CN205899074U - Wavelength -division multiplexing optical device and wavelength -decomposition multiplexing optical device - Google Patents
Wavelength -division multiplexing optical device and wavelength -decomposition multiplexing optical device Download PDFInfo
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- CN205899074U CN205899074U CN201620720224.4U CN201620720224U CN205899074U CN 205899074 U CN205899074 U CN 205899074U CN 201620720224 U CN201620720224 U CN 201620720224U CN 205899074 U CN205899074 U CN 205899074U
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Abstract
The utility model discloses a wavelength -division multiplexing optical device and wavelength -decomposition multiplexing optical device, wavelength devision multiplex separate multiplexing device and include base plate and a plurality of light filter to and place the reflect meter in surface one side of base plate, and the base plate includes relative first surface, second surface, a plurality of light filters correspond respectively to be placed on first surface and second surface. Every way light beam on upper strata arrives the lower floor after two perpendiculars reflections of the correspondence of reflect meter, incide the corresponding light filter of the first surface of base plate respectively on, when the light filter incident of incident ray from the first surface, arrives the filter plate reflection back on the relative second surface, with the photosynthetic wave rear of input of the same kind of filter plate transmission on the second surface, arrive the next filter plate of opposite face, close the ripples for behind the light all the way through filter plate reflection many times, the transparent surface of following the first surface jets out. The wavelength devision multiplex reconciliation that can accomplish multichannel light through this design is multiplexing, and the mechanism is compact, easily processes and produces.
Description
Technical field
This utility model is related to optical device, fiber optic communication field, wavelength-division optic communication (wdm) network, and more particularly, to one kind should
Wavelength-division multiplex optical device for the cramped construction in high speed optical communication device, module and system and Wave Decomposition multiplexed optical device
Part.
Background technology
Result in the solid demand to broadband for the world market from the construction of cloud computing, data center, mobile Internet etc.,
Optical communication network employs enormous bandwidth resource and the fiber medium of excellent transmission performance, can meet ever-increasing number
Requirement according to business, Internet resources etc..Key core device as high speed optical fiber communication and technology, development can support
The optical device of 100gb/s, 400gb/s and its faster transfer rate becomes the emphasis of global development and investment.Industry is adopted at present
Solution is the method using collimating optics, and the optical signal of relatively low for multichannel transfer rate is multiplexed into an optical fiber
In, such as 40gb/s be exactly by 4 road 10gb/s transfer rates, have different wave length optical signal be multiplexed in an optical fiber pass
Defeated, or the optical signal of 40gb/s speed is demultiplexed into the 10gb/s optical signal that 4 tunnels have the parallel transmission of different wave length.
Therefore, how to realize miniaturization, low cost 40gb/s, 100gb/s and faster transfer rate parallel transmission optical device become
For the most important thing, in these optical devices, the wavelength-division multiplex demultiplexing optical device of structure compact to design is key skill therein
One of art.
Content of the invention
The purpose of this utility model is directed to the above-mentioned market demand it is proposed that a kind of wavelength-division multiplex of new cramped construction
Optical device and Wave Decomposition multiplexing optical device, of the present utility model with low cost, process is simple, need not high accuracy optical registration equipment,
It is easy to produce in enormous quantities.
The technical solution of the utility model is:
A kind of wavelength-division multiplex optical device, including substrate, multiple optical filter and be placed on the anti-of one surface of substrate side
Injection device it is characterised in that:
Substrate includes relative first surface, second surface, and multiple optical filters are correspondingly placed at first surface and respectively
On two surfaces；Every road light beam on upper strata reaches lower floor after corresponding two vertical two secondary reflections of reflection unit, respectively
Incide on each self-corresponding optical filter of first surface of substrate, after transmitting in substrate, arrive separately at relative second surface
Upper each self-corresponding filter plate, after self-corresponding filter plate reflection each on second surface, and respective on second surface
After the photosynthetic ripple in another road of corresponding filter plate transmission, reach the next filter plate of opposite face, on two surfaces of substrate
Each filter plate multiple reflections, after all light beams close Bo Wei mono- road light, the transparent surface from first surface projects.
Described wavelength-division multiplex optical device it is characterised in that: described reflection unit be two of triangular prism mutually vertical
Straight face, is totally reflected to incident light beam, or two reflecting mirrors for being disposed vertically.
Described wavelength-division multiplex optical device it is characterised in that: the first surface of described substrate, second surface are parallel two
Individual face.
Described wavelength-division multiplex optical device it is characterised in that: each optical filtering on the first surface of described substrate, second surface
Piece is parallel equidistant arrangement.
Described wavelength-division multiplex optical device it is characterised in that: described light wavelength-division optical filter be bandpass filter.
A kind of Wave Decomposition is multiplexed optical device, including substrate, multiple optical filter and be placed on one surface of substrate side
Reflection unit it is characterised in that:
Substrate includes relative first surface, second surface, and multiple optical filters are correspondingly placed at first surface and respectively
On two surfaces；Light beam of light combination is incident from substrate first surface lower floor light inlet, after transmitting, reaches the second relative table in substrate
Corresponding filter plate on face, road light beam transmission on this filter plate is gone out, and remaining light beam reflects on this filter plate, in substrate
After interior transmission, reach next corresponding filter plate on relative first surface, road light beam transmission on this filter plate is gone out,
Remaining light beam reflects on this filter plate, until completing the demultiplexing of last light beam；At first surface, demultiplexed is flat
Reach upper strata herein after corresponding two vertical two secondary reflections of the reflection unit that row light beam is placed to project.In second surface
Place, demultiplexed collimated light beam directly projects.
Described Wave Decomposition be multiplexed optical device it is characterised in that: described reflection unit be two of triangular prism mutually
Vertical face, is totally reflected to incident light beam, or two reflecting mirrors for being disposed vertically.
Described in 1 Wave Decomposition multiplexing optical device it is characterised in that: the first surface of described substrate, second surface be parallel
Two faces.
Described Wave Decomposition multiplexing optical device it is characterised in that: each filter on the first surface of described substrate, second surface
Mating plate is parallel equidistant arrangement.
Described Wave Decomposition multiplexing optical device it is characterised in that: described light wavelength-division optical filter is bandpass filter.
Of the present utility model with low cost, process is simple, need not high accuracy optical registration equipment it is easy to produce in enormous quantities.
Brief description
Fig. 1 is wavelength division multiplexed light device junction composition of the present utility model.
Fig. 2 is the light path principle figure in this utility model wavelength division multiplexed light device substrate.
Fig. 3 is Wave Decomposition multiplexed optical device junction composition of the present utility model.
Fig. 4 is the light path principle figure in this utility model Wave Decomposition multiplexed optical device substrate.
Fig. 5 is another kind wavelength division multiplexed light device junction composition of the present utility model.
Fig. 6 is this bright wavelength-division demultiplexing and 2 kinds of functions of demultiplexing realize schematic diagram within the same layer.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the application is described in detail.But these embodiments do not limit
The application processed, structure, method or conversion functionally that those of ordinary skill in the art is made according to these embodiments are equal
It is included in the protection domain of the application.
In each diagram of the application, for the ease of diagram, structure or partial some sizes can be with respect to other knots
Structure or part are exaggerated, and therefore, are only used for illustrating the basic structure of the theme of the application.
In addition, used herein for example " on ", " top ", D score, the term of the representation space relative position such as " lower section " be
A unit as shown in the drawings or feature to be described with respect to another unit or feature for being easy to descriptive purpose
Relation.The term of relative space position can be intended to including equipment using or work in addition to orientation shown in figure not
Same orientation.For example, if by the upset of the equipment of in figure, be described as being located at other units or feature " lower section " or " under "
Unit will be positioned at other units or feature " top ".Therefore, exemplary term " lower section " can include above and below both
Orientation.Equipment can otherwise be directed (ratating 90 degrees or other directions), and correspondingly explains used herein and empty
Between related description language.
As shown in Figure 1 and Figure 2, wavelength-division multiplex optical device of the present utility model includes fully reflecting surface 101 and fully reflecting surface 101
Vertically disposed fully reflecting surface 102, is arranged on the first surface 106 of substrate 103 and each four optical filters of second surface 105
104, the 4 road light beam λ on upper strata5、λ6、λ7、λ8Under reaching after the fully reflecting surface 101 of reflection unit and fully reflecting surface 102 reflection
Layer λ1、λ2、λ3、λ4Same plane, by the optical filter 104 being arranged on the first surface of substrate 103, transmits in substrate 103
Afterwards, reach the filter plate 104 on relative second surface, after filter plate 104 reflection on second surface, and through the second table
The light λ of filter plate 104 transmission on face1、λ2、λ3、λ4After closing ripple, project from the light-transmitting opening of first surface.
The foregoing is only preferred embodiment of the present utility model, Fig. 5 is that another kind of the present utility model is preferably real
Apply example.It is completely reflecting mirror from the filter plate on the second surface 105 unlike Fig. 1, being arranged on substrate 103.
