CN103762416B - A kind of Terahertz wave plate load-waveguide-loudspeaker converting antenna - Google Patents
A kind of Terahertz wave plate load-waveguide-loudspeaker converting antenna Download PDFInfo
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- CN103762416B CN103762416B CN201410064614.6A CN201410064614A CN103762416B CN 103762416 B CN103762416 B CN 103762416B CN 201410064614 A CN201410064614 A CN 201410064614A CN 103762416 B CN103762416 B CN 103762416B
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Abstract
The invention discloses a kind of Terahertz wave plate carrier wave and lead loudspeaker converting antenna, carry antenna, sheet load antenna wave guide transitional cavity, rectangular waveguide and radiation side's electromagnetic horn including the most end to end dielectric resonator with slide glass.Wherein, dielectric resonator carries antenna with slide glass and includes that interconnective dielectric resonator and sheet carry antenna, and this sheet carries antenna and is connected with sheet load antenna wave guide transitional cavity, and dielectric resonator is usually placed in sheet and carries on the radiation patch of antenna.The present invention designs ingenious, by this kind of structure, loss and uncertainty that in Terahertz system, each functional module electric interconnection brings can be effectively prevented from, the antenna gain of present configuration is greatly improved simultaneously, its gain has exceeded 24dB after tested, is fully able to meet the various occasion (such as Terahertz radar, communication etc.) high to antenna gain requirement.
Description
Technical field
The invention belongs to electronics, millimeter wave, Terahertz (100GHz～10THz) technical field, relate to one
Plant antenna, specifically, relate to a kind of Terahertz wave plate load-waveguide-loudspeaker converting antenna.
Background technology
In recent years, the research of THz wave worldwide has been a great concern, and develops electromagnetic spectrum
In the technology of last wave band being not yet used widely become more and more important.Meanwhile, along with integrated
The development of circuit, Terahertz transmitting-receiving subassembly is integrated in small chip top becomes reality.
Antenna, as first element and last element of transmitting terminal of receiving terminal, it is necessary to circuit
Being connected, therefore to ensure maximum power transfer, impedance matching is requisite link.Additionally, by
Being to realize on conventional PCB in antenna, gold wire bonding is used for connecting them to integrated circuit, can be greatly
Impact coupling, especially in the frequency range that Terahertz is the highest, because these bonding lines are generally of uncertainty,
It cannot be guaranteed that it is repeatable.By contrast, sheet carries antenna can be the most integrated with front stage circuits, alleviates
State problem.
But, in existing semiconductor technology, substrate typically has relatively low resistivity (usual 10 Ω cm),
The energy of it alignment space radiation is more by the low resistance path of substrate, thus causes gain to decline.With
Time, substrate is generally also provided with high-k (ε r=11.9), causes the radiant power of antenna to be limited in lining
Limit, inside story rather than be radiated free space, reduce further radiation efficiency.
And, sheet carries antenna and is limited to swept area and radiation efficiency, and its gain is often in one very
Low level (typically smaller than 0dB), it is impossible to satisfied (such as frequency modulation is continuous to the antenna gain high occasion of requirement
Ripple radar, usually requires that antenna gain is higher than 20dB).
Summary of the invention
For above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of Terahertz wave plate load-waveguide-
Loudspeaker converting antenna, antenna net sectional area is little, antenna efficiency is low to solve sheet load in prior art, causes sky
The problem that line gain is low so that the occasion high to antenna gain requirement cannot be applied to.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of Terahertz wave plate load-waveguide-loudspeaker converting antenna, adds including the most end to end dielectric resonator
Slide glass carries antenna, sheet carries antenna-waveguide transition cavity, rectangular waveguide and radiation side's electromagnetic horn.
Further, described dielectric resonator includes interconnective dielectric resonator and sheet with slide glass load antenna
Carrying antenna, wherein sheet load antenna is connected with sheet load antenna-waveguide transition cavity.
Specifically, described load antenna is that linear polarization sheet carries antenna.As preferably, described linear polarization sheet carries
Antenna is rectangular patch antenna or sheet load element antenna, or the linear polarized antenna of other forms.
The a length of 0.5-0.7 λ of described dielectric resonator, width is 0.5 λ, and thickness is less than 0.2 λ, wherein
λ is electromagnetic wave operation wavelength in dielectric resonator.It is usually placed in sheet and carries on the radiation patch of antenna.
Described load antenna-waveguide transition cavity is square horn shape cavity, and its big end back-off carries on antenna in sheet,
Its small end is connected to rectangular waveguide, and makes the narrow limit of rectangular waveguide consistent with the polarised direction that sheet carries antenna, makes
Obtain rectangular waveguide to make in main die worker.This main mould is TE10Mould.
Described radiation side electromagnetic horn is square horn antenna, and its small end is connected to rectangular waveguide.
In order to the present invention is better achieved, described rectangular waveguide carries antenna-waveguide transition cavity, radiation side with sheet
The connection corner of electromagnetic horn all uses quarter turn transition.
