CN104810609A - CNT (Carbon Nano Tube) terahertz antenna - Google Patents
CNT (Carbon Nano Tube) terahertz antenna Download PDFInfo
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- CN104810609A CN104810609A CN201510200520.1A CN201510200520A CN104810609A CN 104810609 A CN104810609 A CN 104810609A CN 201510200520 A CN201510200520 A CN 201510200520A CN 104810609 A CN104810609 A CN 104810609A
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Abstract
A CNT (Carbon Nano Tube) terahertz antenna adopts a structure that a carbon nano tube is nested on a silicon substrate; the structure is formed by the silicon substrate, the carbon nano tube, nest material copper wires and an alternating current power supply; the carbon nano tube forms into an array to be perpendicularly arranged on the silicon substrate in a parallel mode; the semi-diameter of the carbon nano tube is 0.0001 time of the incident wave length; the gap width between two sections of the carbon nano tubes is 0.01 time of the incident wave length; an alternating current power supply which is arranged at a gap between the two sections of the carbon nano tubes is respectively connected with the nest material copper wires on two sides; the length of the integral antenna is 0.5 time of the incident wave length. The CNT terahertz antenna has the advantages of obviously improving the antenna radiation gain due to coupling effects between the carbon nano tube and the copper wires and the radiation superimposed effect between the carbon nano tubes in the carbon nano tube terahertz antenna model; being well applied to equipment research such as a national defense system in combination with the terahertz technology.
Description
Technical field
The present invention relates to a kind of novel carbon nano-tube Terahertz antenna.
Technical background
Along with the development of society, one of the communication technology huge motive force becoming human progress.Carbon nano-tube is monodimension nanometer material, lightweight, and hexagonal structure connects perfect, and having many superior mechanics, electricity and chemical property, is one of very important material in field of nanometer technology.Preparation technology's relative maturity of carbon nano-tube, for research carbon nano-tube antenna provides material conditions.Increasing communication now adopts higher transmitting and receiving frequency, especially after international communication alliance specifies the frequency range of 200GHz to be the use of next step inter-satellite communication.In fact this wave band has been just in Terahertz (0.1THz-10THz) wavelength band.Frequency is higher, just means that the electromagnetic wavelength of transmission is shorter.At this time this special material of carbon nano-tube just becomes the ideal material of research Terahertz antenna.
Existing research is now pointed out, as long as incident wavelength and carbon nano-tube antenna become certain corresponding ratio, carbon nano-tube can radiation and electromagnetic wave absorption at terahertz wave band.In the present invention.Adulterate copper cash in carbon nano-tube, and carbon nano-tube being made aerial array can further enhanced rad intensity, makes antenna obtain higher gain.Therefore, study carbon nano-tube Terahertz antenna and there is good Practical significance.
Summary of the invention
The present invention is directed to above-mentioned technical Analysis, provide a kind of carbon nano-tube Terahertz antenna, this carbon nano-tube Terahertz antenna be applicable to receive and tranmitting frequency higher than the electromagnetic wave of 0.01THz, corresponding length can be made at nanometer, millimeter even other antenna of Centimeter Level.
Technical scheme of the present invention:
A kind of carbon nano-tube Terahertz antenna, adopt carbon nano-tube nested structure in silicon base, be made up of silicon base, carbon nano-tube, nested material copper cash and AC power, carbon nano-tube forming array to be vertically installed in silicon base and arranged in parallel, the radius of carbon nano-tube is 0.0001 times of incident wavelength, gap width between two sections of carbon nano-tube is 0.01 times of incident wavelength, the gap place of AC power between two sections of carbon nano-tube is also connected with the nested material copper cash on both sides respectively, and the length of whole antenna is 0.5 times of incident wave wavelength.
Described carbon nano-tube-nested copper cash shape is linear, I-shaped, Y-shaped or annular.
In this carbon nano-tube Terahertz antenna model, due to the radiation synergistic effect between the coupling effect between carbon nano-tube and copper cash and carbon nano-tube, the radiation gain of antenna is improved.
Advantage of the present invention is:
In this carbon nano-tube Terahertz antenna model, due to the radiation synergistic effect between the coupling effect between carbon nano-tube and copper cash and carbon nano-tube, the radiation gain of antenna is improved.This carbon nano-tube Terahertz antenna due to incident wave frequency be Terahertz, the interpolation of copper cash and array structure, the more common carbon nano-tube antenna of its gain is significantly increased; In conjunction with Terahertz Technology, carbon nano-tube Terahertz antenna can better be applied on the equipment research as national defense system.
Accompanying drawing explanation
Fig. 1 is this carbon nano-tube Terahertz antenna structure view
Fig. 2 is the nested copper cash schematic diagram of line style carbon nano-tube in carbon nano-tube Terahertz dipole antenna model
Fig. 3 is the nested copper cash schematic diagram of " Y " font carbon nano-tube in carbon nano-tube Terahertz dipole antenna model
Fig. 4 is the nested copper cash schematic diagram of carbon nano-tube Terahertz loop aerial model carbon nano-tube
In figure: 1. nested material copper cash 4. AC power of silicon base 2. carbon nano-tube 3..
Embodiment
To be described in detail a kind of novel carbon nano-tube Terahertz antenna provided by the present invention below by embodiment.But those skilled in the art will appreciate that within the scope of the claims, the multiple modification in form and in details can be made.Therefore the present invention is never only limitted to the embodiment of the following stated.