As shown in Figure 3, Figure 4, Wave Decomposition of the present utility model is multiplexed optical device, including substrate 303, multiple optical filter 304
And it is placed on the reflection unit of 303 1 surfaces of substrate side, reflection unit is made up of reflecting surface 301 and reflecting surface 302.
Substrate 303 includes relative first surface 306, second surface 305, and eight optical filters 304 are correspondingly placed at respectively
On first surface 306 and second surface 305；Light beam of light combination comprises λ1、λ2、λ3、λ4、λ5、λ6、λ7、λ8, light beam of light combination is from substrate 303
First surface 306 light inlet is incident, after transmitting, reaches corresponding filter plate on relative second surface 305 in substrate 303
304, light beam λ1Transmission on this filter plate is gone out, and remaining light beam reflects on this filter plate, after transmitting, reaches phase in substrate
To first surface on next corresponding filter plate, light beam λ5Transmission on this filter plate is gone out, remaining light beam here filtering
Reflect on piece, until completing the demultiplexing of last light beam.At first surface, demultiplexed collimated light beam λ5、λ6、λ7、λ8
Reach upper strata after corresponding two vertical two secondary reflections of the reflection unit placed herein to project.At second surface, solution
The collimated light beam λ being multiplexed out1、λ2、λ3、λ4Directly project.
As shown in fig. 6, wavelength-division demultiplexing and 2 kinds of functions of demultiplexing are realized within the same layer.Substrate 603 includes relative
One surface 606, second surface 605, multiple optical filters 604 and multiple reflector plate 607 are correspondingly placed at first surface 606 He respectively
On second surface 605；And it is respectively separated placement on this two surfaces, optical filter 604 is adjacent to reflector plate 607.Light beam of light combination bag
Containing λa、λb、λc、λc, light beam of light combination is incident from substrate 603 first surface 606 light inlet, after transmitting substrate 603 in, arrival phase
To second surface 605 on corresponding filter plate 604, light beam λaTransmission on this filter plate is gone out, remaining light beam here filtering
Reflect on piece, after transmitting in substrate, reach corresponding reflector plate 607 back reflection on relative first surface 606, reach second
On corresponding filter plate 604 on surface 605, light beam λbTransmission on this filter plate is gone out, until completing last light beam λdSolution
Multiplexing.Complete demultiplexing function.
Be multiplexed function is accomplished by collimated light beam λ1、λ2、λ3、λ4The reflection unit placed at first surface 606
Lower floor is reached, it is right above first surface 606 to incide respectively behind corresponding two vertical reflection faces 601 and 602 liang of secondary reflections
The optical filter 604 answered, after reflector plate 607 reflection on second surface 605, incides adjacent above first surface 606
Optical filter 604, complete and adjacent beams close ripple, be finally synthesizing a road light beam and directly project from the light-emitting window of first surface 606.
According to principles described above and embodiment it would be desirable to the optical signal of wavelength-division multiplex or wavelength-division demultiplexing is divided into up and down
Then optical signal from upper and lower two-layer light path is demultiplexed by two-layer light path again in same layer wavelength-division multiplex or wavelength-division, can
Ensure the performance of wavelength-division multiplex demultiplexing, can guarantee that optical registration precision and coupling efficiency again, whole technological process is simple, to technique
Equipment precision requirement low it is easy to actual production.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in this utility model
Protection domain within.
Claims (10)
1. a kind of wavelength-division multiplex optical device, including substrate, multiple optical filter and the reflection being placed on one surface of substrate side
Device it is characterised in that:
Substrate includes relative first surface, second surface, and multiple optical filters are correspondingly placed at first surface and the second table respectively
On face；Every road light beam on upper strata reaches lower floor after corresponding two vertical two secondary reflections of reflection unit, incident respectively
To on each self-corresponding optical filter of first surface of substrate, after transmitting in substrate, arrive separately at each on relative second surface
Self-corresponding filter plate is after self-corresponding filter plate reflection each on second surface, and respective corresponding on second surface
After the photosynthetic ripple in another road of filter plate transmission, reach the next filter plate of opposite face, each filter on two surfaces of substrate
Wave plate multiple reflections, after all light beams close Bo Wei mono- road light, the transparent surface from first surface projects.
2. wavelength-division multiplex optical device according to claim 1 it is characterised in that: described reflection unit is triangular prism
Two orthogonal faces, are totally reflected to incident light beam, or two reflecting mirrors for being disposed vertically.
3. wavelength-division multiplex optical device according to claim 1 it is characterised in that: the first surface of described substrate, the second table
Face is parallel two face.
