CN205081201U - Toper G line RF transmission device - Google Patents
Toper G line RF transmission device Download PDFInfo
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- CN205081201U CN205081201U CN201520809125.9U CN201520809125U CN205081201U CN 205081201 U CN205081201 U CN 205081201U CN 201520809125 U CN201520809125 U CN 201520809125U CN 205081201 U CN205081201 U CN 205081201U
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- line
- guided wave
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- wave structure
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Abstract
The utility model provides a toper G line RF transmission device aims at providing a simple structure, and is workable, can realize superstrong energy concentrating characteristic to can improve terahertz imaging quality and enhanced signal transmit power's RF transmission device. The utility model discloses a following scheme realizes: hollow medium pipe loaded medium bars guided wave structure is formed through in the hollow medium pipe (1) air bed (2) and medium bars (3) in metal wire guided wave structure (4), this hollow medium pipe loaded medium bars guided wave structure passes through one section in hollow medium pipe end mouth and warp toper G line transition structure transitional coupling toper G line, outside radiofrequency signal manages loaded medium bars guided wave structure tail end air bed region through the hollow medium and carries out radio frequency power input to warping toper G line transition structure, most advanced position from toper G line carries out signal output. The utility model provides a prior art terahertz guided wave structure manufacturing process requirement is high now, practical application is more difficult, is hard to process the scheduling problem.
Description
Technical field
The utility model relates to a kind of radio frequency transmission device that can be widely used in terahertz imaging and signal transmitting.
Background technology
Electromagnetic wave within the scope of frequency 0.1 ~ 10.0THz is called as THz wave.Between millimeter wave frequency band and infrared ray frequency range, Terahertz frequency range electromagnetic wave frequency range belongs to far infrared band, there is the peculiar properties such as wavelength is short, good directionality, photon energy are low, high-penetrability, Terahertz system is in the imaging of the character research of semi-conducting material, high temperature superconducting materia, tomography technology, unmarked genetic test, cellular level, chemistry and biological inspection, and broadband connections, microwave be directed etc., and many fields are widely used.Due to the specific position residing for THz ripple, it has much superior characteristic and very important academic research and using value, and make countries in the world all give great concern, therefore Terahertz Technology becomes the focus of international research gradually.It is in basic research fields such as physics, chemistry, astronomy, life science and medical science, and the application of Terahertz, except terahertz signal source, also must solve the transmission problem of terahertz signal.The research of transmission line is extremely important for the development of Terahertz (THz) technology, and it can transmit terahertz signal effectively, reduces the loss of signal.THz wave shows a series of special nature being different from other electromagnetic radiation: penetration capacity is strong, photon energy is low, can obtain high-resolution picture rich in detail, can carry out time-resolved spectral measurement etc.But the limitation having terahertz emission source to exist in output frequency adjustability and power output and Terahertz image objects and high power transmission need the problem in radio-frequency (RF) output end with very strong Energy Coupling, because steam is to the strong absorption of THz ripple, the terahertz waveguide that research is applicable to different application demand becomes urgent need, but the suitable waveguide materials of current shortage and structure are the major reasons of restriction Terahertz Technology development.
How electromagnetic field retrained effectively and carry out lowly damaging the major issue that transmission is the guided wave structure formed research of Terahertz.Have already been proposed some Terahertzs at present guided wave structure formed.Goubau line is a kind of surface duct wave structure put forward by Goubau.It is on the basis that cylindricality metal wire is guided wave structure formed, forms by increasing one deck medium in metal surface.At Terahertz low-frequency range (0.1-0.5THz), Goubau line can realize low-loss transmission, and loss is 0.1-2.1m
-1.Outer dielectric layer can fetter the electromagnetic energy that metal reflects effectively, and the field restriction ability of cylindricality G line is guided wave structure formed compared to metal wire obtains obvious enhancing.Current co-planar waveguide, planar waveguide, medium optical fiber etc. are guided wave structure formed, and medium tube, metal wire version structure that is guided wave structure formed and taper G line is comparatively complicated, are not easy to processing and realize.
