electromagnetic wave of arbitrary polarisation direction at central task frequency point 5.8GHz
Now the polarization direction higher than 99% is converted, higher than traditional polarization converter, compensate for conventional polar converter transfer efficiency compared with
Disadvantage low, to each incident angle energy polarization conversion performance difference；The present invention uses Conduction coupling, is a kind of novel polarization turn
Change 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；11, section is erected；12, crosspiece；13, leading portion；14, back segment；2, the second cylinder；3, third cylinder；4,
Four cylinders；5, insulator Teflon；6, 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 as shown in figures 1 to 6, one kind makes any direction polarization of ele deflect 90
The polarization converter of degree, the resonant element A for multiplying 20 periodic arrangements including 20 are used for using three-dimensional manual electromagnetic structure
By any 90 degree of incident direction polarization of electromagnetic wave angular deflection, each resonant element A, which only takes up 20mm and multiplies 20mm, multiplies 11.2mm
Volume, the Parameter adjustable section of resonant element A, resonance frequency and working frequency points are adjustable；Each resonant element A includes 4
Identical structure but the different cylinder of orientation, metal grade slab 6 and the insulator Teflon 5 being filled in copper base, metal
Grade slab 6 is copper metal grade slab, and volume is that 20mm multiplies 20mm and multiplies 2mm, the relative dielectric constant 2.1 of insulator Teflon 5,
Outer radius 1mm, inside radius 0.5mm, height 2mm；4 root knot structure is identical but orientation is different cylinders be respectively the first cylinder 1,
Second cylinder 2, third cylinder 3 and the 4th cylinder 4, the first cylinder 1, the second cylinder 2, third cylinder 3 and the 4th cylinder 4 are
For copper material, radius is 0.5mm；First cylinder 1 includes two the first L shape cylinders and the second L-type cylinder, the first L shape column
Body and the second L-type cylinder specification are identical, and the first L shape cylinder point perpendicular section 11 and crosspiece 12, the second L-type cylinder divide leading portion 13 and back segment
14, leading portion 13 is connect with crosspiece 12, the plane that back segment 14 is formed by perpendicular to perpendicular section 11 and crosspiece 12 and leading portion 13 and with
Leading portion 13 connects, and the first cylinder 1, the second cylinder 2, total height, that is, direction z height of third cylinder 3 and the 4th cylinder 4 are equal
For 11.2mm, it is 11mm that the length that section is erected in each cylinder is identical as the length that crosspiece adds back segment；First cylinder 1, the second column
Body 2, third cylinder 3 and the 4th cylinder 4 are located at the lower right corner, the upper right corner, the upper left corner and the lower left corner of metal grade slab 6,
Direction after the orientation of second cylinder 2 is rotated by 90 ° counterclockwise with the first cylinder 1 is consistent, the orientation of third cylinder 3
Direction after being rotated by 90 ° counterclockwise with the second cylinder 2 is consistent, and the orientation of the 4th cylinder 4 and third cylinder 3 revolve counterclockwise
Direction after turning 90 degrees is consistent.
Polarization conversion mechanism are as follows: when 5.8GHz, arbitrary polarisation direction linear polarization energy-incident to structure front when, generate
Resonance generates high-intensitive surface current in the L-type copper post on structure two sides, and because of special arranged evenly, the surface electricity in copper post direction
The flow direction of stream will overleaf change, this makes electromagnetic energy during being transmitted to the back side from structure front, polarization side
It is deflected to 90 degree of completion.
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 wave along the component of X-axis, by the first cylinder 1 and third column in Fig. 2
Body 3 is converted to complete polarization direction, and the component Ex ' after conversion is indicated；Ey indicates wave along the component of Y-axis, by the knot in Fig. 2
Structure 2 and 4 is converted to complete polarization direction, and the component Ey ' after conversion is indicated；By Ex ' and Ey ' synthesis, wave can be obtained and complete pole
Direction E ' after changing direction conversion；By Fig. 4, E and E can be clearly found ' in 90 degree of angles, electromagnetic wave realizes 90 degree
Polarization rotation.
