CN1323323C - Microwave left-hand material regulated by planar defect - Google Patents
Microwave left-hand material regulated by planar defect Download PDFInfo
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- CN1323323C CN1323323C CNB2004100260607A CN200410026060A CN1323323C CN 1323323 C CN1323323 C CN 1323323C CN B2004100260607 A CNB2004100260607 A CN B2004100260607A CN 200410026060 A CN200410026060 A CN 200410026060A CN 1323323 C CN1323323 C CN 1323323C
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Abstract
The present invention relates to a microwave left-handed material, particularly to a microwave left-handed material with plane defect regulating and controlling microwave transmitting band width, frequencies and strength. Compared with the existing materials, the left-handed material of the present invention uses a cell array with the composite structure of a metal hexagonal opening resonant ring set with a certain dimension and a metal wire as a substrate, and the microwave left-handed material with plane defect regulating and controlling microwave transmitting band width, transmitting peak frequencies and transmitting peak strength can be manufactured by introducing defect resonant rings with inner and outer rings having different geometric parameters into the substrate resonant ring array to form the plane-shaped distribution of the defect ring set. A microwave transmitting test of the prepared material shows that the transmitting band width range of the left-handed material can reach 500 to 1200 MHz, and the transmitting peak frequency can be regulated and controlled in the frequency range from 9947 to 10232 MHz; the transmitting peak strength can change within the range from-29dB to-62dB.
Description
Technical field
The present invention relates to a kind of left-handed materials, particularly a kind of microwave left-hand material by planar defect regulation and control microwave transmission bandwidth, transmission peaks frequency and intensity.
Background technology
Left-handed materials (left-handed metamaterials) is the non-existent artificial composite structure material of a kind of occurring in nature, specific inductive capacity and magnetic permeability are simultaneously for negative in a certain frequency range, the electromagnetic phase velocity of Chuan Boing is opposite with the group velocity direction therein, thereby present the optical characteristics of many novelties, as unusual Doppler effect, unusual Cherenkov effect, perfect lens effect, negative refraction etc.Thereby there is important use be worth in fields such as wireless communication, hypersensitization sensor, diagnosis imagings.The split ring resonator of the realization negative magnetoconductivity that present researcher is designed mostly is circular and square; The microwave electromagnetic resonance behavior of material, promptly its microwave transmission bandwidth, transmission peaks frequency and intensity are unadjustable, and this has brought significant limitation for its practical application.
Summary of the invention
The purpose of this invention is to provide a kind of microwave left-hand material of planar defect regulation and control, its structural unit is the combination of metal hexagonal apertures resonant ring group and metal wire.The structural unit of identical geometric parameter constitutes the substrate left-handed materials according to certain cycle, by in substrate resonant ring array, introducing the plane distribution that the different defective resonant ring of inner and outer ring geometric parameter constitutes defective ring group, making the transmission bandwidth scope is 500MHz～1200MHz, the transmission peaks frequency is adjustable in 9947MHz～10232MHz scope, transmission peaks intensity can-29dB～-planar defect that changes in the 62dB scope regulates and control microwave left-hand material.
Description of drawings
Fig. 1 wall scroll tunable microwave left-handed materials sample.
Fig. 2 substrate resonant ring is SRRs (d
1/ d
2=1.0/2.2mm), planar defect I is respectively room, SRRs (d
1/ d
2=1.0/2.0mm) and SRRs (d
1/ d
2=1.0/2.4mm) the microwave transmission curve of microwave left-hand material.
Fig. 3 substrate resonant ring is SRRs (d
1/ d
2=1.0/2.2mm), planar defect II is respectively room, SRRs (d
1/ d
2=1.0/2.0mm), SRRs (d
1/ d
2=1.0/2.4mm) and SRRs (d
1/ d
2=1.0/2.6mm) the microwave transmission curve of microwave left-hand material.
Fig. 4 substrate resonant ring is SRRs (d
1/ d
2=1.0/2.2mm), planar defect III is respectively room, SRRs (d
1/ d
2=1.0/2.0mm) and SRRs (d
1/ d
2=1.0/2.4mm) the microwave transmission curve of microwave left-hand material.
