CN103018927B - Terahertz wave switch of eight-claw ring structure - Google Patents
Terahertz wave switch of eight-claw ring structure Download PDFInfo
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- CN103018927B CN103018927B CN201210564190.0A CN201210564190A CN103018927B CN 103018927 B CN103018927 B CN 103018927B CN 201210564190 A CN201210564190 A CN 201210564190A CN 103018927 B CN103018927 B CN 103018927B
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Abstract
The invention discloses a terahertz wave switch of an eight-claw ring structure. The terahertz wave switch comprises a first signal input terminal, a laser input terminal, a signal output terminal, a substrate, a waveguide transmission band and an eight-claw ring structure waveguide, wherein the waveguide transmission band and the eight-claw ring structure waveguide are arranged on the substrate, and the eight-claw ring structure waveguide comprises a ring waveguide, a trigram rectangular coupled waveguide and J-shaped waveguides; the trigram rectangular coupled waveguide comprises eight rectangular coupled waveguide blocks which are arranged by taking the center of the ring waveguide as a center, and the tail ends of the eight rectangular coupled waveguide blocks are respectively coupled with one end of each of the eight J-shaped waveguides; and the other ends of the eight J-shaped waveguides are coupled with the ring waveguide, and terahertz wave signals are input through the first signal input terminal and output through the signal output terminal. The terahertz wave switch of the eight-claw ring structure provided by the invention has the advantages of simple structure, small size, low cost, convenience in manufacture and the like, and meets the requirements of application in the field of terahertz wave communication and the like.
Description
Technical field
The present invention relates to THz wave switch, relate in particular to a kind of THz wave switch of eight pawl circular ring structures.
Background technology
THz wave refers to that frequency is the electromagnetic wave of 30 μ m ~ 3mm at 0.1～10 THz, wavelength, and in electromagnetic wave spectrum, between microwave and infrared light, in person in electronics, THz wave is also referred to as millimeter wave or submillimeter wave; And at optical field, its far red light that is otherwise known as.THz wave is extensively to exist at occurring in nature, and most objects heat radiation frequency is at room temperature greatly about 6 THz left and right, and the cosmic background radiation producing in Big Bang has half to belong to terahertz wave band.Although terahertz emission is flooded with nature; but before 20th century the mid-80s; owing to lacking terahertz emission source and the effective THz wave Detection Techniques of steady running under high-energy, high-level efficiency, room temperature; Terahertz Technology and applied research progress are very slow; relevant bibliographical information is also very few; terahertz wave band becomes a unique wave band not yet fully developing in broad electromagnetic wave spectrum, is called electromagnetic wave spectrum last " Terahertz space " by scientific circles.The existing microwave of THz wave, infrared light, the common properties of visible ray, have again the incomparable characteristic of other wave band, and these superior characteristics make THz wave have very important research value and actual application value.
THz wave radio communication can obtain transmission speed speed more than 10Gb/s, than also more than thousand times of fast hundreds of to of current super-broadband tech, therefore research and develop following terahertz wave band wireless communication system and can effectively meet the demand of information society to high rate ultra wideband.But, in the time of application THz wave solving practical problems, the functional devices such as terahertz waveguide, phase-modulator and switch are to realize the requisite device of whole system function, therefore in worldwide, have started in recent years the upsurge of a research Terahertz communication system and device.And terahertz wave switch device is as the important devices of following THz wave communication system, so far almost or blank, the THz wave switch that therefore design performance is good is the trend of research at present in correlative study.
Summary of the invention
The object of the invention is for overcome prior art be difficult to integrated, complex structure, actual fabrication difficulty, the deficiency that cost is high, provides a kind of THz wave switch of eight pawl circular ring structures.
In order to achieve the above object, technical scheme of the present invention is as follows:
The THz wave switch of eight pawl circular ring structures comprises first signal input end, laser fan-in, signal output part, substrate, waveguide band, eight pawl circular ring structure waveguides; Substrate is provided with waveguide band, eight pawl circular ring structure waveguides, eight pawl circular ring structure waveguides are made up of annulus waveguide, eight-trigram type rectangle coupled waveguide and J-shaped waveguide, eight-trigram type rectangle coupled waveguide comprises 8 rectangle coupled waves guide blocks, 8 rectangle coupled waves guide blocks are arranged centered by the center of annulus waveguide, the end of 8 rectangle coupled waves guide blocks is of coupled connections respectively at 8 J-shaped waveguide one end, and the other end of 8 J-shaped waveguides is connected with annulus waveguide-coupled; Terahertz wave signal is inputted from first signal input end, in the time inputting from laser input end without additional laser, frequency is that the THz wave of 0.46THz is exported from signal output part through waveguide band, in the time having additional laser to input from laser input end, frequency is that the THz wave warp of 0.46THz can not be exported from signal output part, realizes switch on and off function.