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 be turn 90 degrees partially, and orthogonal thereto with incident direction, 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 turning 90 degrees any direction polarization of ele partially, it is characterised in that: multiplied for 20 week including 20
The resonant element (A) of phase property arrangement is used for using three-dimensional manual electromagnetic structure by any incident direction polarization of electromagnetic wave angle
Degree is turn 90 degrees partially；Each resonant element (A) includes 4 identical structures but the different cylinder of orientation, metal grade slab (6) and
The insulator Teflon (5) being filled in copper base；4 cylinders that root knot structure is identical but orientation is different are respectively the first cylinder
(1), the second cylinder (2), third cylinder (3) and the 4th cylinder (4)；First cylinder (1) includes two the first L shape cylinders and the
Two L-type cylinders, the first L shape cylinder and the second L-type cylinder specification are identical, the first L shape cylinder point perpendicular section (11) and crosspiece (12), the
Two L-type cylinders divide leading portion (13) and back segment (14), and leading portion (13) is connect with crosspiece (12), back segment (14) perpendicular to perpendicular section (11) and
Plane that crosspiece (12) and leading portion (13) are formed by simultaneously is connect with leading portion (13)；First cylinder (1), the second cylinder (2),
Three cylinders (3) and the 4th cylinder (4) are located at the lower right corner, the upper right corner, the upper left corner and the lower left corner of metal grade slab (6),
Direction after the orientation of second cylinder (2) is rotated by 90 ° counterclockwise with the first cylinder (1) is consistent, the row of third cylinder (3)
Direction after column direction is rotated by 90 ° counterclockwise with the second cylinder (2) is consistent, the orientation of the 4th cylinder (4) and third cylinder
(3) direction after being rotated by 90 ° counterclockwise is consistent.
2. the polarization converter according to claim 1 for turning 90 degrees any direction polarization of ele partially, it is characterised in that:
First cylinder (1), the second cylinder (2), third cylinder (3) and the 4th cylinder (4) are copper material.
3. the polarization converter according to claim 2 for turning 90 degrees any direction polarization of ele partially, it is characterised in that:
First cylinder (1), the second cylinder (2), third cylinder (3) and the 4th cylinder (4) radius are 0.5mm.
4. the polarization converter according to claim 3 for turning 90 degrees any direction polarization of ele partially, it is characterised in that:
First cylinder (1), the second cylinder (2), total height, that is, direction z height of third cylinder (3) and the 4th cylinder (4) are equal
For 11.2mm, it is 11mm that the length that section is erected in each cylinder is identical as the length that crosspiece adds back segment.
5. the polarization converter according to claim 4 for turning 90 degrees any direction polarization of ele partially, it is characterised in that:
The metal grade slab (6) is copper metal grade slab, and volume multiplies 20mm for 20mm and multiplies 2mm.
6. the polarization converter according to claim 5 for turning 90 degrees any direction polarization of ele partially, it is characterised in that:
The relative dielectric constant 2.1 of the insulator Teflon (5), outer radius 1mm, inside radius 0.5mm, height 2mm.
7. the polarization converter according to claim 6 for turning 90 degrees any direction polarization of ele partially, it is characterised in that:
Each resonant element (A) only takes up 20mm and multiplies the volume that 20mm multiplies 11.2mm.
8. the polarization converter according to claim 7 for turning 90 degrees any direction polarization of ele partially, it is characterised in that:
The Parameter adjustable section of the resonant element (A), resonance frequency and working frequency points are adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811464845.0A CN109361067B (en) | 2018-12-03 | 2018-12-03 | Polarization converter for deflecting electromagnetic wave polarization in any direction by 90 degrees |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811464845.0A CN109361067B (en) | 2018-12-03 | 2018-12-03 | Polarization converter for deflecting electromagnetic wave polarization in any direction by 90 degrees |
Publications (2)
| Publication Number | Publication Date |
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| CN109361067A true CN109361067A (en) | 2019-02-19 |
| CN109361067B CN109361067B (en) | 2023-09-01 |
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| CN201811464845.0A Active CN109361067B (en) | 2018-12-03 | 2018-12-03 | Polarization converter for deflecting electromagnetic wave polarization in any direction by 90 degrees |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742553A (en) * | 2019-02-28 | 2019-05-10 | 齐齐哈尔大学 | A kind of double frequency-band line-circular polarisation converter based on electromagnetic induced transparency effect |