Embodiment
Adopting the circuit board lithographic technique, is to etch base metal copper split ring resonator array on the epoxy novolac glass fibre PCB substrate one side of 0.8mm at thickness; This array is a column direction with inner and outer ring opening line direction, and its vertical direction is a line direction, and column direction resonant ring center distance is 2.7～3.7mm, and line direction resonant ring center distance is 3.0～10.0mm; The inscribed circle diameter of ring is 1.0～1.5mm in the substrate resonant ring, and the inscribed circle diameter of outer shroud is 2.0～3.3mm, opening g=0.1～0.5mm, and live width is c=0.1～0.5mm, resonant ring thickness is 0.01～0.03mm; Etch parallel metal copper cash array at PCB substrate another side, its center distance is 3.0～10.0mm, and length is 0.6～10.0mm, and live width is 0.1～0.5mm, and thickness is 0.01～0.03mm; Form the resonant ring group along the several substrate resonant rings of column direction, with structural unit of the common composition of the copper lines of PCB substrate another side; With the cutting of prepared metallic copper structural unit array, become the list structure that comprises a plurality of structural units, and be 1～10 parallel and equidistant arrangement strip PCB substrate with the bar number, make the substrate microwave left-hand material; Substrate resonant ring in the adjacent structure unit is replaced with the defective resonant ring of room or different geometrical size, promptly introduce the defective resonant ring group of plane distribution, the inscribed circle diameter of ring is 0mm～1.5mm in the defective resonant ring, the inscribed circle diameter of outer shroud is 0mm～3.3mm, aperture pitch is 0.05mm～0.7mm, live width is 0.1mm～0.5mm, and thickness is 0.01～0.03mm, makes the microwave left-hand material of planar defect regulation and control microwave transmission bandwidth, transmission peaks frequency and intensity.
The performance of implementation procedure of the present invention and material is by embodiment and description of drawings:
Embodiment one:
Adopting the circuit board lithographic technique, is to etch base metal copper split ring resonator array on the epoxy novolac glass fibre PCB substrate one side of 0.8mm at thickness; The direction that this array is determined with inner and outer ring opening line is a column direction, and its vertical direction is a line direction, and column direction resonant ring center distance is 3.3mm, and line direction resonant ring center distance is 7.0mm; The inscribed circle diameter of substrate resonant ring inner and outer ring is respectively 1.0mm and 2.2mm, opening g=0.3mm, and live width is c=0.3mm, resonant ring thickness is 0.02mm; Etch parallel metal copper cash array at PCB substrate another side, its center distance is 7.0mm, and length is 9.9mm, and live width is 0.5mm, and thickness is 0.02mm; Form the resonant ring group along three substrate resonant rings of column direction, with structural unit of the common composition of the copper lines of PCB substrate another side; With prepared metallic copper structural unit array cutting, become the list structure that comprises 7 structural units, with 3 parallel and equidistant 7mm arrangements of PCB substrate, make the substrate microwave left-hand material; Three substrate resonant rings of every PCB substrate center structural unit are replaced formation planar defect I with the defective resonant ring of room or different geometrical size, the interior ring inscribed circle diameter of defective resonant ring is 1.0mm, the outer shroud inscribed circle diameter is respectively 2.0mm and 2.4mm, aperture pitch is 0.3mm, live width is 0.3mm, thickness is 0.02mm, makes the microwave left-hand material of planar defect I regulation and control microwave transmission bandwidth, transmission peaks frequency and intensity.The microwave transmission curve of sample as shown in Figure 2.
Embodiment two:
Adopting the circuit board lithographic technique, is to etch base metal copper split ring resonator array on the epoxy novolac glass fibre PCB substrate one side of 0.8mm at thickness; The direction that this array is determined with inner and outer ring opening line is a column direction, and its vertical direction is a line direction, and column direction resonant ring center distance is 3.3mm, and line direction resonant ring center distance is 7.0mm; The inscribed circle diameter of substrate resonant ring inner and outer ring is respectively 1.0mm and 2.2mm, opening g=0.3mm, and live width is c=0.3mm, resonant ring thickness is 0.02mm; Etch parallel metal copper cash array at PCB substrate another side, its center distance is 7.0mm, and length is 9.9mm, and live width is 0.5mm, and thickness is 0.02mm; Form the resonant ring group along three substrate resonant rings of column direction, with structural unit of the common composition of the copper lines of PCB substrate another side; With prepared metallic copper structural unit array cutting, become the list structure that comprises 7 structural units, with 3 parallel and equidistant 7mm arrangements of PCB substrate, make the substrate microwave left-hand material; The substrate resonant ring at every PCB substrate center and adjacent two structural units middle part thereof is replaced formation planar defect II with the defective resonant ring of room or different geometrical size, the interior ring inscribed circle diameter of defective resonant ring is 1.0mm, the outer shroud inscribed circle diameter is respectively 2.0mm, 2.4mm and 2.6mm, aperture pitch is 0.3mm, live width is 0.3mm, and thickness is 0.02mm, makes the microwave left-hand material of planar defect II regulation and control microwave transmission bandwidth, transmission peaks frequency and intensity.The microwave transmission curve of sample as shown in Figure 3.