In Terahertz frequency range, image objects and high power transmission need to have very strong Energy Coupling characteristic at output usually, in order to strengthen energy accumulating characteristic, the utility model improves cylindricality G line, and adopt that hollow medium tube loaded medium grid are guided wave structure formed carries out radiofrequency signal input, propose a kind of novel Terahertz frequency range hollow medium tube loaded medium grid guided wave structure formed-taper G line radio frequency transmission device, superpower energy accumulating characteristic can be realized.
Utility model content
The utility model object is for the limitation of prior art terahertz emission source in power output and current Terahertz image objects, and high power transmission needs the problem in radio-frequency (RF) output end with very strong Energy Coupling, there is provided a kind of structure simple, being easy to processing realize, the novel Terahertz frequency range hollow medium tube loaded medium grid that couple electromagnetic energy intensity is high, working band is wide are guided wave structure formed-taper G line radio frequency transmission device.
Above-mentioned purpose of the present utility model can be achieved by the following technical programs, a kind of taper G line radio frequency transmission device, comprise hollow medium tube 1, air layer 2, Dielectric 3, metal wire guided wave structure formed 4, distortion taper G line transition structure 5 and taper G line 6, it is characterized in that: it is guided wave structure formed that metal wire guided wave structure formed 4 forms hollow medium tube loaded medium grid by air layer 2 in hollow medium tube 1 and Dielectric 3, these hollow medium tube loaded medium grid are guided wave structure formed connects taper G line 6 by the transition of hollow medium tube 1 port one section distortion taper G line transition structure 5, external radio-frequency signal carries out radio-frequency (RF) energy input by hollow medium tube loaded medium grid guided wave structure formed tail end air layer 2 region to distortion taper G line transition structure 5, the energy of terahertz signal is coupled in dielectric layer region, signal output is carried out from the most advanced and sophisticated position of taper G line 6.
The utility model has following beneficial effect:
Structure is simple, is easy to processing.The utility model inputs so that a kind of Terahertz frequency range hollow medium tube loaded medium grid are guided wave structure formed as radiofrequency signal, interconnected by one section of distortion taper G line transition structure transition structure and taper G line, export radiofrequency signal, solve the guided wave structure formed manufacture process requirement of existing Terahertz high, practical application is more difficult, is difficult to the problems such as processing.Guided wave structure formed relative to prior art co-planar waveguide, planar waveguide, medium optical fiber etc., it is more simple that medium tube, metal wire version that is guided wave structure formed and taper G line just has structure, is easier to processing and realizes.
Couple electromagnetic energy intensity is high.The utility model employing Terahertz frequency range hollow medium tube loaded medium grid are guided wave structure formed passes through one section of distortion taper G line transition structure 5 transition interconnection taper G line 6, external radio-frequency signal carries out radio-frequency (RF) energy input by hollow medium tube loaded medium grid guided wave structure formed tail end air layer 2 region to distortion taper G line transition structure 5, signal output is carried out from the most advanced and sophisticated position of taper G line 6, the energy efficient of terahertz signal is coupled in dielectric layer region, at the most advanced and sophisticated position of taper G line, there is superpower energy accumulating characteristic, thus realize efficient coupling, reduce the radiation loss of terahertz signal in space outerpace, improve the efficiency of the launching and receiving of terahertz signal, this is that existing cylindricality G line is difficult to realize.Compared to prior art cylindricality G line, there is little radiation field in the utility model taper G line, most of electromagnetic energy is gathered in waveguide inside around, can realize stronger Energy Coupling at output position, tip.
Working band is wide.The utility model external radio-frequency signal inputs from Terahertz frequency range hollow medium tube loaded medium grid are guided wave structure formed, by one section of distortion taper G line transition structure 5 transition interconnection taper G line 6, then carries out signal output from the most advanced and sophisticated position of taper G line.Guided wave structure formed and the taper G line of hollow medium tube loaded medium grid for different size, can increase by one section of distortion taper G line transition structure 5 between to carry out transition interconnection.Due to this taper G line propagate is surface wave, energy of electromagnetic field is propagated in metal surface, electromagnetic energy fetter by external agency layer, therefore at output position, tip, electromagnetic energy has superpower coupled characteristic, realizes superpower energy accumulating characteristic.
The utility model is specially adapted to 0.1THz ~ 0.5THz Terahertz frequency range, terahertz imaging, and effectively can strengthen the radio frequency transmission device of signal transmission power, Terahertz frequency range that stiffness of coupling is adjustable.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of the utility model taper G line radio frequency transmission device.
