CN206804921U - The wavelength-division multiplex and demultiplexer of a kind of small-scale structure - Google Patents
The wavelength-division multiplex and demultiplexer of a kind of small-scale structure Download PDFInfo
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- CN206804921U CN206804921U CN201720678483.XU CN201720678483U CN206804921U CN 206804921 U CN206804921 U CN 206804921U CN 201720678483 U CN201720678483 U CN 201720678483U CN 206804921 U CN206804921 U CN 206804921U
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- wavelength
- demultiplexer
- small
- division multiplex
- scale structure
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Abstract
It the utility model is related to the wavelength-division multiplex and demultiplexer of a kind of small-scale structure.The utility model be just to provide it is a kind of it is compact-sized, cost is low, small volume, is easy to the system integration, the wavelength-division multiplex and demultiplexer of a kind of small-scale structure of multiplexing and demultiplexing function can be realized simultaneously.The wavelength-division multiplex and demultiplexer of a kind of small-scale structure, including housing and the three fiber optic collimator device assemblies at housing both ends, the optical filter I being successively set in housing, reflector plate component, optical filter II are separately positioned on, reflector plate component can reflect the incident light of its both sides.
Description
Technical field
The wavelength-division multiplex and demultiplexer of a kind of small-scale structure are the utility model is related to, belongs to optical fiber communication equipment field.
Background technology
Begin from the eighties in last century, Fibre Optical Communication Technology is flourished, in order to preferably utilize the band in optical fiber
Wide resource, wavelength-division multiplex（WDM, Wave-Division Multiplexing）System has obtained widely should in a communications system
With.Wavelength-division multiplex technique refers to the technology that transmission capacity is significantly improved in same root optical fiber.Wavelength-division multiplex technique is by multiple
Realized with demultiplexer.Traditional wavelength division multiplexer and demultiplexer are all accurate by single fiber collimater, filter plate and double-fiber
Straight device and covering tubulature are formed, and such device can be only done the function of multiplexing or demultiplexing.If needed in practical application same
When to realize the function of multiplexing and demultiplexing, it is necessary to such two devices are realized jointly, usually by multiplexer and demultiplex
It is encapsulated in device in a housing, because its package dimension is big, is unfavorable for the integrated of wavelength-division multiplex system.
The content of the invention
The utility model is aiming above mentioned problem, there is provided it is a kind of it is compact-sized, cost is low, small volume, is easy to system collection
Into, can realize simultaneously multiplexing and demultiplexing function a kind of small-scale structure wavelength-division multiplex and demultiplexer.
To achieve these goals, the utility model uses following scheme：A kind of wavelength-division multiplex of small-scale structure and demultiplex
With device, including housing and it is separately positioned on the three fiber optic collimator device assemblies at housing both ends, the optical filter being successively set in housing
Ith, reflector plate component, optical filter II, reflector plate component can reflect the incident light of its both sides.
Three fiber optic collimator device assemblies include three fibre-optic package sleeve pipes and three optical fiber groups being arranged in three fibre-optic package sleeve pipes
Part, collimation lens.
3 optical fiber of three optical fiber components are triangularly arranged.
3 optical fiber of three optical fiber components are in rods arranged in horizontal line.
Reflector plate component includes reflector plate and is fixed on housing inner glass tube, and 2 reflector plates are separately positioned in glass tube,
Reflector plate outer face is respectively 0.8 ~ 3 ° with optical filter I adjacent thereto, the end face angulation of optical filter II.
Reflectance coating is coated with the working face of reflector plate.
The beneficial effect of utility model
The utility model is by by three fiber optic collimator device assemblies, optical filter and the reflection subassembly spread configuration in shell, most
Big degree stacks light path, and wherein collimation lens is shared by incident and emitting light path, while can realize multiplexing and demultiplex
Function, space and the cost of wavelength-division multiplex and demultiplexer are greatly saved, overall volume of the present utility model is than existing
Have device it is half as large more than, it is compact-sized and be easily assembled, be easy to the system integration.Due to simple in construction, element uses few, drop
Low cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The wavelength-division multiplex and demultiplexer of a kind of small-scale structure include housing 6 and are separately positioned on three optical fiber at housing both ends
Collimator assembly 1,5, the optical filter I 2, reflector plate component 3, the optical filter II 4 that are successively set in housing, reflector plate component 3 can
Reflect the incident light of its both sides.
Three fiber optic collimator device assemblies 1,5 include three fibre-optic package sleeve pipes 102,502 and are arranged on three fibre-optic package sleeve pipes
102nd, three optical fiber components 101 in 502,501, collimation lens 103,503,3 optical fiber of three optical fiber components 101,501 are formed
1011st, 1012,1013,5011,5012,5013 it is triangularly arranged or in rods arranged in horizontal line.
