CN203134941U - Terahertz filter with periodic double-opening resonance square ring structure - Google Patents
Terahertz filter with periodic double-opening resonance square ring structure Download PDFInfo
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- CN203134941U CN203134941U CN 201320022888 CN201320022888U CN203134941U CN 203134941 U CN203134941 U CN 203134941U CN 201320022888 CN201320022888 CN 201320022888 CN 201320022888 U CN201320022888 U CN 201320022888U CN 203134941 U CN203134941 U CN 203134941U
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Abstract
The utility model discloses a terahertz filter with a periodic double-opening resonance square ring structure, comprising a signal input terminal, a metal double-opening resonance square ring structure transmission layer, a substrate, and a signal output terminal. The metal double-opening resonance square ring structure transmission layer is connected with the substrate. The metal double-opening resonance square ring structure transmission layer includes 100*100 double-opening resonance square ring structure periodic units. The double-opening resonance square ring structure periodic unit includes a double opening square ring structure. Signals are input from the signal input terminal successively through the double-opening resonance square ring structure transmission layer and the substrate to the signal output terminal to achieve signal filtering. The filter has the advantages of high selectivity, wide bandwidth, simple structure, small size, small volume, light weight, saving material, easy production and easy integration.
Description
Technical field
The utility model relates to filter, relates in particular to the THz wave filter of the two opening resonance sides of a kind of periodicity ring structure.
Background technology
Between microwave and infrared radiation, the amount of information of this wave band accounts for about 50% of gross information content to THz wave in universe in electromagnetic spectrum.The THz science and technology combines the characteristic of electronics and photonic propulsion, relates to subjects such as physics, chemistry, optics, material science, microwave and millimeter wave electronics, is a typical front line science of intersecting, and also is a kind of radiation source new, that a lot of distinct advantages are arranged.Why it can cause that people pay close attention to widely, at first is that the spectrum of this wave band has important meaning for the exploration of the structure of matter because the tera-hertz spectra of material is comprising profuse physics and chemical information
In the last few years, the research of the actual generating technique in Terahertz source had obtained very big progress.Along with quantum cascade laser, free electron laser, light wave difference frequency method and the appearance that produces more powerful continuous THz wave method by optical rectification etc., and the progress of the Terahertz detection aspects such as research of superhet and direct detector, Terahertz Technology becomes the focus of broad research in the world wide gradually.A lot of countries all carry out the research of Terahertz aspect energetically in the world at present, and a lot of colleges and universities and research institute are engaged in Terahertz research at home.
The Terahertz system mainly is made up of radiation source, sensitive detection parts and various function element.In actual applications, because the restriction that application side's ambient noise and application need etc. need filtering unwanted frequency scope and noise, improve the performance of system, thereby the THz wave filter there is important use in practice.
THz wave filter construction current domestic and international research and that proposed is mainly based on structures such as photonic crystal, surface plasmas, these structures are often very complicated, and difficult in the actual fabrication process, cost is higher, and is also high to processing technology and the environmental requirement of processing side.So press for development simple in structure, that size is little, the THz wave filter of being convenient to processing and fabricating supports the THz wave application is proposed.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and the THz wave filter of the two opening resonance sides of a kind of periodicity ring structure is provided.
The THz wave filter of periodically two opening resonance sides ring structure is characterized in that comprising signal input part, the two opening resonance sides of metal ring structure transport layer, matrix, signal output part; Two openings resonance side ring structure transport layer links to each other with matrix, and two openings resonance side ring structure transport layer comprises 100 * 100 two opening resonance sides ring structure periodic units; Two openings resonance side ring metal periodic unit comprises two opening sides ring structure; Signal is imported from signal input part, passes through two opening resonance sides ring structure transport layer, matrix arriving signal output afterwards successively, realizes signal is carried out filtering.
The thickness of described pair of opening resonance side ring structure transport layer is 1～2 μ m.The thickness of described matrix is 200～400 μ m.Two described pair of adjacent opening resonance side ring structure periodic unit spacings are 10～15 μ m.The described metal side ring length of side is 65～70 μ m, and width is 8～10 μ m, and notch length is 8～10 μ m.The material of described matrix is the High Resistivity Si material, and the material of two openings resonance side ring structure transport layer is copper.
The utlity model has the selectivity height, bandwidth is big, simple in structure, size is little, volume is little, in light weight, economical with materials, be convenient to make and be easy to advantages such as integrated.
Description of drawings
Fig. 1 is the THz wave Filter Structures schematic diagram of periodically two opening resonance sides ring structure;
Fig. 2 is the structural representation of of the present utility model pair of opening resonance side ring structure transport layer;
Fig. 3 is the structural representation of of the present utility model pair of opening resonance side ring structure periodic unit;
Fig. 4 is the THz wave performance of filter curve of periodically two opening resonance sides ring structure.
Embodiment
Shown in Fig. 1～3, the THz wave filter of periodically two opening resonance sides ring structure, it comprises signal input part 1, the two opening resonance sides of metal ring structure transport layer 2, matrix 3, signal output part 4; Two openings resonance side ring structure transport layer 2 links to each other with matrix 3, and two openings resonance side ring structure transport layer 2 comprises N * N two opening resonance sides ring structure periodic unit 5; Two openings resonance side ring metal periodic unit 5 comprises two opening sides ring structure 6; Signal passes through two opening resonance sides ring structure transport layer 2, matrix 3 arriving signal output 4 afterwards successively from signal input part 1 input, realizes signal is carried out filtering.
The thickness of described pair of opening resonance side ring structure transport layer 2 is 1～2 μ m.The thickness of described matrix 3 is 200～400 μ m.Two described pair of adjacent opening resonance side ring structure periodic unit 5 spacings are 10～15 μ m.It is 65～70 μ m that the two opening resonance sides of described metal encircle 6 length of sides, and width is 8～10 μ m, and notch length is 8～10 μ m.The material of described matrix 3 is the High Resistivity Si material, and the material of two openings resonance side ring structure transport layer 2 is copper.
Embodiment 1:
It is as follows to set each parameter value: metal structure unit number is 100, and two openings resonance side ring structure transport layer is 1 μ m.The thickness of matrix is 200 μ m.Two adjacent two openings resonance side ring structure periodic unit spacings are 10 μ m.Metal side's ring length of side is 65～70 μ m, and width is 8～10 μ m, and notch length is 8～10 μ m.The material of described matrix is the High Resistivity Si material, and the material of two openings resonance side ring structure transport layer is copper.Recording this filter center Frequency point with THz-TDS is 0.907THz, and the return loss S11 of this point is-29dB that inserting loss S21 is-0.95dB that bandwidth is 0.035THz.
Claims (6)
1. the THz wave filter of the two opening resonance sides of a periodicity ring structure is characterized in that comprising signal input part (1), the two opening resonance side ring structure transport layers (2) of metal, matrix (3), signal output part (4); Two openings resonance side ring structure transport layer (2) links to each other with matrix (3), and two openings resonance side ring structure transport layer (2) comprises 100 * 100 two opening resonance side ring structure periodic units (5); Two openings resonance side ring metal periodic unit (5) comprises two opening side's ring structure (6); Signal passes through two opening resonance side ring structure transport layers (2), matrix (3) arriving signal output (4) afterwards successively from signal input part (1) input, realizes signal is carried out filtering.
2. the THz wave filter of the two opening resonance sides of a kind of periodicity according to claim 1 ring structure, the thickness that it is characterized in that described pair of opening resonance side ring structure transport layer (2) is 1～2 μ m.
3. the THz wave filter of the two opening resonance sides of a kind of periodicity according to claim 1 ring structure, the thickness that it is characterized in that described matrix (3) is 200～400 μ m.
4. the THz wave filter of the two opening resonance sides of a kind of periodicity according to claim 1 ring structure is characterized in that two adjacent described pair of opening resonance side ring structure periodic unit (5) spacings are 10～15 μ m.
5. the THz wave filter of the two opening resonance sides of a kind of periodicity according to claim 1 ring structure is characterized in that two opening resonance Fang Huan (6) length of sides of described metal are 65～70 μ m, and width is 8～10 μ m, and notch length is 8～10 μ m.
6. the THz wave filter of the two opening resonance sides of a kind of periodicity according to claim 1 ring structure, the material that it is characterized in that described matrix (3) is the High Resistivity Si material, the material of two openings resonance side ring structure transport layer (2) is copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022888 CN203134941U (en) | 2013-01-14 | 2013-01-14 | Terahertz filter with periodic double-opening resonance square ring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022888 CN203134941U (en) | 2013-01-14 | 2013-01-14 | Terahertz filter with periodic double-opening resonance square ring structure |
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| Publication Number | Publication Date |
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| CN203134941U true CN203134941U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320022888 Expired - Fee Related CN203134941U (en) | 2013-01-14 | 2013-01-14 | Terahertz filter with periodic double-opening resonance square ring structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109585985A (en) * | 2018-11-23 | 2019-04-05 | 中国计量大学 | Concentric squares divide the terahertz filter of shape engraved structure |
| CN111830599A (en) * | 2020-08-04 | 2020-10-27 | 重庆邮电大学 | Terahertz wave splitter applied to 6G wavelength division multiplexing system and manufacturing method thereof |
-
2013
- 2013-01-14 CN CN 201320022888 patent/CN203134941U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109585985A (en) * | 2018-11-23 | 2019-04-05 | 中国计量大学 | Concentric squares divide the terahertz filter of shape engraved structure |
| CN111830599A (en) * | 2020-08-04 | 2020-10-27 | 重庆邮电大学 | Terahertz wave splitter applied to 6G wavelength division multiplexing system and manufacturing method thereof |
| CN111830599B (en) * | 2020-08-04 | 2022-04-08 | 重庆邮电大学 | Terahertz wave splitter applied to 6G wavelength division multiplexing system and manufacturing method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140114 |