4. wavelength-division multiplex optical device according to claim 1 it is characterised in that: the first surface of described substrate, the second table
Each optical filter on face is parallel equidistant arrangement.
5. wavelength-division multiplex optical device according to claim 1 it is characterised in that: described light wavelength-division optical filter be band logical filter
Mating plate.
6. a kind of Wave Decomposition is multiplexed optical device, including substrate, multiple optical filter and be placed on the anti-of one surface of substrate side
Injection device it is characterised in that:
Substrate includes relative first surface, second surface, and multiple optical filters are correspondingly placed at first surface and the second table respectively
On face；Light beam of light combination is incident from substrate first surface lower floor light inlet, after transmitting, reaches on relative second surface in substrate
Corresponding filter plate, road light beam transmission on this filter plate is gone out, and remaining light beam reflects on this filter plate, passes in substrate
After defeated, reach next corresponding filter plate on relative first surface, road light beam transmission on this filter plate is gone out, remaining
Light beam reflects on this filter plate, until completing the demultiplexing of last light beam, at first surface, demultiplexed directional light
Reach upper strata after restrainting corresponding two vertical two secondary reflections of reflection unit placed herein to project；At second surface,
Demultiplexed collimated light beam directly projects.
7. Wave Decomposition according to claim 6 multiplexing optical device it is characterised in that: described reflection unit is triangular prism
Two orthogonal faces of mirror, are totally reflected to incident light beam, or two reflecting mirrors for being disposed vertically.
8. Wave Decomposition according to claim 6 multiplexing optical device it is characterised in that: the first surface of described substrate, second
Surface is parallel two face.
9. Wave Decomposition according to claim 6 multiplexing optical device it is characterised in that: the first surface of described substrate, second
Each optical filter on surface is parallel equidistant arrangement.
10. Wave Decomposition according to claim 6 multiplexing optical device it is characterised in that: described light wavelength-division optical filter is band
Pass filter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620720224.4U CN205899074U (en) | 2016-07-08 | 2016-07-08 | Wavelength -division multiplexing optical device and wavelength -decomposition multiplexing optical device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620720224.4U CN205899074U (en) | 2016-07-08 | 2016-07-08 | Wavelength -division multiplexing optical device and wavelength -decomposition multiplexing optical device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106019486A (en) * | 2016-07-08 | 2016-10-12 | 武汉锐奥特科技有限公司 | Wavelength division multiplexing optical device and wavelength division de-multiplexing optical device |
| CN110082863A (en) * | 2018-01-25 | 2019-08-02 | 苏州旭创科技有限公司 | Wavelength-division multiplex Deplexing apparatus |
| CN110646900A (en) * | 2019-09-24 | 2020-01-03 | 武汉光迅科技股份有限公司 | Optical module |
| CN110785686A (en) * | 2017-08-10 | 2020-02-11 | 卢克斯特拉有限公司 | Free space CWDM MUX/DEMUX for integration with silicon photonics platforms |
| CN110888199A (en) * | 2019-10-30 | 2020-03-17 | 宁波环球广电科技有限公司 | Multichannel compact wavelength division multiplexing high-speed optical device |
| CN114895407A (en) * | 2022-05-27 | 2022-08-12 | 苏州天孚光通信股份有限公司 | Wavelength division multiplexing assembly and device |
-
2016
- 2016-07-08 CN CN201620720224.4U patent/CN205899074U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106019486A (en) * | 2016-07-08 | 2016-10-12 | 武汉锐奥特科技有限公司 | Wavelength division multiplexing optical device and wavelength division de-multiplexing optical device |
| CN110785686A (en) * | 2017-08-10 | 2020-02-11 | 卢克斯特拉有限公司 | Free space CWDM MUX/DEMUX for integration with silicon photonics platforms |
| CN110082863A (en) * | 2018-01-25 | 2019-08-02 | 苏州旭创科技有限公司 | Wavelength-division multiplex Deplexing apparatus |
| CN110646900A (en) * | 2019-09-24 | 2020-01-03 | 武汉光迅科技股份有限公司 | Optical module |
| CN110888199A (en) * | 2019-10-30 | 2020-03-17 | 宁波环球广电科技有限公司 | Multichannel compact wavelength division multiplexing high-speed optical device |
| CN114895407A (en) * | 2022-05-27 | 2022-08-12 | 苏州天孚光通信股份有限公司 | Wavelength division multiplexing assembly and device |
| CN114895407B (en) * | 2022-05-27 | 2023-05-23 | 苏州天孚光通信股份有限公司 | Wavelength division multiplexing assembly and device |
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