CN205376718U - Novel hollow medium of terahertz frequency band pipe loaded medium bars guided wave structure - Google Patents
Novel hollow medium of terahertz frequency band pipe loaded medium bars guided wave structure Download PDFInfo
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- CN205376718U CN205376718U CN201520803089.5U CN201520803089U CN205376718U CN 205376718 U CN205376718 U CN 205376718U CN 201520803089 U CN201520803089 U CN 201520803089U CN 205376718 U CN205376718 U CN 205376718U
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Abstract
The utility model provides a novel hollow medium of terahertz frequency band pipe loaded medium bars guided wave structure 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 guided wave structure. The utility model discloses a following scheme realizes: be equipped with metal wire guided wave structure (3) of passing air bed (2) and separate medium bars (4) that are two medium chamber with air bed (2) in hollow medium pipe (1), medium bars (4) connect firmly on the circumference of metal wire guided wave structure (3) with the structural style of the grid of partition equipartition, and outside radiofrequency signal passes through hollow medium pipe (1) and metal wire guided wave structure (3) to and terahertz radiofrequency signal transmission is now realized to the air section that medium bars (4) formed. 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
This utility model relate to a kind of can be widely applied for that terahertz imaging and signal launch guided wave structure formed.
Background technology
Electromagnetic wave within the scope of frequency 0.1～10.0THz is referred to 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 short, low, the high-penetrability of good directionality, photon energy of wavelength, Terahertz system is in semi-conducting material, the character research of high temperature superconducting materia, tomography technology, unmarked genetic test, the imaging of cellular level, chemical and biological inspection, and many fields such as broadband connections, microwave orientation 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 so that countries in the world all give great concern, and therefore Terahertz Technology is increasingly becoming the focus of international research.It is in basic research fields such as physics, chemistry, astronomy, life sciences and medical science, and the application of Terahertz is except terahertz signal source, it is necessary to solve the transmission problem of terahertz signal.The research of transmission line is extremely important for the development of Terahertz (THz) technology, and terahertz signal can be transmitted by 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 there are limitation and Terahertz image objects that terahertz emission source exists in output frequency adjustability and output and the problem that high power transmission needs to have very strong energy coupling at RF output end, owing to the strong of THz ripple is absorbed by steam, research is applicable to the terahertz waveguide of different application demand and becomes urgent need, but currently the suitable waveguide materials of shortage and structure are the major reasons of restriction Terahertz Technology development.
Guided wave structure formed for Terahertz, most important characteristic is exactly: low dispersion, low-loss and strong energy accumulating.When carrying out distance electromagnetic signal transmission, waveguide should have low dispersion characteristics, but during for short range transmission, low-loss and strong energy accumulating characteristic just seem even more important.Many achievements in research show, Terahertz energy in many dielectric materials can by substantial amounts of absorption, this just to Terahertz guided wave structure formed realize low-loss transmission and by force energy accumulating characteristic bring certain difficulty.In Terahertz frequency range, image objects and high power transmission typically require has very strong energy coupled characteristic at outfan, in order to strengthen energy accumulating characteristic, reduce loss, electromagnetic wave is constrained in and waveguide inner air region is transmitted be a kind of effective method.Due to the problem that prior art terahertz emission source limitation in output and current Terahertz image objects and high power transmission need to have very strong energy coupling at RF output end, common hollow medium tube is guided wave structure formed, it is generally not capable of well being transmitted at waveguide interior zone by electromagnetic field containment, is effectively reduced loss and enhanced field restriction ability.And common hollow medium tube guided wave structure formed exist manufacturing process require height, practical application is more difficult, it is difficult to the problems such as processing.
This utility model improves medium tube is guided wave structure formed, it is proposed that a kind of Terahertz frequency range New type hollow medium tube loaded medium grid are guided wave structure formed.