Compared with prior art, the method have the advantages that
The present invention designs ingenious, by this kind of structure, it is possible to be effectively prevented from each function mould in Terahertz system
Loss that block electric interconnection brings and uncertainty, the antenna gain of present configuration is greatly improved simultaneously, warp
Test its gain and exceeded 24dB, be fully able to meet the various occasion high to antenna gain requirement (such as terahertz
Hereby radar, communication etc.), there is prominent substantive distinguishing features and significantly progress.Further, present configuration letter
Single, with low cost, it is with a wide range of applications.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is that medium resonator of the present invention carries the structural representation of antenna with slide glass.
Fig. 3 is the return loss plot of the present invention-embodiment.
Fig. 4 is the directional diagram of the present invention-embodiment.
In above-mentioned accompanying drawing, component names corresponding to reference is as follows:
1-dielectric resonator carries antenna with slide glass, and 2-sheet carries antenna-waveguide transition cavity, 3-rectangular waveguide, 4-
Radiation side's electromagnetic horn, 5-dielectric resonator, 6-sheet carries antenna.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings, embodiments of the present invention include but
It is not limited to the following example.
Embodiment
As depicted in figs. 1 and 2, this Terahertz wave plate load-waveguide-loudspeaker converting antenna, including head and the tail phase successively
Dielectric resonator even carries antenna 1, sheet load antenna-waveguide transition cavity 2, rectangular waveguide 3 and radiation with slide glass
Side's electromagnetic horn 4.Wherein, dielectric resonator includes interconnective dielectric resonator 5 He with slide glass load antenna
Sheet carries antenna 6, and this sheet carries antenna and is connected with sheet load antenna-waveguide transition cavity, and dielectric resonator is generally put
On the radiation patch that sheet carries antenna.
Specifically, described load antenna is that linear polarization sheet carries antenna.As preferably, described linear polarization sheet carries
Antenna is rectangular patch antenna or sheet load element antenna, or the linear polarized antenna of other forms.
The a length of 0.5-0.7 λ of described dielectric resonator, width is 0.5 λ, and thickness is less than 0.2 λ, wherein
λ is electromagnetic wave operation wavelength in dielectric resonator.
Described load antenna-waveguide transition cavity is square horn shape cavity, and its big end back-off carries on antenna in sheet,
Its small end is connected to rectangular waveguide, and makes the narrow limit of rectangular waveguide consistent with the polarised direction that sheet carries antenna, makes
Obtain rectangular waveguide to make in main die worker.This main mould is TE10Mould.
Described radiation side electromagnetic horn is square horn antenna, and its small end is connected to rectangular waveguide.
Turn round or time its setting direction connected parts direction is inconsistent when existing on rectangular waveguide, this square
The corner of shape waveguide all uses quarter turn transition.
The gain design of the most whole antenna is more than 24dB.
Al is selected as operating frequency, dielectric resonator 5 using 140GHz2O3Ceramic dielectric resonator, size
For 500*600*200um3；Sheet carries antenna 6 and selects back cavity type sheet to carry antenna, by seven layers of metal level
0.13umBiCMOS technique makes, and the thickness of its top metal level is 2～3um, bottom metal level
Thickness is 4～6um, is SiO between top metal level and bottom metal level2The dielectric layer of material, thickness
For 11um, the chip substrate carried is silicon medium, and relative dielectric constant is 12, and resistivity is 10～20 Ω
·cm。
Sheet carries a length of 800um of antenna-waveguide transition cavity 2, and the bore of the end that is connected with sheet load antenna is
1800*2000um2.Rectangular waveguide 3 selects D wave band standard waveguide, a size of 1.7mm*0.83um, and it turns
Crook uses quarter turn transition.The caliber size of radiation side's electromagnetic horn 4 is 2cm*1.8cm, a length of
4.5cm。
As shown in Figure 3 and Figure 4 ,-10dB the bandwidth range of this antenna is 132GHz-145GHz, and gain is
24.4dB, its gain is greatly improved, and is fully able to meet the various occasion high to antenna gain requirement (such as terahertz
Hereby radar, communication etc.).
According to above-described embodiment, the present invention just can be realized well.What deserves to be explained is, based on said structure
On the premise of design, for solving same technical problem, even if some made in the present invention are without substantive
Change or polishing, the essence of the technical scheme used is the most consistent with the present invention, it should also at this
In bright protection domain.
Claims (6)
1. Terahertz wave plate load-waveguide-loudspeaker converting antenna, it is characterised in that include that the most end to end dielectric resonator carries antenna (1) with slide glass, sheet carries antenna-waveguide transition cavity (2), rectangular waveguide (3) and radiation side's electromagnetic horn (4)；Described dielectric resonator carries antenna with slide glass and includes that interconnective dielectric resonator (5) and sheet carry antenna (6), and dielectric resonator is placed in sheet and carries on the radiation patch of antenna, and wherein sheet load antenna is connected with sheet load antenna-waveguide transition cavity；Described load antenna-waveguide transition cavity (2) is square horn shape cavity, its big end back-off carries on antenna in sheet, its small end is connected to rectangular waveguide, and makes the narrow limit of rectangular waveguide cross section consistent with the polarised direction that sheet carries antenna so that rectangular waveguide is made in main die worker.