Reflector plate component 3 includes 2 reflector plates 301,302 and glass tube 303, two reflector plates 301,302 one-tenth splayeds
It is arranged in glass tube 303, the outer face of reflector plate 301 end face of optical filter I 2 adjacent thereto is into 0.8 ~ 3 °；Reflector plate 302 with
The end face of its adjacent optical filter II 4 is into 0.8 ~ 3 °.The outer face of two reflector plates 301,302 of composition reflector plate component 3 is
Reflectance coating is coated with reflecting surface, the incident light from both sides can be reflected.
In use, incident light is from one in three optical fiber components 101 of the three fiber optic collimator device assemblies 1 of installation housing 6 one end
Inciding on collimation lens 103 in root optical fiber 1013, after collimation lens 103, it is changed into directional light and incides optical filter I 2
On, optical filter I 2 has filter function, and the light of a part of wavelength is reflected, and collimated lens 103 enter three optical fiber components 101
Projected in a piece optical fiber 1012；Optical filter I 2 transmits the reflector plate 301 of the light arrival reflection subassembly 3 of another part wavelength simultaneously
Reflecting surface, then reflect, then pass through optical filter I 2 successively, collimation lens 103, finally enter the another of three optical fiber components 101
Projected in a piece optical fiber 1011, so as to, into two different optical fiber, complete to demultiplex by two Wavelength Assignments in an optical fiber
Function.Meanwhile also three fiber optic collimator device assemblies 5 of the incident light of two beam different wave lengths from the installation other end of housing 6
Injected in two optical fiber 5011 and 5012 of three optical fiber components 501, collimated lens 503 are changed into directional light, incide optical filter
On II 4, wherein the light in 5012 passes through the reflection of optical filter II 4, collimated lens 503 enter the optical fiber 5013 of three optical fiber components
In, while the light in 5011 passes through optical filter II 4, reaches the reflecting surface of the reflector plate 302 of reflection subassembly 3, reflects, then pass through
Optical filter II 4 is crossed, collimation lens 502, finally enters and is projected in the optical fiber 5013 of three optical fiber components 501, i.e., by 5012 and 5011
In photosynthetic to one optical fiber 5013 of the different wave length of two optical fiber, so as to complete the function of multiplexing.
Claims (6)
1. the wavelength-division multiplex and demultiplexer of a kind of small-scale structure, it is characterised in that including housing and be separately positioned on housing both ends
Three fiber optic collimator device assemblies, the optical filter I, reflector plate component, the optical filter II that are successively set in housing, reflector plate component can
Reflect the incident light of its both sides.
2. the wavelength-division multiplex and demultiplexer of a kind of small-scale structure as claimed in claim 1, it is characterised in that three fiber optic collimators
Device assembly includes three fibre-optic package sleeve pipes and three optical fiber components, the collimation lens that are arranged in three fibre-optic package sleeve pipes.
3. the wavelength-division multiplex and demultiplexer of a kind of small-scale structure as claimed in claim 2, it is characterised in that three optical fiber components
3 optical fiber be triangularly arranged.
4. the wavelength-division multiplex and demultiplexer of a kind of small-scale structure as claimed in claim 2, it is characterised in that three optical fiber components
3 optical fiber be in rods arranged in horizontal line.
5. the wavelength-division multiplex and demultiplexer of a kind of small-scale structure as claimed in claim 1, it is characterised in that reflector plate component
Including reflector plate and being fixed on housing inner glass tube, 2 reflector plates are separately positioned in glass tube, reflector plate outer face respectively and
Optical filter I adjacent thereto, the end face angulation of optical filter II are 0.8 ~ 3 °.
6. the wavelength-division multiplex and demultiplexer of a kind of small-scale structure as claimed in claim 5, it is characterised in that the work of reflector plate
Make to be coated with reflectance coating on face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720678483.XU CN206804921U (en) | 2017-06-13 | 2017-06-13 | The wavelength-division multiplex and demultiplexer of a kind of small-scale structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720678483.XU CN206804921U (en) | 2017-06-13 | 2017-06-13 | The wavelength-division multiplex and demultiplexer of a kind of small-scale structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206804921U true CN206804921U (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720678483.XU Active CN206804921U (en) | 2017-06-13 | 2017-06-13 | The wavelength-division multiplex and demultiplexer of a kind of small-scale structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866897A (en) * | 2021-09-30 | 2021-12-31 | 苏州伽蓝致远电子科技股份有限公司 | Compact wavelength division multiplexer and wavelength division multiplexing system |
-
2017
- 2017-06-13 CN CN201720678483.XU patent/CN206804921U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866897A (en) * | 2021-09-30 | 2021-12-31 | 苏州伽蓝致远电子科技股份有限公司 | Compact wavelength division multiplexer and wavelength division multiplexing system |
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