CN107768783A - A kind of side's loop filter - Google Patents
A kind of side's loop filter Download PDFInfo
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- CN107768783A CN107768783A CN201710975179.6A CN201710975179A CN107768783A CN 107768783 A CN107768783 A CN 107768783A CN 201710975179 A CN201710975179 A CN 201710975179A CN 107768783 A CN107768783 A CN 107768783A
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- Prior art keywords
- waveguide
- output port
- metal film
- port
- loop filter
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
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- Optical Integrated Circuits (AREA)
Abstract
The invention discloses a kind of side's loop filter, including upper-part, middle part, lower component, input port, output port, waveguide and metal film, the output port includes the first output port, second output port and the 3rd output port, waveguide includes first wave guide, second waveguide, 3rd waveguide, 4th waveguide, 5th waveguide and the 6th waveguide, metal film includes the first metal film and the second metal film, input port and the first output port are between upper-part and middle part, first metal film is provided with barrier between first wave guide and second waveguide and in second waveguide, second output port and the 3rd output port are between lower component and middle part, the second metal film is provided between 5th waveguide and the 4th waveguide.The present apparatus passes through thing of placing obstacles in the waveguide so that light is emitted from different output port, and light intensity can be controlled to analyze the energy of three output ports in the ratio of different output port, so as to realize the function of filtering and beam splitting.
Description
Technical field
The present invention relates to a kind of wave filter, specifically a kind of side's loop filter.
Background technology
Electronic technology is the principle according to electronics, with electronic device design and manufacture certain specific function circuit with
The science of solving practical problems, including information electronic technology and Power Electronic Technique Liang great branches.Information electronic technology includes
Analog (simulation) electronic technology and Digital (numeral) electronic technology.Electronic technology is that electronic signal is handled
Technology, the mode of processing mainly has：Generation, amplification, filtering and the conversion of signal.The information of electronic technology needs to propagate, and leans on
Be exactly waveform signal transmission, signal its generation, conversion, transmission each link may be due to environment and interference
Presence and distort, sometimes, even in quite a number of cases, this distortion is also very serious, so that signal and its being taken
The information of band is embedded among noise dearly, and people must filter to signal.People are mainly using wave filter to letter
Number filtered, the filter circuit that wave filter is made up of electric capacity, inductance and resistance.Wave filter can be to specific frequency in power line
Frequency beyond the frequency of rate or the frequency is effectively filtered out, and obtains the power supply signal of a specific frequency, or eliminate one
Power supply signal after specific frequency.
Square loop filter is a kind of conventional wave filter, and the research of other side's loop filter at present mainly has three ends
Mouthful, i.e. an input port and two output ports, but existing wave filter can not adjust the light intensity ratio of output port, this
Just inconvenience is brought for the use of people.
The content of the invention
It is an object of the invention to provide a kind of side's loop filter, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of side's loop filter, including upper-part, middle part, lower component, input port, output port, waveguide and metal film,
The output port includes the first output port, the second output port and the 3rd output port, and waveguide includes first wave guide, second
Waveguide, the 3rd waveguide, the 4th waveguide, the 5th waveguide and the 6th waveguide, metal film includes the first metal film and the second metal film, defeated
Inbound port and the first output port are between upper-part and middle part and input port and the first output port are located at two
Opposite direction, input port are connected by first wave guide with the first output port, the first metal film be located at first wave guide and
Be provided with barrier between second waveguide and in second waveguide, the both sides of second waveguide respectively with the top of the 3rd waveguide and
The top of six waveguides is connected, and the top of the bottom of the 3rd waveguide and the bottom of the 6th waveguide with the 4th waveguide is connected, the
Two output ports and the 3rd output port are between lower component and middle part and the second output port and the 3rd output port
The direction opposite positioned at two, the second output port are connected by the 5th waveguide with the 3rd output port, the 5th waveguide and
Be provided with the second metal film between four waveguides, the first metal film, the second metal film, second waveguide, the 3rd waveguide, the 4th waveguide and
6th waveguide is respectively positioned in middle part.
As the further scheme of the present invention：First wave guide, second waveguide, the 3rd waveguide, the 4th waveguide, the 5th waveguide and
6th waveguide uses hollow metal tube, and barrier is made using metal material.
As the further scheme of the present invention：The protuberance of metal material making is additionally provided with the left of middle part.