In figure: 1 hollow medium tube, 2 air layers, 3 Dielectrics, 4 metal wires are guided wave structure formed, 5 distortion taper G line transition structures, 6 taper G lines.
Embodiment
Consult Fig. 1.In embodiment described below, taper G line radio frequency transmission device comprises, comprise hollow medium tube 1, air layer 2, Dielectric 3, metal wire guided wave structure formed 4, distortion taper G line transition structure 5 and taper G line 6, wherein, it is guided wave structure formed that metal wire guided wave structure formed 4 forms hollow medium tube loaded medium grid by air layer 2 in hollow medium tube 1 and Dielectric 3, these hollow medium tube loaded medium grid are guided wave structure formed connects taper G line 6 by the transition of hollow medium tube 1 port one section distortion taper G line transition structure 5, external radio-frequency signal carries out radio-frequency (RF) energy input by hollow medium tube loaded medium grid guided wave structure formed tail end air layer 2 region to distortion taper G line transition structure 5, the energy of terahertz signal is coupled in dielectric layer region, signal output is carried out from the most advanced and sophisticated position of taper G line 6.
Guided wave structure formed and the taper G line of hollow medium tube loaded medium grid for different size, can increase by one section of distortion taper G line transition structure 5 between to carry out transition interconnection.Due to taper G line propagate is surface wave, energy of electromagnetic field is propagated in metal surface, electromagnetic energy fetter by external agency layer, therefore at output position, tip, electromagnetic energy has close coupling effect.Terahertz imaging quality can be improved and strengthen signal transmission power.
The utility model is specifically implemented to adopt following steps: first according to Terahertz circuit band requirement, determine frequency passband, select suitable outer media material, utilize microwave circuit CASE(Computer Aided Software Engineering), set up the guided wave structure formed of Fig. 1, transmission characteristic design object needed for setting, by the Optimized Program of software, thus determines each unit linear electrical parameter.
Claims (2)
1. a taper G line radio frequency transmission device, comprise hollow medium tube (1), air layer (2), Dielectric (3), metal wire guided wave structure formed (4), distortion taper G line transition structure (5) and taper G line (6), it is characterized in that: it is guided wave structure formed that metal wire guided wave structure formed (4) forms hollow medium tube loaded medium grid by air layer (2) in hollow medium tube (1) and Dielectric (3), these hollow medium tube loaded medium grid are guided wave structure formed connects taper G line (6) by transition structure (5) transition of hollow medium tube (1) port one section distortion taper G line, external radio-frequency signal carries out radio-frequency (RF) energy input by hollow medium tube loaded medium grid guided wave structure formed tail end air layer (2) region to distortion taper G line transition structure (5), the energy of terahertz signal is coupled in dielectric layer region, signal output is carried out from the most advanced and sophisticated position of taper G line (6).
2. taper G line radio frequency transmission device as claimed in claim 1, it is characterized in that: the guided wave structure formed and taper G line of the hollow medium tube loaded medium grid of different size, the guided wave structure formed and taper G line of hollow medium tube loaded medium grid increases by one section of distortion taper G line transition structure (5) and carries out transition interconnection between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520809125.9U CN205081201U (en) | 2015-10-18 | 2015-10-18 | Toper G line RF transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520809125.9U CN205081201U (en) | 2015-10-18 | 2015-10-18 | Toper G line RF transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205081201U true CN205081201U (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520809125.9U Expired - Fee Related CN205081201U (en) | 2015-10-18 | 2015-10-18 | Toper G line RF transmission device |
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| Country | Link |
|---|---|
| CN (1) | CN205081201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844914A (en) * | 2018-05-28 | 2018-11-20 | 南开大学 | A kind of Terahertz super-resolution imaging device and imaging method based on metal probe |
-
2015
- 2015-10-18 CN CN201520809125.9U patent/CN205081201U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844914A (en) * | 2018-05-28 | 2018-11-20 | 南开大学 | A kind of Terahertz super-resolution imaging device and imaging method based on metal probe |
| CN108844914B (en) * | 2018-05-28 | 2020-09-11 | 南开大学 | Terahertz super-resolution imaging device and imaging method based on metal probe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20191018 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |