CN206489297U - 1 x 8 subminiature wavelength division multiplexer - Google Patents
1 x 8 subminiature wavelength division multiplexer Download PDFInfo
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- CN206489297U CN206489297U CN201621402644.4U CN201621402644U CN206489297U CN 206489297 U CN206489297 U CN 206489297U CN 201621402644 U CN201621402644 U CN 201621402644U CN 206489297 U CN206489297 U CN 206489297U
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- Prior art keywords
- wavelength division
- division multiplexer
- microminiature
- optical fiber
- filter plate
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- 241000826860 Trapezium Species 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 4
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- 239000003292 glue Substances 0.000 abstract description 14
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- 238000005516 engineering process Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
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Abstract
The utility model relates to a 1X 8 subminiature wavelength division multiplexer, which comprises a box bod, the base plate, single fiber collimator, array fiber collimator, filter and carrier, glue is earlier bonded the filter as required with glue for the carrier, then fix the filter for the piece subassembly that glues well on the base plate, and adjust the incident angle who advances light single fiber collimator and make 4 passageways facula jet out in the middle of the filter, reuse light-emitting array fiber collimator receives the light of 4 wavelengths that launch out, then use glue to fix single fiber collimator and array collimator on the base plate, encapsulate the semi-manufactured goods that assemble at last in the box body again. The utility model discloses subminiature wavelength division multiplexer is small, but insertion loss is little, wide application in fields such as optical network system, multichannel light signal control, light exchange connected system, optic fibre debugging and measurement system, wavelength division multiplexing system.
Description
Technical field
The utility model is related to field of optical networks, more particularly to wavelength division multiplexer field, specifically refers to one kind 1 × 8 extra small
Type wavelength division multiplexer.
Background technology
WDM (wavelength-division multiplexing, FDM) be by a series of carrying informations but wavelength not
Same optical signal synthesis is a branch of, is transmitted along simple optical fiber；Some way is used again in receiving terminal, and the light of each different wave length is believed
Number separated communication technology.This technology can transmit multiple signals on an optical fiber simultaneously, per signal all the way all by certain
The light of specific wavelength is transmitted, here it is a wavelength channel.
Two or more optical wavelength signals are allowed each to be transmitted by different optical channels simultaneously in same optical fiber
Information, referred to as light WDM technology, abbreviation WDM.OWDM includes frequency division multiplexing and wavelength-division multiplex.Optical frequency division multiplex
(frequency-division multiplexing, FDM) technology and OWDM (WDM) technology without significant difference because
Light wave is a part for electromagnetic wave, and frequency and the wavelength of light have single corresponding relation.Generally it is also understood that optical frequency division
Multiplexing refers to the subdivision of light frequency, and optical channel is very intensive.OWDM refers to the rough segmentation of light frequency, optical channel relatively far apart, very
To in optical fiber different windows.
OWDM is normally applied wavelength division multiplexer and demultiplexer (also referred to as multiplexer/demultiplexer) is respectively placed in light
Fine two ends, realize the coupling of Different lightwave with separating.The principle of the two devices is identical.The main class of light wavelength division multiplexing
Type has four kinds of fused tapered, medium membranous type, grating type and plane.Its key property index is insertion loss and isolation.
Used generally, due in optical link after WDM, the incrementss of optical link loss are referred to as the insertion loss of wavelength-division multiplex.
When wavelength 11, when l2 is transmitted by same optical fiber, with input l2 power in channel-splitting filter with being mixed into 11 output end optical fiber
Power between difference be referred to as isolation.
Mainly there are CWDM and DWDM in present market using the product of WDM technology.
Referring to Fig. 1,1 × 8 common at present wavelength division multiplexer is even formed by 8 single channel device collection, its volume is big, slotting
Enter loss big.
Utility model content
The purpose of this utility model is to overcome above-mentioned shortcoming of the prior art there is provided a kind of small volume, insertion loss
1 × 8 small microminiature wavelength division multiplexer.
In order to realize above-mentioned purpose, 1 × 8 microminiature wavelength-division multiplex implement body of the present utility model constitutes as follows：
1 × 8 microminiature wavelength division multiplexer, it is mainly characterized by, and 1 × 8 described microminiature wavelength division multiplexer includes carrying
Wave plate and filter plate group end face connect the lens subassembly of composition, and are arranged at two array fibre standards at the lens subassembly two ends
A single optical fiber calibrator is provided with by straight device, and array fibre collimater described in one of them.