Embodiment three:
Adopting the circuit board lithographic technique, is to etch base metal copper split ring resonator array on the epoxy novolac glass fibre PCB substrate one side of 0.8mm at thickness; The direction that this array is determined with inner and outer ring opening line is a column direction, and its vertical direction is a line direction, and column direction resonant ring center distance is 3.3mm, and line direction resonant ring center distance is 7.0mm; The inscribed circle diameter of substrate resonant ring inner and outer ring is respectively 1.0mm and 2.2mm, opening g=0.3mm, and live width is c=0.3mm, resonant ring thickness is 0.02mm; Etch parallel metal copper cash array at PCB substrate another side, its center distance is 7.0mm, and length is 9.9mm, and live width is 0.5mm, and thickness is 0.02mm; Form the resonant ring group along three substrate resonant rings of column direction, with structural unit of the common composition of the copper lines of PCB substrate another side; With prepared metallic copper structural unit array cutting, become the list structure that comprises 7 structural units, with 3 parallel and equidistant 7mm arrangements of PCB substrate, make the substrate microwave left-hand material; Nine substrate resonant rings of central strip PCB substrate center and adjacent two structural units thereof are replaced formation planar defect III with the resonant ring of room or different geometrical size, the interior ring inscribed circle diameter of defective resonant ring is 1.0mm, the outer shroud inscribed circle diameter is respectively 2.0mm and 2.4mm, aperture pitch is 0.3mm, live width is 0.3mm, thickness is 0.02mm, makes the microwave left-hand material of planar defect III regulation and control microwave transmission bandwidth, transmission peaks frequency and intensity.The microwave transmission curve of sample as shown in Figure 4.
Claims (5)
1. microwave left-hand material by planar defect regulation and control, the structural unit of this material is made up of metallic copper hexagonal apertures resonant ring group and copper lines, they lay respectively at epoxy novolac glass mat two surfaces, its principal character is: by introducing the plane distribution that the inner and outer ring geometric parameter defective resonant ring different with the substrate resonant ring constitutes defective ring group in substrate resonant ring array, by the regulation and control to microwave transmission bandwidth, transmission peaks frequency and the transmission peaks intensity of left-handed materials of the change realization planar defect of defective resonant ring geometric parameter.
2. the microwave left-hand material of planar defect regulation and control according to claim 1 is characterized in that base metal copper split ring resonator is a regular hexagon, and the inscribed circle diameter of interior ring is 1.0mm, the inscribed circle diameter of outer shroud is 2.2mm, aperture pitch is 0.3mm, and live width is 0.3mm, and resonant ring thickness is 0.02mm.
3. the microwave left-hand material of planar defect regulation and control according to claim 1, the interior ring inscribed circle diameter that it is characterized in that the defective resonant ring is 1.0mm, and the outer shroud inscribed circle diameter is 2.0mm, 2.4mm or 2.6mm, and aperture pitch is 0.3mm, live width is 0.3mm, and resonant ring thickness is 0.02mm.
4. the microwave left-hand material of planar defect regulation and control according to claim 1, the length that it is characterized in that copper lines is 9.9mm, and live width is 0.5mm, and thickness is 0.02mm.