Embodiment 1:
A kind of carbon nano-tube Terahertz antenna, as shown in Figure 1, adopt carbon nano-tube nested structure in silicon base, by silicon base 1, carbon nano-tube 2, nested material copper cash 3 and AC power 4 form, carbon nano-tube 2 forming array to be vertically installed in silicon base 1 and arranged in parallel, the shape of the nested copper cash of carbon nano-tube 2-3 is linear, the radius of carbon nano-tube 2 is 0.0001 times of incident wavelength, gap width between two sections of carbon nano-tube 2 is 0.01 times of incident wavelength, the gap place of AC power 4 between two sections of carbon nano-tube 2 is also connected with the nested material copper cash 3 on both sides respectively, the length of whole antenna is 0.5 times of incident wave wavelength.
Embodiment 2:
A kind of carbon nano-tube Terahertz antenna, as shown in Figure 2, architectural feature is substantially the same manner as Example 1, and difference is: the shape of the nested copper cash of carbon nano-tube 2-3 is I-shaped.
Embodiment 3:
A kind of carbon nano-tube Terahertz antenna, as shown in Figure 3, architectural feature is substantially the same manner as Example 1, and difference is: the shape of the nested copper cash 3 of carbon nano-tube 2-is Y-shaped.
Embodiment 4:
A kind of carbon nano-tube Terahertz antenna, as shown in Figure 4, architectural feature is substantially the same manner as Example 1, and difference is: the shape of the nested copper cash 3 of carbon nano-tube 2-is annular.
The design software that this modeling adopts is the full wave analysis software CST microwave studio based on finite time-domain Integral Technology, and this software can simulate the antenna radiation characteristics of full electromagnetic band, wherein just comprises THz wave.Circuit model employing material is the radio circuit of the nested copper cash of carbon nano-tube.First, the equivalent electric circuit of carbon nano-tube Terahertz antenna is set up from following four aspect-dynamic inductances, electrostatic capacitance, quantum capacitance, electron spin.Then Surface current distribution and the local Electric Field Distribution of the nested copper cash of carbon nano-tube is obtained.Then model is utilized to calculate Electric Field Distribution respectively, radiant power, intensity, resistance, directivity, the parameters such as effective area.Result shows, because the plasmon resonant frequency of carbon nano-tube is in terahertz wave band, so when antenna length equals 0.5 times of incident wavelength, when the two ends carbon nano-tube radius of every root antenna is 100:1 with gap ratio, radiation gain can reach maximum. and now carbon nano-tube Terahertz antenna has best relative bandwidth and gain, due to the interpolation of substrate, to the directivity of this carbon nano-tube Terahertz antenna and gain range also helpful.
Claims (2)
1. a carbon nano-tube Terahertz antenna, it is characterized in that: adopt carbon nano-tube nested structure in silicon base, be made up of silicon base, carbon nano-tube, nested material copper cash and AC power, carbon nano-tube forming array to be vertically installed in silicon base and arranged in parallel, the radius of carbon nano-tube is 0.0001 times of incident wavelength, gap width between two sections of carbon nano-tube is 0.01 times of incident wavelength, the gap place of AC power between two sections of carbon nano-tube is also connected with the nested material copper cash on both sides respectively, and the length of whole antenna is 0.5 times of incident wave wavelength.
2. carbon nano-tube Terahertz antenna according to claim 1, is characterized in that: described carbon nano-tube-nested copper cash shape is linear, I-shaped, Y-shaped or annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510200520.1A CN104810609B (en) | 2015-04-24 | 2015-04-24 | A kind of CNT Terahertz antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510200520.1A CN104810609B (en) | 2015-04-24 | 2015-04-24 | A kind of CNT Terahertz antenna |
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| CN104810609A true CN104810609A (en) | 2015-07-29 |
| CN104810609B CN104810609B (en) | 2018-03-30 |
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| CN201510200520.1A Expired - Fee Related CN104810609B (en) | 2015-04-24 | 2015-04-24 | A kind of CNT Terahertz antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832766A (en) * | 2016-12-19 | 2017-06-13 | 西北大学 | Array carbon nano tube polymer composites, preparation method and applications |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948142A (en) * | 2005-10-12 | 2007-04-18 | 王洋 | Preparation method of carbon nano-tube array and its application in preparing antenna array |
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2015
- 2015-04-24 CN CN201510200520.1A patent/CN104810609B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948142A (en) * | 2005-10-12 | 2007-04-18 | 王洋 | Preparation method of carbon nano-tube array and its application in preparing antenna array |
Non-Patent Citations (2)
| Title |
|---|
| YASEEN YASER JURN等: "《An investigation of single-walled carbon nanotubes bundle dipole antenna at THz frequencies》", 《2014 IEEE INTERNATIONAL CONFERENCE ON CONTROL SYSTEM,COMPUTING AND ENGINEERING》 * |
| YI HUANG等: "《Performance predication of carbon nanotube bundle dipole antenna》", 《PROCEEDINGS OF ASIA-PACIFIC MICROWAVE CONFERENCE 2007》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832766A (en) * | 2016-12-19 | 2017-06-13 | 西北大学 | Array carbon nano tube polymer composites, preparation method and applications |
| CN106832766B (en) * | 2016-12-19 | 2019-06-04 | 西北大学 | Array carbon nano tube polymer composites, preparation method and applications |
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| CN104810609B (en) | 2018-03-30 |
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