Utility model content
This utility model purpose is the problem needing to have very strong energy coupling at RF output end for prior art terahertz emission source limitation in output and current Terahertz image objects and high power transmission, a kind of simple in construction is provided, being prone to processing realize, the novel hollow medium tube loaded medium grid that couple electromagnetic energy intensity is high are guided wave structure formed.
Above-mentioned purpose of the present utility model can be achieved by the following technical programs, a kind of Terahertz frequency range New type hollow medium tube loaded medium grid are guided wave structure formed, there is a hollow medium tube 1 and air layer 2, it is characterized in that: in hollow medium tube 1, be provided through the metal wire guided wave structure formed 3 of air layer 2 and air layer 2 is divided into the Dielectric 4 of two dielectric cavity, Dielectric 4 connects firmly on the circumference of metal wire guided wave structure formed 3 with the version of the uniform grid of decile, external radio-frequency signal passes through hollow medium tube 1 and metal wire guided wave structure formed 3, and the air section that Dielectric 4 is formed realizes Terahertz radio signal transmission.
This utility model has the advantages that
Simple in construction, it is easy to processing.This utility model is provided through the metal wire guided wave structure formed 3 of air layer 2 in hollow medium tube 1 and air layer 2 is divided into the Dielectric 4 of two dielectric cavity, Dielectric 4 connects firmly on the circumference of metal wire guided wave structure formed 3 with the version of the uniform grid of decile, guided wave structure formed relative to guided wave structure formed and common hollow medium tube such as prior art co-planar waveguide, planar waveguide, medium optical fiber, it is more simple that the version of this utility model medium tube and metal wire waveguide has structure, and is more readily processed the advantage of realization.And solve the guided wave structure formed manufacturing process of existing Terahertz and require height, practical application is more difficult, it is difficult to the problems such as processing.
It is guided wave structure formed that this utility model increases a metal wire in hollow medium tube, and utilize Dielectric to carry out reinforcing and interconnecting between outside medium tube and inner wire are guided wave structure formed, then utilize external agency pipe and inner wire guided wave structure formed, and the air section between Dielectric carries out radio frequency transmission, reduce external radiation field, improve launching and the efficiency received of terahertz signal, realize superpower energy accumulating characteristic, solve prior art terahertz emission source limitation in output and current Terahertz image objects and high power transmission needs have, at RF output end, the problem that very strong energy couples.
Couple electromagnetic energy intensity is high.The version of the grid that this utility model employing decile is uniform connects firmly on the circumference of metal wire guided wave structure formed 3, the energy efficient of terahertz signal is coupled in inner air region, reduce terahertz signal radiation loss in space outerpace, at output position, there is superpower energy accumulating characteristic, thus realizing efficient coupling, improve launching and the efficiency received of terahertz signal.Owing to hollow medium tube loaded medium grid are guided wave structure formed by kelvin effect propagation surface ripple, little radiation field is there is around waveguide external, major part electromagnetic energy is gathered in inside waveguide, energy of electromagnetic field is propagated in metal guide wave surface, electromagnetic energy is fettered by external agency layer, therefore, it is possible to realize higher energy coupling at output position.This is that existing hollow medium tube is guided wave structure formed is difficulty with.
This utility model can effectively enhancing signal transmitting power, stiffness of coupling adjustable Terahertz frequency range guided wave structure formed.It is particularly well-suited to 0.1THz～1THz Terahertz frequency range, terahertz imaging,
Accompanying drawing explanation
Fig. 1 is the front view that Terahertz frequency range New type hollow medium tube loaded medium grid described in the utility model are guided wave structure formed.
Fig. 2 is the left view of Fig. 1.
In figure: 1 is hollow medium tube waveguide, and 2 is air layer, and 3 is that metal wire is guided wave structure formed, and 4 is Dielectric.