| CN111403921A (en) * | 2019-11-18 | 2020-07-10 | 南京信息工程大学 | Linear polarized wave arbitrary polarization angle converter |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030227417A1 (en) * | 2002-01-17 | 2003-12-11 | English Errol K. | Electromagnetic-field polarization twister |
| CN102769191A (en) * | 2011-04-30 | 2012-11-07 | 深圳光启高等理工研究院 | Metamaterial capable of realizing polarization conversion |
| US20120307361A1 (en) * | 2011-03-15 | 2012-12-06 | Ruopeng Liu | Polarization converter made of meta material |
| US20140009365A1 (en) * | 2012-07-09 | 2014-01-09 | Jasmin ROY | Reciprocal circular polarization selective surfaces and elements thereof |
| CN105470656A (en) * | 2015-12-07 | 2016-04-06 | 复旦大学 | Adjustable linear polarization wave beam separator based on gradient super-surface |
| CN105826693A (en) * | 2016-05-23 | 2016-08-03 | 南京信息工程大学 | Electromagnetic wave polarization converter |
| CN106410421A (en) * | 2016-10-26 | 2017-02-15 | 东南大学 | Space wave-to-surface wave function device with controlled polarization |
| CN106450794A (en) * | 2016-10-26 | 2017-02-22 | 电子科技大学 | Chiral super-surface terahertz reflective 90-degree polarizer |
| CN106486739A (en) * | 2016-11-04 | 2017-03-08 | 华南理工大学 | A kind of dual polarization chipless RFID label antenna based on coaxial straight-flanked ring |
| CN106654597A (en) * | 2016-12-16 | 2017-05-10 | 南京航空航天大学 | Ultra-thin ultra-wideband linearly polarized electromagnetic wave polarization converter |
| CN106953169A (en) * | 2017-04-27 | 2017-07-14 | 南京信息工程大学 | A kind of planar structure electromagnetic wave vertical polarization is to horizontal polarization converter |
| CN107221732A (en) * | 2017-06-28 | 2017-09-29 | 桂林电子科技大学 | A kind of ultra wide band polarization restructural circular polarizer based on black phosphorus |
| CN107257035A (en) * | 2017-07-26 | 2017-10-17 | 西南大学 | Six insensitive frequency band Meta Materials wave-absorbers of a kind of microwave band polarization |
| CN107765450A (en) * | 2017-10-17 | 2018-03-06 | 北京邮电大学 | Broadband Terahertz line polarization wave asymmetric transmission device based on Meta Materials |
| US20180131100A1 (en) * | 2015-08-03 | 2018-05-10 | Zhengbiao OUYANG | Left-handed circular-polarization conversion metamaterial film |
-
2018
- 2018-12-03 CN CN201811464845.0A patent/CN109361067B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030227417A1 (en) * | 2002-01-17 | 2003-12-11 | English Errol K. | Electromagnetic-field polarization twister |
| US20120307361A1 (en) * | 2011-03-15 | 2012-12-06 | Ruopeng Liu | Polarization converter made of meta material |
| CN102769191A (en) * | 2011-04-30 | 2012-11-07 | 深圳光启高等理工研究院 | Metamaterial capable of realizing polarization conversion |
| US20140009365A1 (en) * | 2012-07-09 | 2014-01-09 | Jasmin ROY | Reciprocal circular polarization selective surfaces and elements thereof |
| US20180131100A1 (en) * | 2015-08-03 | 2018-05-10 | Zhengbiao OUYANG | Left-handed circular-polarization conversion metamaterial film |
| CN105470656A (en) * | 2015-12-07 | 2016-04-06 | 复旦大学 | Adjustable linear polarization wave beam separator based on gradient super-surface |
| CN105826693A (en) * | 2016-05-23 | 2016-08-03 | 南京信息工程大学 | Electromagnetic wave polarization converter |
| CN106410421A (en) * | 2016-10-26 | 2017-02-15 | 东南大学 | Space wave-to-surface wave function device with controlled polarization |
| CN106450794A (en) * | 2016-10-26 | 2017-02-22 | 电子科技大学 | Chiral super-surface terahertz reflective 90-degree polarizer |
| CN106486739A (en) * | 2016-11-04 | 2017-03-08 | 华南理工大学 | A kind of dual polarization chipless RFID label antenna based on coaxial straight-flanked ring |
| CN106654597A (en) * | 2016-12-16 | 2017-05-10 | 南京航空航天大学 | Ultra-thin ultra-wideband linearly polarized electromagnetic wave polarization converter |
| CN106953169A (en) * | 2017-04-27 | 2017-07-14 | 南京信息工程大学 | A kind of planar structure electromagnetic wave vertical polarization is to horizontal polarization converter |
| CN107221732A (en) * | 2017-06-28 | 2017-09-29 | 桂林电子科技大学 | A kind of ultra wide band polarization restructural circular polarizer based on black phosphorus |
| CN107257035A (en) * | 2017-07-26 | 2017-10-17 | 西南大学 | Six insensitive frequency band Meta Materials wave-absorbers of a kind of microwave band polarization |
| CN107765450A (en) * | 2017-10-17 | 2018-03-06 | 北京邮电大学 | Broadband Terahertz line polarization wave asymmetric transmission device based on Meta Materials |
Non-Patent Citations (3)
| Title |
|---|
| PENG XU: "An Ultrathin Cross-Polarization Converter With Near Unity Efficiency for Transmitted Waves", 《 IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION 》 * |
| 任宇辉: "一种宽带高效反射型超材料极化旋转器", 《 西安电子科技大学学报》 * |
| 续凯凯: "基于手征超材料的90° THz极化偏转器", 《上海大学学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742553A (en) * | 2019-02-28 | 2019-05-10 | 齐齐哈尔大学 | A kind of double frequency-band line-circular polarisation converter based on electromagnetic induced transparency effect |
| CN109742553B (en) * | 2019-02-28 | 2020-07-31 | 齐齐哈尔大学 | Double-frequency-band linear-circular polarization converter based on electromagnetic induction transparent effect |
| CN111403921A (en) * | 2019-11-18 | 2020-07-10 | 南京信息工程大学 | Linear polarized wave arbitrary polarization angle converter |
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