A kind of Terahertz wave plate load-waveguide-loudspeaker converting antenna the most according to claim 1, it is characterised in that described load antenna (6) is that linear polarization sheet carries antenna.
A kind of Terahertz wave plate load-waveguide-loudspeaker converting antenna the most according to claim 2, it is characterised in that it is rectangular patch antenna or sheet load element antenna that described linear polarization sheet carries antenna.
A kind of Terahertz wave plate load-waveguide-loudspeaker converting antenna the most according to claim 1, it is characterized in that, a length of 0.5-0.7 λ of described dielectric resonator (5), width is 0.5 λ, thickness is less than 0.2 λ, and wherein λ is electromagnetic wave operation wavelength in dielectric resonator.
A kind of Terahertz wave plate load-waveguide-loudspeaker converting antenna the most according to claim 1, it is characterised in that described radiation side electromagnetic horn (4) is square horn antenna, and its small end is connected to rectangular waveguide.
6. according to a kind of Terahertz wave plate load-waveguide-loudspeaker converting antenna described in any one of claim 1 ~ 5, it is characterized in that, described rectangular waveguide (3) and sheet carry antenna-waveguide transition cavity, the connection corner of radiation side's electromagnetic horn all uses quarter turn transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064614.6A CN103762416B (en) | 2014-02-25 | 2014-02-25 | A kind of Terahertz wave plate load-waveguide-loudspeaker converting antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064614.6A CN103762416B (en) | 2014-02-25 | 2014-02-25 | A kind of Terahertz wave plate load-waveguide-loudspeaker converting antenna |
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| Publication Number | Publication Date |
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| CN103762416A CN103762416A (en) | 2014-04-30 |
| CN103762416B true CN103762416B (en) | 2016-12-07 |
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| CN201410064614.6A Expired - Fee Related CN103762416B (en) | 2014-02-25 | 2014-02-25 | A kind of Terahertz wave plate load-waveguide-loudspeaker converting antenna |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051836A (en) * | 2014-06-10 | 2014-09-17 | 首都师范大学 | Terahertz waveguide coupler |
| CN104048814B (en) * | 2014-06-25 | 2016-07-06 | 首都师范大学 | Terahertz waveguide test system |
| CN106654590B (en) * | 2016-12-29 | 2019-07-09 | 中国科学院国家空间科学中心 | A kind of Terahertz antenna for realizing short base line measurement |
| CN207515907U (en) * | 2017-06-28 | 2018-06-19 | 东南大学 | Terahertz transceiving chip, Terahertz transceiver and its imaging detection system |
| CN114503360B (en) * | 2019-10-10 | 2023-11-03 | 罗姆股份有限公司 | Terahertz device |
| DE102020208254A1 (en) | 2020-07-01 | 2022-01-05 | Vega Grieshaber Kg | Horn antenna for a radar module |
| CN112054276B (en) * | 2020-09-27 | 2024-06-14 | 中国工程物理研究院电子工程研究所 | Ridge waveguide-microstrip line transition circuit |
| CN115208451B (en) * | 2022-09-15 | 2022-12-09 | 四川太赫兹通信有限公司 | Terahertz phased array waveguide cavity, communication system and front end |
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|---|---|---|---|---|
| CN102484450A (en) * | 2009-09-07 | 2012-05-30 | 佳能株式会社 | Oscillator having negative resistance element |
| CN202585729U (en) * | 2012-05-09 | 2012-12-05 | 中国计量学院 | Micro-strip patch antenna based on spiral circular seam structure |
| CN103531909A (en) * | 2013-10-16 | 2014-01-22 | 北京理工大学 | Terahertz frequency-scanning H-plane sectoral horn antenna and preparation method thereof under bulk silicon MEMS (micro-electromechanical system) process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3024463A (en) * | 1958-10-16 | 1962-03-06 | Bendix Corp | Feed assembly for circular or linear polarization |
| US4568943A (en) * | 1983-05-31 | 1986-02-04 | Rca Corporation | Antenna feed with mode conversion and polarization conversion means |
| JP5366663B2 (en) * | 2008-07-29 | 2013-12-11 | ローム株式会社 | Terahertz oscillator |
| JP5606061B2 (en) * | 2009-12-25 | 2014-10-15 | キヤノン株式会社 | Oscillating element |
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2014
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102484450A (en) * | 2009-09-07 | 2012-05-30 | 佳能株式会社 | Oscillator having negative resistance element |
| CN202585729U (en) * | 2012-05-09 | 2012-12-05 | 中国计量学院 | Micro-strip patch antenna based on spiral circular seam structure |
| CN103531909A (en) * | 2013-10-16 | 2014-01-22 | 北京理工大学 | Terahertz frequency-scanning H-plane sectoral horn antenna and preparation method thereof under bulk silicon MEMS (micro-electromechanical system) process |
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| CN103762416A (en) | 2014-04-30 |
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Granted publication date: 20161207 Termination date: 20170225 |