Detailed description of the invention
Consult Fig. 1-Fig. 2.In embodiment described below, Terahertz frequency range New type hollow medium tube loaded medium grid are guided wave structure formed, there is a hollow medium tube 1 and air layer 2, in hollow medium tube 1, it is provided through the metal wire guided wave structure formed 3 of air layer 2 and air layer 2 is divided into the Dielectric 4 of two dielectric cavity, Dielectric 4 connects firmly on the circumference of metal wire guided wave structure formed 3 with the version of the uniform grid of decile, external radio-frequency signal passes through hollow medium tube 1 and metal wire guided wave structure formed 3, and the air section that Dielectric 4 is formed realizes Terahertz radio signal transmission.Dielectric 4 connects firmly on the cylinder of described metal wire guided wave structure formed 3 with cross structure form.
Terahertz radiofrequency signal passes through hollow medium tube 1 and metal wire guided wave structure formed 3, and the air section that Dielectric 4 is formed is transmitted, little radiation field is there is around waveguide external, major part electromagnetic energy is gathered in waveguide inner air layer region, due to this guided wave structure formed propagation is surface wave, energy of electromagnetic field is propagated in metal surface, and electromagnetic energy is fettered by external agency layer, therefore, it is possible to realize higher energy coupling at output position.This utility model can improve terahertz imaging quality and enhancing signal transmitting power.
This utility model is embodied as adopting 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), the Terahertz frequency range setting up Fig. 1 is guided wave structure formed, set required transmission characteristic design object, by the Optimized Program of software, so that it is determined that each unit linear electrical parameter.
Claims (3)
1. Terahertz frequency range New type hollow medium tube loaded medium grid are guided wave structure formed, there is a hollow medium tube (1) and air layer (2), it is characterized in that: in hollow medium tube (1), be provided through the metal wire guided wave structure formed (3) of air layer (2) and air layer (2) is divided into the Dielectric (4) of two dielectric cavity, Dielectric (4) connects firmly on the circumference of metal wire guided wave structure formed (3) with the version of the uniform grid of decile, external radio-frequency signal passes through hollow medium tube (1) and metal wire guided wave structure formed (3), and the air section that Dielectric (4) is formed realizes Terahertz radio signal transmission.
2. Terahertz frequency range New type hollow medium tube loaded medium grid as claimed in claim 1 are guided wave structure formed, it is characterised in that: Dielectric (4) connects firmly on the cylinder of described metal wire guided wave structure formed (3) with cross structure form.
3. Terahertz frequency range New type hollow medium tube loaded medium grid as claimed in claim 1 are guided wave structure formed, it is characterized in that: Terahertz radiofrequency signal passes through hollow medium tube (1) and metal wire guided wave structure formed (3), and the air section that Dielectric (4) is formed is transmitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520803089.5U CN205376718U (en) | 2015-10-18 | 2015-10-18 | Novel hollow medium of terahertz frequency band pipe loaded medium bars guided wave structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520803089.5U CN205376718U (en) | 2015-10-18 | 2015-10-18 | Novel hollow medium of terahertz frequency band pipe loaded medium bars guided wave structure |
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| Publication Number | Publication Date |
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| CN205376718U true CN205376718U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520803089.5U Expired - Fee Related CN205376718U (en) | 2015-10-18 | 2015-10-18 | Novel hollow medium of terahertz frequency band pipe loaded medium bars guided wave structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856825A (en) * | 2019-02-14 | 2019-06-07 | 合肥工业大学 | A kind of Terahertz transmission-type modulator based on double-level-metal micro-structure and liquid crystal |
| CN112928415A (en) * | 2021-03-11 | 2021-06-08 | 南通大学 | Medium composite type sub-terahertz dielectric waveguide transmission line |
-
2015
- 2015-10-18 CN CN201520803089.5U patent/CN205376718U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856825A (en) * | 2019-02-14 | 2019-06-07 | 合肥工业大学 | A kind of Terahertz transmission-type modulator based on double-level-metal micro-structure and liquid crystal |
| CN112928415A (en) * | 2021-03-11 | 2021-06-08 | 南通大学 | Medium composite type sub-terahertz dielectric waveguide transmission line |
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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: 20160706 Termination date: 20191018 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |