CN206270545U - 1 × 4 wavelength division multiplexer - Google Patents
1 × 4 wavelength division multiplexer Download PDFInfo
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- CN206270545U CN206270545U CN201621401514.9U CN201621401514U CN206270545U CN 206270545 U CN206270545 U CN 206270545U CN 201621401514 U CN201621401514 U CN 201621401514U CN 206270545 U CN206270545 U CN 206270545U
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- Prior art keywords
- optical fiber
- filter plate
- division multiplexer
- wavelength division
- lens
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- 230000003287 optical effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 7
- 238000002386 leaching Methods 0.000 claims description 6
- 238000009738 saturating Methods 0.000 claims description 2
- 239000011265 semifinished product Substances 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
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- 239000012528 membrane Substances 0.000 description 1
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Abstract
The utility model is related to a kind of 1 × 4 wavelength division multiplexer, including single optical fiber calibrator, four optical fiber collimators, wave carrier piece and filter plate, wherein described slide number is 1, filter plate number is 4, and the wavelength for filtering differs, described filter plate is interconnected with slide, described filter plate, single optical fiber calibrator and four optical fiber collimators are both secured on described substrate, adjustment single optical fiber calibrator makes hot spot be projected from the middle of filter plate, and 4 light of different wave length projected by filter plate are received using four optical fiber collimators, and the semi-finished product that will be assembled are placed in a box body, complete the assembling of whole wavelength division multiplexer.Using the wavelength division multiplexer of the device, because it uses four optical fiber collimators, than the structure for being connected and composed using 4 single channel devices in the prior art, occupy little space, reduce the difficulty of light path debugging, and the stability of light path is improve, there is cost performance higher compared to mill run, and be widely applied prospect.
Description
Technical field
The utility model is related to the wavelength-division multiplex field in fiber optic communication field, more particularly to fiber optic communication, specifically refers to
A kind of 1 × 4 wavelength division multiplexer.
Background technology
Wave division multiplexing WDM is by a series of carrying informations but the different optical signal synthesis of wavelength is a branch of, along simple optical fiber
Transmission, uses some way, by the separate communication technology of the optical signal of each different wave length again in receiving terminal.
Wavelength division multiplexer can effectively save fiber resource and networking cost, and it solves optical fiber shortage and the transparent biography of multi-service
Defeated two problems, are mainly used in Metropolitan Area Network (MAN) and converge and Access Layer, and construction network and can commence business in a short time, by
It is a kind of low price, high performance Transmission many advantages, such as it has low cost, low-power consumption, small size,
It is widely used in Metropolitan Area Network (MAN) transmission.
1 × 4 common at present wavelength division multiplexer, uses 4 single channel device cascades to form, and its fibre-optical bending is solid
It is scheduled in a box, its volume big (100mm × 80mm × 10mm), insertion loss are big.
Utility model content
In order to overcome above-mentioned the problems of the prior art, the utility model proposes a kind of small volume, insertion loss it is small 1
× 4 wavelength division multiplexers.
1 × 4 wavelength division multiplexer structure of the present utility model is specific as follows：
1 × 4 wavelength division multiplexer, including wave carrier piece and filter plate, it is mainly characterized by, 1 × 4 described wavelength division multiplexer
Also include a single optical fiber calibrator and one or four optical fiber collimators, described wave carrier piece and described filter plate leads at grade
Cross edge interconnection, described four optical fiber collimators are placed near described filtering bit end, and four optical fiber collimator with
Described single optical fiber calibrator, wave carrier piece and filter plate are placed on same plane, and described four optical fiber collimators with it is described
Single optical fiber calibrator is in the transmission path of optical signal.
It is preferred that described single optical fiber calibrator includes a lens and an optical fiber, described lens and described optical fiber phase
Connect, the input and output end of the single optical fiber calibrator are respectively optical fiber end and lens end, and described lens are C lens
Or non-spherical lens.
It is preferred that four described optical fiber collimators include optical fiber and lens, and described optical fiber is 4 with number of lenses
Individual, four described optical fiber are arranged in order in yi word pattern, and four described lens are connected and four described optical fiber respectively successively
One end, the input and output end of four optical fiber collimator are respectively lens end and optical fiber end, and described lens are C lens
Or non-spherical lens.
It is preferred that described filter plate includes glass and filtering film, wherein, described filtering film is affixed on described glass
On.
More preferably, the number of described filter plate is four, and four described filter plates post different filters including four
Go out the filter plate of the filtering film of wavelength, this four filter plates for posting the different filtering films for leaching wavelength are arranged in order, and this four
The individual filter plate for posting the different filtering films for leaching wavelength is connected with each other with described wave carrier piece by edge.
It is preferred that described wave carrier piece is the quadrangular that a cross section is right-angled trapezium, the upper bottom of described right-angled trapezium
Anti-reflection film is posted in the side of the corresponding quadrangular of hypotenuse of the side of corresponding quadrangular and described right-angled trapezium, and described is straight
High-reflecting film is posted in the side of the trapezoidal corresponding quadrangular in bottom in angle, the side of the corresponding quadrangular in upper bottom of described right-angled trapezium
Face is connected with the edge of described filter plate.
It is preferred that described wave carrier piece, filter plate, single optical fiber calibrator and four optical fiber collimators are mounted on a plane base
On plate, the planar substrates for being provided with described wave carrier piece, filter plate, single optical fiber calibrator and four optical fiber collimators are installed on one
In box body.
More preferably, described wave carrier piece is provided with dispensing region, described monochromatic light with the connecting portion of described filter plate
Dispensing region is also equipped with the face that fine collimater and four described optical fiber collimators are connected with described planar substrates.
Using this kind of 1 × 4 wavelength division multiplexer of structure, due to its using described filter plate with wave carrier piece on request, it is logical
Glue bonding is crossed, the cost of raw material is reduced, and make to lead to due to have adjusted the incident angle of the single optical fiber calibrator of entering light
The hot spot in road is projected in the middle of filter plate, and the debugging south for reducing light path is inspired confidence in, and described filter plate-wave carrier piece light path uses light
Road has glue to be pasted, and reduces the loss in the transmission of influence optical signal, also improves the stability of light path, and due to this reality
It is bonded on planar substrates with new, lifting surface area is big, improves the stability of light path, therefore performance of the present utility model
Mill run, extensive application prospect are above with cost performance.
Brief description of the drawings
Fig. 1 is the structural representation of 1 × 4 wavelength division multiplexer of the present utility model.
Fig. 2 is the side view of four optical fiber collimators of 1 × 4 wavelength division multiplexer of the present utility model.
Fig. 3 is the top view of four optical fiber collimators of 1 × 4 wavelength division multiplexer of the present utility model.
Fig. 4 is the top view of the single optical fiber calibrator of 1 × 4 wavelength division multiplexer of the present utility model.
Fig. 5 is the structural representation of the wave carrier piece of 1 × 4 wavelength division multiplexer of the present utility model.
Reference
1 box body
2 planar substrates
3 single optical fiber calibrators
4 four optical fiber collimators
5 filter plates
5.1 first filter plates
5.2 second filter plates
5.3 the 3rd filter plates
5.4 the 4th filter plates
6 wave carrier pieces
Specific embodiment
In order to preferably be illustrated to the technical solution of the utility model, carried out further especially exemplified by specific examples below
Explanation.
Fig. 1 is referred to, 1 × 4 wavelength division multiplexer, including wave carrier piece 6 and filter plate 5, it is mainly characterized by, and described 1
× 4 wavelength division multiplexers also include a single optical fiber calibrator 3 and one or four optical fiber collimators 4, described wave carrier piece 6 and described filtering
Piece 5 is connected with each other by edge at grade, and four described optical fiber collimators 4 are placed near the described end of filter plate 5,
It is and four optical fiber collimator 4 is placed on same plane with described single optical fiber calibrator 3, wave carrier piece 6 and filter plate 5 and described
Four optical fiber collimators 4 be in the transmission path of optical signal with described single optical fiber calibrator 3.
Refer to Fig. 3 and Fig. 2, described single optical fiber calibrator 3 includes a lens and an optical fiber, described lens with it is described
Optical fiber be connected with each other, the input and output end of the single optical fiber calibrator 3 are respectively optical fiber end and lens end, and described saturating
Mirror is C lens or non-spherical lens；Described four optical fiber collimators 4 include optical fiber and lens, and described optical fiber and number of lenses
Mesh is 4, and four described optical fiber are arranged in order in yi word pattern, and four described lens are connected and described four respectively successively
One end of root optical fiber, the input and output end of four optical fiber collimator 4 are respectively lens end and optical fiber end, and described lens
It is C lens or non-spherical lens.
Described filter plate 5 includes glass and filtering film, wherein, described filtering film is affixed on described glass, and institute
The number of the filter plate 5 stated is 4, and four described filter plates 5 include that four are posted the different filtering films for leaching wavelength
Filter plate 5, this four filter plates 5 for posting the different filtering films for leaching wavelength are arranged in order, and this four are posted difference and leached
The filter plate 5 of the filtering film of wavelength is connected with each other with described wave carrier piece 6 by edge.