5. the microwave left-hand material manufacture method of planar defect regulation and control according to claim 1, its process comprises the steps:
(1) adopts the circuit board lithographic technique, at thickness is to etch metallic copper split ring resonator and copper lines structural unit array respectively on 0.8mm epoxy novolac glass fibre PCB substrate two surfaces, the direction that this array is determined with inner and outer ring opening line is a column direction, its vertical direction is a line direction, column direction resonant ring center distance is 3.3mm, and line direction resonant ring center distance is 7.0mm; Along structural unit of the common composition of the copper lines of several resonant rings of column direction and PCB substrate another side;
(2) prepared metallic copper structural unit array is cut into the list structure that contains a plurality of structural units, and parallel and equidistant arrangement makes the substrate microwave left-hand material with strip PCB substrate;
(3) with three substrate resonant rings of every PCB substrate center structural unit, or the substrate resonant ring at every PCB substrate center and adjacent two structural units middle part thereof, or nine substrate resonant rings of central strip PCB substrate center and adjacent two structural units thereof make the tuning microwave left-hand material of planar defect with the replacement of defective resonant ring;
(4) regulating its strip PCB substrate strip number is 3, making the transmission bandwidth scope is 500MHz～1200MHz, the transmission peaks frequency is adjustable in 9947MHz～10232MHz scope, and the planar defect that transmission peaks intensity can change in-29dB～62dB scope is regulated and control microwave left-hand material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100260607A CN1323323C (en) | 2004-04-22 | 2004-04-22 | Microwave left-hand material regulated by planar defect |
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| CNB2004100260607A CN1323323C (en) | 2004-04-22 | 2004-04-22 | Microwave left-hand material regulated by planar defect |
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| CN1690827A CN1690827A (en) | 2005-11-02 |
| CN1323323C true CN1323323C (en) | 2007-06-27 |
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Families Citing this family (8)
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|---|---|---|---|---|
| CN101162800B (en) * | 2006-10-10 | 2010-08-11 | 西北工业大学 | Mobile phone antenna medium substrates with anti-symmetric structure left hand material |
| CN103036046B (en) * | 2011-08-23 | 2015-12-16 | 深圳光启高等理工研究院 | A kind of feedback type satellite tv antenna and satellite television receiving system thereof |
| CN103296418B (en) * | 2012-03-02 | 2017-04-05 | 深圳光启高等理工研究院 | Direction propagation antenna house and beam aerial system |
| CN103367925B (en) * | 2012-03-31 | 2017-03-22 | 深圳光启创新技术有限公司 | Mobile communications antenna |
| CN103367872B (en) * | 2012-03-31 | 2016-12-14 | 深圳光启创新技术有限公司 | A kind of antenna for satellite communication in motion |
| CN102683814B (en) * | 2012-04-28 | 2015-03-11 | 深圳光启高等理工研究院 | Offset feed satellite television antenna and satellite television receiving system thereof |
| CN103346407B (en) * | 2013-06-15 | 2015-05-27 | 厦门大学 | Left-handed material formed by E-shaped mutually embedded structures and provided with double-rod-shaped tuning structure |
| CN111786119A (en) * | 2020-06-05 | 2020-10-16 | 电子科技大学 | Spliced curved surface shell type left-handed metamaterial |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010038325A1 (en) * | 2000-03-17 | 2001-11-08 | The Regents Of The Uinversity Of California | Left handed composite media |
| CN1428017A (en) * | 2000-03-06 | 2003-07-02 | 马科尼光学元件有限公司 | Structure with switchable magnetic properties |
| US6608811B1 (en) * | 1999-01-04 | 2003-08-19 | Marconi Caswell Limited | Structure with magnetic properties |
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2004
- 2004-04-22 CN CNB2004100260607A patent/CN1323323C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6608811B1 (en) * | 1999-01-04 | 2003-08-19 | Marconi Caswell Limited | Structure with magnetic properties |
| CN1428017A (en) * | 2000-03-06 | 2003-07-02 | 马科尼光学元件有限公司 | Structure with switchable magnetic properties |
| US20010038325A1 (en) * | 2000-03-17 | 2001-11-08 | The Regents Of The Uinversity Of California | Left handed composite media |
Non-Patent Citations (4)
| Title |
|---|
| Electromagnetic resonances in individualandcoupledsplit-ringresonators PHILIPPE GAY.BALMAZ et al,JOURNAL OF APPLIED PHYSICS,Vol.92 No.5 2002 * |
| Electromagnetic resonances in individualandcoupledsplit-ringresonators PHILIPPE GAY.BALMAZ et al,JOURNAL OF APPLIED PHYSICS,Vol.92 No.5 2002;负介电常数和负磁导率微波媒质的实验 隋强 李廉林 李芳，中国科学(G辑)，第33卷第5期 2003;用于构成左手化材料(LHMs)的开口谐振环的研究 张富利 赵乾 刘亚红 赵晓鹏，北京广播学院学报(自然科学版)，第10卷第4期 2003 * |
| 用于构成左手化材料(LHMs)的开口谐振环的研究 张富利 赵乾 刘亚红 赵晓鹏，北京广播学院学报(自然科学版)，第10卷第4期 2003 * |
| 负介电常数和负磁导率微波媒质的实验 隋强 李廉林 李芳，中国科学(G辑)，第33卷第5期 2003 * |
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