The length of described substrate is 3000 μ m ~ 3500 μ m, and width is 1600 μ m ~ 1800 μ m.Described waveguide band, the thickness of eight pawl circular ring structure waveguides is 10 μ m ~ 15 μ m.The length of described waveguide band is 3000 μ m ~ 3500 μ m, and width is 200 μ m ~ 300 μ m.The described exradius by annulus waveguide is 450 μ m ~ 500 μ m, and interior radius of circle is 350 μ m ~ 450 μ m.Described rectangle coupled waves guide block comprises 4 rectangular waveguides, and the length of rectangular waveguide is 80 μ m ~ 120 μ m, and width is 40 μ m ~ 60 μ m, and the distance between rectangular waveguide is 10 μ m ~ 15 μ m.The height of described J-shaped waveguide (10) is 150 μ m ~ 200 μ m, and J-shaped lower end half radius of a circle is 50 μ m ~ 60 μ m.
The THz wave switch of eight pawl circular ring structures of the present invention, has simple in structurely, and size is little, and cost is low, is convenient to the advantages such as making.
Brief description of the drawings:
Fig. 1 is the perspective view of the THz wave switch of eight pawl circular ring structures;
Fig. 2 is laser input end input laser schematic diagram;
Fig. 3 is the planar structure schematic diagram of the THz wave switch of eight pawl circular ring structures;
Fig. 4 is eight pawl circular ring structure waveguide composition structural representations;
Fig. 5 is the performance curve under the logical state of the THz wave switch of eight pawl circular ring structures;
Fig. 6 is that the THz wave of eight pawl circular ring structures is opened the performance curve under off state.
Embodiment
As shown in Fig. 1 ~ 4, the THz wave switch of eight pawl circular ring structures comprises first signal input end 1, laser fan-in 2, signal output part 3, substrate 4,5, the eight pawl circular ring structure waveguides 6 of waveguide band; Substrate 4 is provided with waveguide band 5, eight pawl circular ring structure waveguides 6, eight pawl circular ring structure waveguides 6 are made up of annulus waveguide 7, eight-trigram type rectangle coupled waveguide 8 and J-shaped waveguide 10, eight-trigram type rectangle coupled waveguide 8 comprises 8 rectangle coupled waves guide blocks 9,8 rectangle coupled waves guide blocks 9 are arranged centered by the center of annulus waveguide 7, the end of 8 rectangle coupled waves guide blocks 9 is of coupled connections respectively at 8 J-shaped waveguide 10 one end, and the other end of 8 J-shaped waveguides 10 and annulus waveguide 7 are of coupled connections; Terahertz wave signal is inputted from first signal input end 1, in the time inputting from laser input end 2 without additional laser, frequency is that the THz wave of 0.46THz is exported from signal output part 3 through waveguide band 5, in the time having additional laser to input from laser input end 2, frequency is that the THz wave warp of 0.46THz can not be exported from signal output part 3, realizes switch on and off function.
The length of described substrate 4 is 3000 μ m ~ 3500 μ m, and width is 1600 μ m ~ 1800 μ m.The thickness of described waveguide band 5, eight pawl circular ring structure waveguides 6 is 10 μ m ~ 15 μ m.The length of described waveguide band 5 is 3000 μ m ~ 3500 μ m, and width is 200 μ m ~ 300 μ m.The exradius of described annulus waveguide 7 is 450 μ m ~ 500 μ m, and interior radius of circle is 350 μ m ~ 450 μ m.Described rectangle coupled waves guide block 9 comprises 4 rectangular waveguides, and the length of rectangular waveguide is 80 μ m ~ 120 μ m, and width is 40 μ m ~ 60 μ m, and the distance between rectangular waveguide is 10 μ m ~ 15 μ m.The height of described J-shaped waveguide 10 is 150 μ m ~ 200 μ m, and J-shaped lower end half radius of a circle is 50 μ m ~ 60 μ m.
embodiment 1
The length of substrate is 3200 μ m, and width is 1800 μ m.Waveguide band, the thickness of eight pawl circular ring structure waveguides is 15 μ m.The length of waveguide band is 3200 μ m, and width is 180 μ m.The exradius of annulus waveguide is 440 μ m, and interior radius of circle is 320 μ m.Rectangle coupled waves guide block comprises 4 rectangular waveguides, and the length of rectangular waveguide is 90 μ m, and width is 40 μ m, and the distance between rectangular waveguide is 10 μ m.The height of J-shaped waveguide is 180 μ m, and J-shaped lower end half radius of a circle is 60 μ m.Terahertz wave signal is inputted from first signal input end, in the time inputting from laser input end without additional laser, frequency is that the THz wave of 0.46THz is exported from signal output part through waveguide band, in the time having additional laser to input from laser input end, frequency is that the THz wave warp of 0.46THz can not be exported from signal output part, realizes switch on and off function.In the time that additional laser vertical is radiated in eight pawl circular ring structure waveguides, as shown in Figure 5, the THz wave that frequency is f=0.46THz is almost loss-free from the output of THz wave output terminal for the performance curve under the logical state of THz wave switch, and switch shows as logical; Under the condition without additional Ear Mucosa Treated by He Ne Laser Irradiation, THz wave is opened performance curve under off state as shown in Figure 6, and the transfer rate of the THz wave that frequency is f=0.46THz is only 0.028, and switch shows as disconnected.The on-off function of the THz wave that it is f=0.46THz that the THz wave switch of eight pawl circular ring structures of this explanation design has been realized frequency, and there is good performance.
