CN103762416A - Terahertz wave chip-mounted-waveguide-loudspeaker conversion antenna - Google Patents
Terahertz wave chip-mounted-waveguide-loudspeaker conversion antenna Download PDFInfo
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- CN103762416A CN103762416A CN201410064614.6A CN201410064614A CN103762416A CN 103762416 A CN103762416 A CN 103762416A CN 201410064614 A CN201410064614 A CN 201410064614A CN 103762416 A CN103762416 A CN 103762416A
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- antenna
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- loudspeaker
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Abstract
The invention discloses a terahertz wave chip-mounted-waveguide-loudspeaker conversion antenna. The terahertz wave chip-mounted-waveguide-loudspeaker conversion antenna comprises a dielectric resonator loading chip-mounted antenna, a chip-mounted antenna-waveguide transition cavity, a rectangular waveguide and a radiation side loudspeaker antenna. The dielectric resonator loading chip-mounted antenna, the chip-mounted antenna-waveguide transition cavity, the rectangular waveguide and the radiation side loudspeaker antenna are sequentially connected end to end. The dielectric resonator loading chip-mounted antenna comprises a dielectric resonator and a chip-mounted antenna which are mutually connected, the chip-mounted antenna is connected with the chip-mounted antenna-waveguide transition cavity, and the dielectric resonator is generally arranged above a radiation patch of the chip-mounted resonator. The terahertz wave chip-mounted-waveguide-loudspeaker conversion antenna is ingenious in design, through the structure, losses and uncertainty caused by electrical interconnection of function modules in a terahertz system can be effectively avoided, the gains of the antenna are greatly increased, the test shows that the gains of the antenna exceed 24 dB, and therefore the terahertz wave chip-mounted-waveguide-loudspeaker conversion antenna can totally be suitable for occasions (such as terahertz radars and communication) with the high requirements for the gains of the antenna.
Description
Technical field
The invention belongs to electronics, millimeter wave, Terahertz (100GHz ~ 10THz) technical field, relate to a kind of antenna, specifically, relate to carry-waveguide-loudspeaker of a kind of Terahertz wave plate converting antenna.
Background technology
In recent years, the research of THz wave worldwide has been a great concern, and in exploitation electromagnetic spectrum, the technology of last wave band of being not yet used widely becomes more and more important.Meanwhile, along with the development of integrated circuit, above being integrated in to small chip, Terahertz transmitting-receiving subassembly becomes reality.
Antenna, as first element of receiving terminal and last element of transmitting terminal, all must be connected with circuit, therefore in order to guarantee maximum power transfer, and the impedance matching link that is absolutely necessary.In addition, because antenna is that conventional PCB is upper, realize, gold wire bonding, for they are connected to integrated circuit, can greatly affect coupling, especially in the so high frequency range of Terahertz, because these bonding lines have uncertainty conventionally, can not guarantee repeatability.By contrast, sheet carries antenna can be once integrated with front stage circuits, alleviated the problems referred to above.
But in existing semiconductor technology, substrate generally has lower resistivity (common 10 Ω cm), the energy of day alignment space radiation, more by the low resistance path of substrate, declines thereby cause gaining.Meanwhile, substrate also has high-k (ε r=11.9) conventionally, causes the radiant power of antenna to be limited in substrate the inside, rather than is radiated free space, has further reduced radiation efficiency.
And, sheet carries antenna and is limited to swept area and radiation efficiency, it gains often in a low-down level (being conventionally less than 0dB), cannot meet antenna gain is required to high occasion (for example frequency modulated continuous wave radar requires antenna gain conventionally higher than 20dB).
Summary of the invention
For above-mentioned the deficiencies in the prior art, the object of the present invention is to provide carry-waveguide-loudspeaker of a kind of Terahertz wave plate converting antenna, solve in prior art sheet and carry that antenna net sectional area is little, antenna efficiency is low, cause the problem that antenna gain is low, make to be applied to antenna gain is required to high occasion.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of carry-waveguide-loudspeaker of Terahertz wave plate converting antenna, comprise successively end to end dielectric resonator with slide glass carry antenna, sheet carries antenna-waveguide transition cavity, rectangular waveguide and radiation side's horn antenna.
Further, described dielectric resonator carries antenna with slide glass and comprises that interconnective dielectric resonator and sheet carry antenna, and wherein sheet carries antenna and carries antenna-waveguide transition cavity with sheet and be connected.
Specifically, described year antenna is that linear polarization sheet carries antenna.As preferably, it is that rectangular patch antenna or sheet carry element antenna that described linear polarization sheet carries antenna, or other forms of linear polarized antenna.
