CN206638856U - A kind of wavelength division multiplexer - Google Patents
A kind of wavelength division multiplexer Download PDFInfo
- Publication number
- CN206638856U CN206638856U CN201720302724.0U CN201720302724U CN206638856U CN 206638856 U CN206638856 U CN 206638856U CN 201720302724 U CN201720302724 U CN 201720302724U CN 206638856 U CN206638856 U CN 206638856U
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- CN
- China
- Prior art keywords
- filter plate
- optical collimator
- upper substrate
- light
- plate
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Abstract
The utility model discloses a kind of wavelength division multiplexer, for wavelength division multiplexer technical field, including upper substrate and infrabasal plate, the upper substrate is provided with into optical collimator, light path reverse system and some filter plates, each filter plate is arranged in order on upper substrate, the light for entering optical collimator output can be sent into the incident side of first filter plate and the light that previous filter plate reflects can be sent into the incident side of the latter filter plate by the light path reverse system, the infrabasal plate be provided with support and corresponding each filter plate it is some go out optical collimator, the support be provided with position it is each it is described go out optical collimator groove, the upper substrate and infrabasal plate can match docking, and enable respectively to go out optical collimator after docking and receive the light projected by corresponding filter plate light emission side.The utility model installs out optical collimator using the support of fluting, improves reliability, reduces cost, also reduce the interference gone out in the prior art between optical collimator.
Description
Technical field
The utility model is used for wavelength division multiplexer technical field, more particularly to a kind of wavelength division multiplexer.
Background technology
Current LAN WDM technology, the technology of filter plate is also still mainly based upon, in a can closely
In son, the assembling of piece and the assembling of related collimator assembly are filtered, then metal box is sealed with parallel seam welding technology；
It is essentially all to be directly bonded in filter plate on one support at present as the assembling of filter plate, support can be metal,
It can also be glass, and have the part of hollow out, not influence light path, filter plate and support one component of bonding rear composition,
Then the component is placed directly on a substrate,（Some schemes, it is that support and substrate are integrated）, then, then with standard
For direct line system by outside the light-output box of needs, colimated light system can also use small-sized collimater, can also be directly using one kind
The technology of ball-type speculum and coated optical fibre；Component after assembling is put into a metal box closely again, with flat
Row seam weld technology is sealed.
According to above-mentioned, in existing technical scheme, structure is excessively complicated, using the substrate of integrated ball-type speculum, system
It is all very high to make precision and difficulty, bare fibre upper surface plated film is also that difficulty is big, and yield is not also high；Simultaneously in manufacturing process, coupling
Close and regulation difficulty is also very big；And domestic current scheme, filter plate is affixed directly on glass or ceramics bracket,
And coupled using the collimaters of lens types, this scheme, the precision prescribed for support be it is very high, support it is good
Rate and cost are also higher；Employ the components such as the higher right-angle prism of cost simultaneously.
Utility model content
To solve the above problems, the utility model, which provides one kind, can improve reliability, and reduce the wavelength division multiplexer of cost.
Technical scheme is used by the utility model solves its technical problem：A kind of wavelength division multiplexer, including upper substrate
And infrabasal plate, the upper substrate are provided with into optical collimator, light path reverse system and some filter plates, each filter plate is upper
It is arranged in order on substrate, the light for entering optical collimator output can be sent into the incident side of first filter plate by the light path reverse system
And the light that previous filter plate reflects can be sent into the incident side of the latter filter plate, the infrabasal plate is provided with support and right
Answer each filter plate it is some go out optical collimator, the support be provided with position it is each it is described go out optical collimator groove, the upper base
Plate and infrabasal plate can match docking, and enable after docking respectively to go out optical collimator and receive what is projected by corresponding filter plate light emission side
Light.
The improvement of technical solutions of the utility model is further used as, the light path reverse system includes being located at into optical collimator
The first order reflection mirror of offside, the tertiary reflex mirror for being located at filter plate offside and the light of first order reflection mirror can be reflexed to three-level
The secondary reflex mirror of speculum.
The improvement of technical solutions of the utility model is further used as, the filter plate, enters optical collimator and light path reversion system
System is by glue on the upper substrate.
Be further used as the improvement of technical solutions of the utility model, it is each it is described go out optical collimator by glue described
In groove.
The improvement of technical solutions of the utility model is further used as, the upper substrate is included with the filtering for tilting lower surface
Piece installing zone and it is downwardly projecting enter optical collimator fixed area, the infrabasal plate have can coordinate with the upper substrate dock it is upper
End face.