Refer to Fig. 4, described wave carrier piece 6 is the quadrangular of right-angled trapezium for a cross section, described right-angled trapezium
Anti-reflection film is posted in the side of the corresponding quadrangular of the hypotenuse of side and described right-angled trapezium of the corresponding quadrangular in upper bottom, described
The side of the corresponding quadrangular in bottom of right-angled trapezium post high-reflecting film, the corresponding quadrangular in upper bottom of described right-angled trapezium
Side be connected with the edge of described filter plate 5.
Fig. 1 is referred to, in a kind of preferred embodiment, described wave carrier piece 6, filter plate 5, the and of single optical fiber calibrator 3
Four optical fiber collimators 4 are mounted on a planar substrates 2, and this is provided with described wave carrier piece 6, filter plate 5, single optical fiber calibrator
3 and four the planar substrates 2 of optical fiber collimator 4 be installed in a box body 1, and described wave carrier piece 6 and described filter plate 5 company
Socket part position is provided with dispensing region, described single optical fiber calibrator 3 and described four optical fiber collimators 4 and described planar substrates
Dispensing region is also equipped with 2 faces being connected.
In a kind of specific embodiment, 1 × 4 wavelength division multiplexer, including box body 1, planar substrates 2, single optical fiber calibrator
3rd, four optical fiber collimators 4, filter plate 5 and subcarrier plate.Its installation process is：
(1) wave carrier piece 6 of filter plate 5 is bonded on request using glue；
(2) the component glue of filter plate 5- wave carrier pieces 6 that will be glued is fixed on planar substrates 2；
(3) incident angle of adjustment entering light single optical fiber calibrator 3 makes the hot spot of 4 passages be projected in the middle of filter plate 5；
(4) the adjustment optical fiber collimator 4 of light extraction four receives 4 light of wavelength emitted by filter plate 5；
(5) optical fiber collimator 4 of single optical fiber calibrator 3 and four is fixed on planar substrates 2 using glue；
(6) semi-finished product that will be assembled are encapsulated in box body 1.
Fig. 3 is referred to, the single optical fiber calibrator 3 is that an optical fiber glue is fixed in capillary, and be fabricated to
Oblique 8 degree of optical fiber pigtail, and constituted with the lens of fixed curvature, its structure is as shown in Figure 4.
Fig. 2 is referred to, four optical fiber collimator 4 is by the two-core optical fiber of array four and constant spacing " V-type
Groove " is constituted, and is fabricated to oblique 8 degree of array fibre tail optical fiber, and connect the array lenses composition that 4 curvature are fixed.
The filter plate 5 is a kind of light source filter disc device, is that a kind of glass material is made, and in its face plated film,
It has fixed incident angle, it is possible to leach intrinsic wavelength, and the filter plate 5 includes posting the different filter membranes for filtering wavelength
Filter plate 5, respectively the first filter plate 5.1, the second filter plate 5.2, the 3rd filter plate 5.3 and the 4th filter plate 5.4.
Fig. 4 is referred to, the wave carrier piece 6 is that a kind of glass material is made, and anti-reflection film is plated in itself S1 and S3 face, with
And film is returned in S2 faces plating height, there is fixed incident angle in S3 faces.
The planar substrates 2 are that special alloy material is made, and to temperature-insensitive, its optics is assembled in above
It is not influenced by temperature.
Fig. 1 is referred to, in a kind of specific embodiment, when the device is multiplexed for partial wave, broadband optical signal input
The single fiber is input into collimater, and described 54 wavelength leached by it of filter plate realize partial wave.
In a kind of specific embodiment, when the device is multiplexed for multiplex, four described light of 4 single-point optical signal inputs
Four single-point optical signals being input into are carried out closing light by fine collimater 4, described filter plate 5, the four single-point optical signals that will be input into
Close in described single optical fiber calibrator 3, realize multiplex.
Two kinds of application forms of the above are all the filter plates realizes multiplex and partial wave.
Using this kind of 1 × 4 wavelength division multiplexer of structure, due to its using described filter plate with wave carrier piece on request, it is logical
Glue bonding is crossed, the cost of raw material is reduced, and make to lead to due to have adjusted the incident angle of the single optical fiber calibrator of entering light
The hot spot in road is projected in the middle of filter plate, and the debugging south for reducing light path is inspired confidence in, and described filter plate-wave carrier piece light path uses light
Road has glue to be pasted, and reduces the loss in the transmission of influence optical signal, also improves the stability of light path, and due to this reality
It is bonded on planar substrates with new, lifting surface area is big, improves the stability of light path, therefore performance of the present utility model
Mill run, extensive application prospect are above with cost performance.