The length of described dielectric resonator is 0.5-0.7 λ, and width is 0.5 λ, and thickness is less than 0.2 λ, and wherein λ is the operation wavelength of electromagnetic wave in dielectric resonator.It is placed on the radiation patch that sheet carries antenna conventionally.
Described carries antenna-waveguide transition cavity is square horn-like cavity, and its large end back-off carries on antenna in sheet, and its small end is linked to rectangular waveguide, and makes the narrow limit of rectangular waveguide consistent with the polarised direction that sheet carries antenna, and rectangular waveguide is done in main die worker.This main mould is TE
10mould.
Described radiation side horn antenna is square horn antenna, and its small end is linked to rectangular waveguide.
In order to realize better the present invention, described rectangular waveguide all adopts quarter turn transition with the corner that links that sheet carries antenna-waveguide transition cavity, radiation side's horn antenna.
Compared with prior art, the present invention has following beneficial effect:
The present invention designs ingenious, by this kind of structure, can effectively avoid loss and uncertainty that in Terahertz system, each functional module electric interconnection brings, the antenna gain of structure of the present invention improves greatly simultaneously, its gain has exceeded 24dB after tested, can meet completely and various antenna gain be required to high occasion (as Terahertz radar, communication etc.), there is outstanding substantive distinguishing features and significant progressive.And the present invention is simple in structure, with low cost, be with a wide range of applications.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is medium resonator of the present invention carries antenna structural representation 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, the component names that Reference numeral is corresponding is as follows:
1-dielectric resonator carries antenna with slide glass, and 2-sheet carries antenna-waveguide transition cavity, 3-rectangular waveguide, and 4-radiation side horn antenna, 5-dielectric resonator, 6-sheet carries antenna.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
As depicted in figs. 1 and 2, carry-waveguide-loudspeaker of this Terahertz wave plate converting antenna, comprise successively end to end dielectric resonator with slide glass carry antenna 1, sheet carries antenna-waveguide transition cavity 2, rectangular waveguide 3 and radiation side's horn antenna 4.Wherein, dielectric resonator carries antenna with slide glass and comprises that interconnective dielectric resonator 5 and sheet carry antenna 6, and this sheet carries antenna and carries antenna-waveguide transition cavity with sheet and be connected, and dielectric resonator is placed on the radiation patch that sheet carries antenna conventionally.
Specifically, described year antenna is that linear polarization sheet carries antenna.As preferably, it is that rectangular patch antenna or sheet carry element antenna that described linear polarization sheet carries antenna, or other forms of linear polarized antenna.
The length of described dielectric resonator is 0.5-0.7 λ, and width is 0.5 λ, and thickness is less than 0.2 λ, and wherein λ is the operation wavelength of electromagnetic wave in dielectric resonator.
Described carries antenna-waveguide transition cavity is square horn-like cavity, and its large end back-off carries on antenna in sheet, and its small end is linked to rectangular waveguide, and makes the narrow limit of rectangular waveguide consistent with the polarised direction that sheet carries antenna, and rectangular waveguide is done in main die worker.This main mould is TE
10mould.
Described radiation side horn antenna is square horn antenna, and its small end is linked to rectangular waveguide.
When on rectangular waveguide, exist turn round or its setting party when inconsistent with its parts direction linking, the corner of this rectangular waveguide all adopts quarter turn transition.
The gain of whole antenna design exceedes 24dB thus.
Using 140GHz as operating frequency, dielectric resonator 5 is selected Al
2o
3ceramic dielectric resonator, is of a size of 500*600*200um
3; Sheet carries antenna 6 selects back cavity type sheet to carry antenna, by the 0.13umBiCMOS technique of seven layers of metal level, is made, and the thickness of its top layer metallic layer is 2 ~ 3um, and the thickness of bottom metal level is 4 ~ 6um, between top layer metallic layer and bottom metal level, is SiO
2the dielectric layer of material, thickness is 11um, and the chip substrate of carrying is silicon medium, and relative dielectric constant is 12, and resistivity is 10 ~ 20 Ω cm.
The length that sheet carries antenna-waveguide transition cavity 2 is 800um, with sheet carry antenna be connected end bore be 1800*2000um
2.Rectangular waveguide 3 is selected the standard waveguide of D wave band, is of a size of 1.7mm*0.83um, and its corner adopts quarter turn transition.The caliber size of radiation side's horn antenna 4 is 2cm*1.8cm, and length is 4.5cm.
As shown in Figure 3 and Figure 4, this antenna-10dB bandwidth range is 132GHz-145GHz, gains as 24.4dB, its gain improves greatly, can meet various antenna gain is required to high occasion (as Terahertz radar, communication etc.) completely.
According to above-described embodiment, just can realize well the present invention.What deserves to be explained is; under prerequisite based on said structure design, for solving same technical problem, even if some that make in the present invention are without substantial change or polishing; the essence of the technical scheme adopting is still consistent with the present invention, also should be in protection scope of the present invention.