Compared with prior art, the beneficial effects of the invention are as follows：The present apparatus is reasonable in design, simple in construction, by waveguide
In place obstacles thing, light can be caused to be emitted from different output port, light intensity can be controlled in the ratio of different output port, can
Analyzed with the energy to three output ports, so as to realize the function of filtering and beam splitting；Protrusion is additionally provided with the device
Portion, it can prevent input port and the electromagnetic wave of the second output port from coupling, the accuracy of intensifier work.
Brief description of the drawings
Fig. 1 is the structural representation of square loop filter.
Fig. 2 is L in square loop filter4For 294nm, a length of 711.1nm of incident light wave field intensity map.
Fig. 3 is L in square loop filter4For 438nm, a length of 897.5nm of incident light wave field intensity map.
Fig. 4 is L in square loop filter4For 558nm, a length of 1098nm of incident light wave field intensity map.
Fig. 5 is L in square loop filter4For 438nm, a length of 680.4nm of incident light wave field intensity map.
Fig. 6 is L in square loop filter4For 438nm, a length of 975.3nm of incident light wave field intensity map.
Fig. 7 is L in square loop filter4For 526nm, a length of 1013nm of incident light wave field intensity map.
Fig. 8 is L in square loop filter4For 502nm, a length of 810.7nm of incident light wave field intensity map.
Fig. 9 is L in square loop filter4For 438nm, a length of 618.9nm of incident light wave field intensity map.
Wherein：1- input ports, the output ports of 2- first, the output ports of 3- second, the output ports of 4- the 3rd, 5- first waves
Lead, 6- second waveguides, the waveguides of 7- the 3rd, the waveguides of 8- the 4th, the waveguides of 9- the 5th, the waveguides of 10- the 6th, the metal films of 11- first, 12-
Second metal film, 13- barriers, 14- protuberances.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Refer to Fig. 1-9, a kind of side's loop filter, including upper-part, middle part, lower component, input port 1, output
Port, waveguide and metal film, the output port include the first output port 2, the second output port 3 and the 3rd output port 4,
Waveguide includes first wave guide 5, second waveguide 6, the 3rd waveguide 7, the 4th waveguide 8, the 5th waveguide 9 and the 6th waveguide 10, metal film
Including the first metal film 11 and the second metal film 12, the output port 2 of input port 1 and first is between upper-part and middle part
And the output port 2 of input port 1 and first is located at two opposite directions, input port 1 is defeated by first wave guide 5 and first
Exit port 2 is connected, and the first metal film 11 is provided with barrier between first wave guide 5 and second waveguide 6 and in second waveguide 6
Hinder thing 13, the both sides of second waveguide 6 are connected with the top of the 3rd waveguide 7 and the top of the 6th waveguide 10 respectively, the 3rd waveguide 7
Bottom and top of the bottom with the 4th waveguide 8 of the 6th waveguide 10 be connected, the second output port 3 and the 3rd output port
4 between lower component and middle part and the second output port 3 and the 3rd output port 4 are located at two opposite directions, the
Two output ports 3 are connected by the 5th waveguide 9 with the 3rd output port 4, are provided between the 5th waveguide 9 and the 4th waveguide 8
Second metal film 12, the first metal film 11, the second metal film 12, second waveguide 6, the 3rd waveguide 7, the 4th waveguide 8 and the 6th ripple
10 are led to be respectively positioned in middle part.First wave guide 5, second waveguide 6, the 3rd waveguide 7, the 4th waveguide 8, the 5th waveguide 9 and the 6th ripple
Lead 10 and use hollow metal tube, barrier 13 is made using metal material.Metal material system is additionally provided with the left of middle part
The protuberance 14 of work.
The present invention operation principle be：Waveguide is a kind of to be used for constraining or the structure of guide electromagnetic waves.First wave guide 5,
Two waveguides 6, the 3rd waveguide 7, the 4th waveguide 8, the 5th waveguide 9 and the 6th waveguide 10 use symmetrical structure, first wave guide 5,
The width of two waveguides 6, the 3rd waveguide 7, the 4th waveguide 8, the 5th waveguide 9 and the 6th waveguide 10 is W.First wave guide 5 and the 5th
The length of waveguide 9 is L1, the length of the waveguide 8 of second waveguide 6 and the 4th is L2, the length of the 3rd waveguide 7 and the 6th waveguide 10 is
L3, the thickness of the first metal film 11 and the second metal film 12 is D, and the width of barrier 13 is T, and barrier 13 arrives input port
1 distance is L4.Protuberance 14 on middle part, it can prevent the electromagnetic wave of the output port 3 of input port 1 and second from coupling occurs
Close, improve accuracy.
W width is 24nm, and D thickness is 12nm, L1Length be 1000nm, L2Length be 500nm, L3Length
For 452nm, change L4Length, can cause light from different output port be emitted, light intensity can be controlled in different output port
Ratio, the energy of three output ports can be analyzed, so as to realize filtering and beam splitting function.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (3)
- A kind of 1. side's loop filter, it is characterised in that including upper-part, middle part, lower component, input port, output port, Waveguide and metal film, the output port, which includes the first output port, the second output port and the 3rd output port, waveguide, to be included First wave guide, second waveguide, the 3rd waveguide, the 4th waveguide, the 5th waveguide and the 6th waveguide, metal film include the first metal film and Second metal film, input port and the first output port are between upper-part and middle part and input port and first exports Port is located at two opposite directions, and input port is connected by first wave guide with the first output port, the first metal film position Be provided with barrier between first wave guide and second waveguide and in second waveguide, the both sides of second waveguide respectively with the 3rd ripple The top led is connected with the top of the 6th waveguide, and the bottom of the 3rd waveguide and the bottom of the 6th waveguide are upper with the 4th waveguide Portion is connected, and the second output port and the 3rd output port are between lower component and middle part and the second output port and Three output ports are located at two opposite directions, and the second output port is connected by the 5th waveguide with the 3rd output port, the Be provided with the second metal film between five waveguides and the 4th waveguide, the first metal film, the second metal film, second waveguide, the 3rd waveguide, 4th waveguide and the 6th waveguide are respectively positioned in middle part.
- 2. side's loop filter according to claim 1, it is characterised in that the first wave guide, second waveguide, the 3rd ripple Lead, the 4th waveguide, the 5th waveguide and the 6th waveguide use hollow metal tube, barrier is made using metal material.
- 3. side's loop filter according to claim 1 or 2, it is characterised in that be additionally provided with the left of the middle part The protuberance that metal material makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710975179.6A CN107768783B (en) | 2017-10-19 | 2017-10-19 | Square annular filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710975179.6A CN107768783B (en) | 2017-10-19 | 2017-10-19 | Square annular filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107768783A true CN107768783A (en) | 2018-03-06 |
| CN107768783B CN107768783B (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710975179.6A Active CN107768783B (en) | 2017-10-19 | 2017-10-19 | Square annular filter |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354779A (en) * | 2011-09-30 | 2012-02-15 | 北京航空航天大学 | Miniaturized tunable bandstop filter |
| CN103515679A (en) * | 2013-10-09 | 2014-01-15 | 南京理工大学 | W wave band high-restrain minitype band-pass filter based on LTCC |
| CN104681903A (en) * | 2013-11-27 | 2015-06-03 | 哈尔滨飞羽科技有限公司 | Novel controllable dual-passband filter based on SRR (Split Ring Resonator) and DS-CSRR (dual-Split Complementary Split Ring Resonator) |
| CN105789786A (en) * | 2016-03-29 | 2016-07-20 | 西南大学 | Low-insertion-loss broadband filter based on SIW (substrate integrated waveguide) complementary open resonant rings |
| CN207572508U (en) * | 2017-10-19 | 2018-07-03 | 河北工程大学 | A kind of side's loop filter |
-
2017
- 2017-10-19 CN CN201710975179.6A patent/CN107768783B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354779A (en) * | 2011-09-30 | 2012-02-15 | 北京航空航天大学 | Miniaturized tunable bandstop filter |
| CN103515679A (en) * | 2013-10-09 | 2014-01-15 | 南京理工大学 | W wave band high-restrain minitype band-pass filter based on LTCC |
| CN104681903A (en) * | 2013-11-27 | 2015-06-03 | 哈尔滨飞羽科技有限公司 | Novel controllable dual-passband filter based on SRR (Split Ring Resonator) and DS-CSRR (dual-Split Complementary Split Ring Resonator) |
| CN105789786A (en) * | 2016-03-29 | 2016-07-20 | 西南大学 | Low-insertion-loss broadband filter based on SIW (substrate integrated waveguide) complementary open resonant rings |
| CN207572508U (en) * | 2017-10-19 | 2018-07-03 | 河北工程大学 | A kind of side's loop filter |
Non-Patent Citations (1)
| Title |
|---|
| QIAOFEN ZHU等: "Coupled metallic ring gap waveguide", 《OPTICS COMMUNICATIONS》 * |
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| Publication number | Publication date |
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| CN107768783B (en) | 2020-09-11 |
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