The improvement of technical solutions of the utility model, in addition to can are further used as, the can has and can accommodated
The inner chamber of the upper substrate and infrabasal plate and the cover plate for closing the inner chamber.
The improvement of technical solutions of the utility model is further used as, the can is connected with cover plate by parallel seam welding.
The beneficial effects of the utility model：The utility model is using upper substrate installation filter plate, such as optical collimator and light path
Reverse system, optical collimator is installed out using infrabasal plate, wavelength-division multiplex function is realized after upper substrate and infrabasal plate docking.This practicality
The new support using fluting installs out optical collimator, improves reliability, reduces cost, also reduces light extraction collimation in the prior art
Interference between device.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model supporting structure schematic diagram.
Embodiment
Reference picture 1, Fig. 2, that show the concrete structure of the preferred embodiment of the utility model.It will be detailed below
The design feature of each part of the utility model, and during if being described to direction (upper and lower, left and right, before and after), it is with Fig. 1
Shown structure is that reference describes, but actual use direction of the present utility model is not limited thereto.
The utility model provides a kind of wavelength division multiplexer, referring to Fig. 1, including upper substrate 1 and infrabasal plate 2, the upper base
Plate 1 be provided with some filter plates 31,32,33,34, enter optical collimator 4 and light path reverse system, the filter plate 31,32,33,
34th, optical collimator 4 and light path reverse system are entered by glue on the upper substrate 1.During installation, filter plate 31,32,
33rd, 34, enter optical collimator 4 and light path reverse system first passes through positioner pre-determined bit, be then uniformly pasted onto upper substrate 1 again
On, positioning is quick, accurate.Each filter plate 31,32,33,34 is arranged in order on upper substrate 1, the light path reverse system
The light that can will enter the incident side for the first filter plate 31 of light feeding that optical collimator 4 exports and previous filter plate can be reflected
The incident side of the latter filter plate is sent into, if the infrabasal plate 2 is provided with support 5 and corresponds to each filter plate 31,32,33,34
Optical collimator 61,62,63,64 is done, referring to Fig. 2, the support 5 is preferably ceramics bracket, and it is each that the support 5 is provided with positioning
It is described go out optical collimator 61,62,63,64 groove 51, it is each it is described go out optical collimator 61,62,63,64 by glue in institute
State in groove 51.The upper substrate 1 and infrabasal plate 2 can match docking, and make after docking respectively to go out optical collimator 61,62,63,64
The light projected by the corresponding light emission side of filter plate 31,32,33,34 can be received.The utility model is using the installation filtering of upper substrate 1
Piece, such as optical collimator and light path reverse system, optical collimator is installed out using infrabasal plate 2, after upper substrate 1 and infrabasal plate 2 dock
Realize wavelength-division multiplex function.The utility model installs out optical collimator using the support 5 of fluting, improves reliability, greatly reduces
Glue amount when collimater is fixed, reduces cost, also reduces because filler causes the interference between optical collimator.
Referring to Fig. 1, the light path reverse system includes being located at the first order reflection mirror 71 into the offside of optical collimator 4, being located at filter
The tertiary reflex mirror 73 of the offside of wave plate 31,32,33,34 and the light of first order reflection mirror 71 can be reflexed to tertiary reflex mirror 73
Secondary reflex mirror 72.The utility model, instead of the right-angle prism of Normal practice, realizes light path by the way of arrangement of mirrors
Reversion, reduce cost.
In order to realize the accurate docking of upper substrate 1 and infrabasal plate 2, referring to Fig. 1, the upper substrate 1 includes having under inclination
The filter plate installing zone of end face and it is downwardly projecting enter optical collimator fixed area, the infrabasal plate 2 has can be with the upper substrate 1
Coordinate the upper surface of docking.
Also include can, the can has and can accommodated described in the upper substrate 1 and the inner chamber of infrabasal plate 2 and closing
The cover plate of inner chamber.The can is connected with cover plate by parallel seam welding.