Claims (8)
1. carry-waveguide-loudspeaker of Terahertz wave plate converting antenna, is characterized in that, comprise successively end to end dielectric resonator with slide glass carry antenna (1), sheet carries antenna-waveguide transition cavity (2), rectangular waveguide (3) and radiation side's horn antenna (4).
2. carry-waveguide-loudspeaker of a kind of Terahertz wave plate converting antenna according to claim 1, it is characterized in that, described dielectric resonator carries antenna with slide glass and comprises that interconnective dielectric resonator (5) and sheet carry antenna (6), and wherein sheet carries antenna and carries antenna-waveguide transition cavity with sheet and be connected.
3. carry-waveguide-loudspeaker of a kind of Terahertz wave plate converting antenna according to claim 2, is characterized in that, described carries antenna (6) and carry antenna for linear polarization sheet.
4. carry-waveguide-loudspeaker of a kind of Terahertz wave plate converting antenna according to claim 3, is characterized in that, it is that rectangular patch antenna or sheet carry element antenna that described linear polarization sheet carries antenna.
5. carry-waveguide-loudspeaker of a kind of Terahertz wave plate converting antenna according to claim 2, it is characterized in that, the length of described dielectric resonator (5) is 0.5-0.7 λ, and width is 0.5 λ, thickness is less than 0.2 λ, and wherein λ is the operation wavelength of electromagnetic wave in dielectric resonator.
6. carry-waveguide-loudspeaker of a kind of Terahertz wave plate converting antenna according to claim 2, it is characterized in that, described carries antenna-waveguide transition cavity (2) is square horn-like cavity, its large end back-off carries on antenna in sheet, its small end is linked to rectangular waveguide, and make the narrow limit of rectangular waveguide consistent with the polarised direction that sheet carries antenna, rectangular waveguide is done in main die worker.
7. carry-waveguide-loudspeaker of a kind of Terahertz wave plate converting antenna according to claim 2, is characterized in that, described radiation side horn antenna (4) is square horn antenna, and its small end is linked to rectangular waveguide.
8. according to carry-waveguide-loudspeaker of a kind of Terahertz wave plate converting antenna described in claim 1 ~ 7 any one, it is characterized in that, described rectangular waveguide (3) all adopts quarter turn transition with the corner that links that sheet carries antenna-waveguide transition cavity, radiation side's horn antenna.
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| Application Number | Priority Date | Filing Date | Title |
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| 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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| 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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| CN103762416B CN103762416B (en) | 2016-12-07 |
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Cited By (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 |
| CN104048814A (en) * | 2014-06-25 | 2014-09-17 | 首都师范大学 | Terahertz waveguide test system |
| CN106654590A (en) * | 2016-12-29 | 2017-05-10 | 中国科学院国家空间科学中心 | Terahertz antenna for realizing short baseline measurement |
| CN107356332A (en) * | 2017-06-28 | 2017-11-17 | 东南大学 | Terahertz transceiving chip, receiving/transmission method and its imaging detection system |
| CN112054276A (en) * | 2020-09-27 | 2020-12-08 | 中国工程物理研究院电子工程研究所 | Ridge waveguide-microstrip line transition circuit |
| DE102020208254A1 (en) | 2020-07-01 | 2022-01-05 | Vega Grieshaber Kg | Horn antenna for a radar module |
| CN114503360A (en) * | 2019-10-10 | 2022-05-13 | 罗姆股份有限公司 | Terahertz device |
| CN115208451A (en) * | 2022-09-15 | 2022-10-18 | 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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Cited By (11)
| 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 |
| CN104048814A (en) * | 2014-06-25 | 2014-09-17 | 首都师范大学 | Terahertz waveguide test system |
| CN106654590A (en) * | 2016-12-29 | 2017-05-10 | 中国科学院国家空间科学中心 | Terahertz antenna for realizing short baseline measurement |
| 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 |
| CN107356332A (en) * | 2017-06-28 | 2017-11-17 | 东南大学 | Terahertz transceiving chip, receiving/transmission method and its imaging detection system |
| CN114503360A (en) * | 2019-10-10 | 2022-05-13 | 罗姆股份有限公司 | Terahertz device |
| 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 |
| CN112054276A (en) * | 2020-09-27 | 2020-12-08 | 中国工程物理研究院电子工程研究所 | Ridge waveguide-microstrip line transition circuit |
| CN115208451A (en) * | 2022-09-15 | 2022-10-18 | 四川太赫兹通信有限公司 | Terahertz phased array waveguide cavity, communication system and front end |
| 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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| CN103762416B (en) | 2016-12-07 |
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