In this description, the utility model is described with reference to its specific embodiment.But it is clear that still can be with
Various modification can be adapted and conversion is without departing from spirit and scope of the present utility model.Therefore, specification and drawings are considered as
It is illustrative and not restrictive.
Claims (8)
1. the wavelength division multiplexer of one kind 1 × 4, including wave carrier piece and filter plate, it is characterised in that 1 × 4 described wavelength division multiplexer is also
Including a single optical fiber calibrator and one or four optical fiber collimators, described wave carrier piece and described filter plate passes through at grade
Edge is connected with each other, and four described optical fiber collimators are placed near described filtering bit end, and four optical fiber collimator and institute
Single optical fiber calibrator, wave carrier piece and the filter plate stated are placed on same plane, and described four optical fiber collimators and described list
Optical fiber collimator is in the transmission path of optical signal.
2. 1 × 4 wavelength division multiplexer according to claim 1, it is characterised in that described single optical fiber calibrator includes that is saturating
Mirror and an optical fiber, described lens are connected with each other with described optical fiber, input and the output end difference of the single optical fiber calibrator
It is optical fiber end and lens end, and described lens are C lens or non-spherical lens.
3. 1 × 4 wavelength division multiplexer according to claim 1, it is characterised in that four described optical fiber collimators include optical fiber
With lens, and described optical fiber is 4 with number of lenses, and four described optical fiber are arranged in order in yi word pattern, and described four
Individual lens connect respectively successively with four described one end of optical fiber, the input and output end of four optical fiber collimator are respectively
Lens end and optical fiber end, and described lens are C lens or non-spherical lens.
4. 1 × 4 wavelength division multiplexer according to claim 1, it is characterised in that described filter plate includes glass and filtering
Film, wherein, described filtering film is affixed on described glass.
5. 1 × 4 wavelength division multiplexer according to claim 4, it is characterised in that the number of described filter plate is four,
And four described filter plates include four filter plates for posting the different filtering films for leaching wavelength, this four are posted difference and leached
The filter plate of the filtering film of wavelength is arranged in order, and this four filter plates for posting the different filtering films for leaching wavelength with it is described
Wave carrier piece is connected with each other by edge.
6. 1 × 4 wavelength division multiplexer according to claim 1, it is characterised in that described wave carrier piece is straight for a cross section
The trapezoidal quadrangular in angle, the side of the corresponding quadrangular in upper bottom of the right-angled trapezium of described right-angled trapezium and described right angle ladder
Anti-reflection film is posted in the side of the corresponding quadrangular of hypotenuse of shape, the side patch of the corresponding quadrangular in bottom of described right-angled trapezium
There is a high-reflecting film, the side of the corresponding quadrangular in upper bottom of described right-angled trapezium is connected with the edge of described filter plate.
7. 1 × 4 wavelength division multiplexer according to claim 1, it is characterised in that described wave carrier piece, filter plate, single fiber
Collimater and four optical fiber collimators are mounted on a planar substrates, and it is accurate that this is provided with described wave carrier piece, filter plate, single fiber
The planar substrates of straight device and four optical fiber collimators are installed in a box body.
8. 1 × 4 wavelength division multiplexer according to claim 7, it is characterised in that described wave carrier piece and described filter plate
Connecting portion be provided with dispensing region, described single optical fiber calibrator and four described optical fiber collimators and described plane base
Dispensing region is also equipped with the face that plate is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621401514.9U CN206270545U (en) | 2016-12-20 | 2016-12-20 | 1 × 4 wavelength division multiplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621401514.9U CN206270545U (en) | 2016-12-20 | 2016-12-20 | 1 × 4 wavelength division multiplexer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206270545U true CN206270545U (en) | 2017-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621401514.9U Expired - Fee Related CN206270545U (en) | 2016-12-20 | 2016-12-20 | 1 × 4 wavelength division multiplexer |
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| Country | Link |
|---|---|
| CN (1) | CN206270545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110927883A (en) * | 2018-09-20 | 2020-03-27 | 福州高意通讯有限公司 | Small-sized wavelength division multiplexer |
-
2016
- 2016-12-20 CN CN201621401514.9U patent/CN206270545U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110927883A (en) * | 2018-09-20 | 2020-03-27 | 福州高意通讯有限公司 | Small-sized wavelength division multiplexer |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 |
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| CF01 | Termination of patent right due to non-payment of annual fee |