Claims (7)
1. a THz wave switch for eight pawl circular ring structures, is characterized in that comprising first signal input end (1), laser input end (2), signal output part (3), substrate (4), waveguide band (5), eight pawl circular ring structure waveguides (6), substrate (4) is provided with waveguide band (5), eight pawl circular ring structure waveguides (6), eight pawl circular ring structure waveguides (6) are by annulus waveguide (7), eight-trigram type rectangle coupled waveguide (8) and J-shaped waveguide (10) composition, eight-trigram type rectangle coupled waveguide (8) comprises 8 rectangle coupled waves guide blocks (9), 8 rectangle coupled waves guide blocks (9) are arranged centered by the center of annulus waveguide (7), the end of 8 rectangle coupled waves guide blocks (9) is of coupled connections respectively at 8 J-shaped waveguides (10) one end, the other end of 8 J-shaped waveguides (10) and annulus waveguide (7) are of coupled connections, terahertz wave signal is inputted from first signal input end (1), in the time inputting from laser input end (2) without additional laser, frequency is that the THz wave of 0.46THz is exported from signal output part (3) through waveguide band (5), in the time having additional laser to input from laser input end (2), frequency is that the THz wave warp of 0.46THz can not, from signal output part (3) output, be realized switch on and off function.
2. the THz wave switch of a kind of eight pawl circular ring structures according to claim 1, is characterized in that the length of described substrate (4) is 3000 μ m ~ 3500 μ m, and width is 1600 μ m ~ 1800 μ m.
3. the THz wave switch of a kind of eight pawl circular ring structures according to claim 1, is characterized in that described waveguide band (5), and the thickness of eight pawl circular ring structure waveguides (6) is 10 μ m ~ 15 μ m.
4. the THz wave switch of a kind of eight pawl circular ring structures according to claim 1, is characterized in that the length of described waveguide band (5) is 3000 μ m ~ 3500 μ m, and width is 200 μ m ~ 300 μ m.
5. the THz wave switch of a kind of eight pawl circular ring structures according to claim 1, is characterized in that the exradius of described annulus waveguide (7) is 450 μ m ~ 500 μ m, and interior radius of circle is 350 μ m ~ 450 μ m.
6. the THz wave switch of a kind of eight pawl circular ring structures according to claim 1, it is characterized in that described rectangle coupled waves guide block (9) comprises 4 rectangular waveguides, the length of rectangular waveguide is 80 μ m ~ 120 μ m, width is 40 μ m ~ 60 μ m, and the distance between rectangular waveguide is 10 μ m ~ 15 μ m.
7. the THz wave switch of a kind of eight pawl circular ring structures according to claim 1, is characterized in that the height of described J-shaped waveguide (10) is 150 μ m ~ 200 μ m, and J-shaped lower end half radius of a circle is 50 μ m ~ 60 μ m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210564190.0A CN103018927B (en) | 2012-12-24 | 2012-12-24 | Terahertz wave switch of eight-claw ring structure |
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| CN201210564190.0A CN103018927B (en) | 2012-12-24 | 2012-12-24 | Terahertz wave switch of eight-claw ring structure |
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| CN103018927A CN103018927A (en) | 2013-04-03 |
| CN103018927B true CN103018927B (en) | 2014-12-10 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0929113A2 (en) * | 1998-01-06 | 1999-07-14 | TRW Inc. | Low-loss air suspended radially combined patch for N-way RF switch |
| CN101950092A (en) * | 2010-09-08 | 2011-01-19 | 天津大学 | Terahertz wave band vanadium oxide optical switch and preparation method thereof |
| CN102427150A (en) * | 2011-08-09 | 2012-04-25 | 电子科技大学 | Terahertz-band metamaterial with three resonance absorption peaks |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070229937A1 (en) * | 2006-03-31 | 2007-10-04 | Lothar Benedict Josef Moeller | Inexpensive terahertz wave generator |
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2012
- 2012-12-24 CN CN201210564190.0A patent/CN103018927B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0929113A2 (en) * | 1998-01-06 | 1999-07-14 | TRW Inc. | Low-loss air suspended radially combined patch for N-way RF switch |
| CN101950092A (en) * | 2010-09-08 | 2011-01-19 | 天津大学 | Terahertz wave band vanadium oxide optical switch and preparation method thereof |
| CN102427150A (en) * | 2011-08-09 | 2012-04-25 | 电子科技大学 | Terahertz-band metamaterial with three resonance absorption peaks |
Non-Patent Citations (1)
| Title |
|---|
| Eric R. Mueller，et al..Terahertz local oscillator for the Microwave Limb Sounder on the Aura satellite.《APPLIED OPTICS》.2007,第46卷(第22期),全文. * |
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