When the utility model is installed, carry out according to the following steps：
1. first pass through frock, by first order reflection mirror 71, secondary reflex mirror 72 and tertiary reflex mirror 73 and each filter plate 31,
32nd, 33,34 it is fixed on upper substrate 1；
2. then installing optical collimator 4 to upper substrate 1, incident light is regulated, makes incident optical energy all by four
The incident side light pass surface centre position of filter plate 31,32,33,34；
3. upper substrate 1 is installed on infrabasal plate 2；
4. fixed support 5 is on infrabasal plate 2；
5. and then respectively by the method for coupling insertion loss, optical collimator 61,62,63,64 will be gone out and be installed on support 5；（Branch
The surplus of regulation can be left by setting up timing）；
6. whole part is put into the can of compact, and fix；
7. cover plate is sealed by parallel seam welding.
Certainly, the invention is not limited to above-mentioned embodiment, and those skilled in the art are without prejudice to originally
Equivalent variations or replacement can be also made on the premise of utility model spirit, these equivalent modifications or replacement are all contained in the application
In claim limited range.
Claims (7)
- A kind of 1. wavelength division multiplexer, it is characterised in that：Including upper substrate and infrabasal plate, the upper substrate is provided with to be collimated into light Device, light path reverse system and some filter plates, each filter plate are arranged in order on upper substrate, and the light path reverse system can The light for entering optical collimator output is sent into the incident side of first filter plate and the light that previous filter plate reflects can be sent into The incident side of the latter filter plate, the infrabasal plate be provided with support and corresponding each filter plate it is some go out optical collimator, it is described Support be provided with position it is each it is described go out optical collimator groove, the upper substrate and infrabasal plate can match docking, and after docking Enable respectively to go out optical collimator and receive the light projected by corresponding filter plate light emission side.
- 2. wavelength division multiplexer according to claim 1, it is characterised in that：The light path reverse system includes being located at into light standard The first order reflection mirror of straight device offside, it is located at the tertiary reflex mirror of filter plate offside and the light of first order reflection mirror can be reflexed to The secondary reflex mirror of tertiary reflex mirror.
- 3. wavelength division multiplexer according to claim 1, it is characterised in that：The filter plate, enter optical collimator and light path is anti- Transfer from one department to another to unite by glue on the upper substrate.
- 4. wavelength division multiplexer according to claim 1, it is characterised in that：Go out optical collimator described in each by glue to exist In the groove.
- 5. wavelength division multiplexer according to claim 1, it is characterised in that：The upper substrate is included with inclination lower surface Filter plate installing zone and it is downwardly projecting enter optical collimator fixed area, the infrabasal plate, which has with the upper substrate to coordinate, dock Upper surface.
- 6. wavelength division multiplexer according to claim 1, it is characterised in that：Also include can, the can has can Accommodate the inner chamber of the upper substrate and infrabasal plate and close the cover plate of the inner chamber.
- 7. wavelength division multiplexer according to claim 6, it is characterised in that：The can is connected with cover plate by parallel seam welding Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720302724.0U CN206638856U (en) | 2017-03-24 | 2017-03-24 | A kind of wavelength division multiplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720302724.0U CN206638856U (en) | 2017-03-24 | 2017-03-24 | A kind of wavelength division multiplexer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206638856U true CN206638856U (en) | 2017-11-14 |
Family
ID=60262190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720302724.0U Active CN206638856U (en) | 2017-03-24 | 2017-03-24 | A kind of wavelength division multiplexer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206638856U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111630440A (en) * | 2018-01-22 | 2020-09-04 | 三菱电机株式会社 | Optical multiplexer/demultiplexer |
| CN112578503A (en) * | 2020-12-30 | 2021-03-30 | 广东国腾量子科技有限公司 | System for multi-wavelength signal common-fiber simultaneous transmission |
-
2017
- 2017-03-24 CN CN201720302724.0U patent/CN206638856U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111630440A (en) * | 2018-01-22 | 2020-09-04 | 三菱电机株式会社 | Optical multiplexer/demultiplexer |
| CN112578503A (en) * | 2020-12-30 | 2021-03-30 | 广东国腾量子科技有限公司 | System for multi-wavelength signal common-fiber simultaneous transmission |
| CN112578503B (en) * | 2020-12-30 | 2022-04-19 | 广东国腾量子科技有限公司 | System for multi-wavelength signal common-fiber simultaneous transmission |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Longhua Avenue Road dragon Qingcheng District heart Chau Street Guangzhou city Guangdong province 511500 No. 1 Patentee after: Guangdong yiyuantong Technology Co.,Ltd. Address before: Longhua Avenue Road dragon Qingcheng District heart Chau Street Guangzhou city Guangdong province 511500 No. 1 Patentee before: Qingyuan Yiyuantong Optoelectronics Technology Co.,Ltd. |