It is preferred that described single optical fiber calibrator includes the C lens or aspherical that an optical fiber is connected with the optical fiber
Placed close to described lens subassembly at lens, the lens end of the single optical fiber calibrator.
It is preferred that described array fibre collimater is made up of four optical fiber, four described optical fiber are fixed between four
Away from fixation, the V-groove of word order, and described array fibre collimater also includes 4 C that one end of four optical fiber is set
Lens or non-spherical lens.
More preferably, the lens end of described array fibre collimater is close to described lens subassembly setting.
It is preferred that the phase of described single optical fiber calibrator and described lens subassembly and two described array collimators
This optical path requirements is projected in the middle of filter plate during to position and the incident ray outgoing of 1 × 8 microminiature wavelength division multiplexer
It is adapted.
It is preferred that described lens subassembly includes a wave carrier piece and two groups connect with two end faces of the wave carrier piece respectively
Filter plate group, every group of filter plate group is connected by the filter plate of four word orders to be constituted.
More preferably, described filter plate is a strip vitreum, and its cross section is a wedge shape, and described filtering passes through this
End face corresponding to the short side of cross section wedge shape connects with described wave carrier piece, and wedge-shaped short in cross section of described filter plate
End face corresponding to side is all covered with the filtering film matched with the working frequency of 1 × 8 microminiature wavelength division multiplexer.
More preferably, described wave carrier piece is the vitreum that a cross section is right-angled trapezium, and the cross section of the wave carrier piece is straight
Face corresponding to angle trapezoidal hypotenuse S3 and upper bottom S1 is covered with anti-reflection film, the bottom S2 of the cross section right-angled trapezium of the wave carrier piece
Corresponding face is covered with height and returns film.
It is particularly preferred that two described filter plate groups respectively with the top S3 of the cross section right-angled trapezium of described wave carrier piece and
Face corresponding to upper bottom S1 connects, and described single optical fiber calibrator is placed in by the face corresponding to described upper bottom S1.
It is preferred that 1 × 8 described microminiature wavelength division multiplexer also includes a box body and a substrate, described substrate package
In in described box body, and described wave carrier piece, filter plate group, two array fibre collimaters and single optical fiber calibrator glues
It is connected on described substrate.
Using 1 × 8 microminiature wavelength division multiplexer, because it using two array fibre collimaters instead of 8 single-passes
The combination of fiber-optic collimater that road device is constituted, the volume of wavelength division multiplexer is greatly reduced, can realize again light path point with sharing,
Both basic demand is met, production stage is simplified, each component of wavelength division multiplexer is realized modularized production；Use described
Filter plate carries out Nian Jie four slice, thin pieces and four lens for replacing existing product with glue with wave carrier piece and is bonded on request, drops
The low cost of raw material；Having used the incident angle of adjustment entering light single optical fiber calibrator makes the hot spot of four passages in filter plate
Between project, reduce light path debugging difficulty；Filter plate light path, which uses light path, glue, reduces influence optical signal in the transmission
Loss, also improve the stability of light path；Plane adhesion, lifting surface area is big, improves the stability of light path；Outgoing array light
The hot spot spacing of four passages of fine collimater is equal simultaneously with the hot spot spacing of array fibre collimater, and its small volume, tool
There is higher reliability, there is higher performance and cost performance, extensive application prospect compared to prior art.
Brief description of the drawings
Fig. 1 is the structural representation and a kind of its light path schematic diagram of 1 × 8 wavelength division multiplexer of the prior art.
Fig. 2 is the structural representation of the single optical fiber calibrator of 1 × 8 microminiature wavelength division multiplexer of the present utility model.
Fig. 3 is the top view of the array fibre collimater of 1 × 8 microminiature wavelength division multiplexer of the present utility model.
Fig. 4 is the side view of the array fibre collimater of 1 × 8 microminiature wavelength division multiplexer of the present utility model
Fig. 5 is the top view of the filter plate of 1 × 8 microminiature wavelength division multiplexer of the present utility model.
Fig. 6 is the schematic shapes of the wave carrier piece of 1 × 8 microminiature wavelength division multiplexer of the present utility model.
Fig. 7 is the top view of the substrate of 1 × 8 microminiature wavelength division multiplexer of the present utility model.
Fig. 8 is the side view of the substrate of 1 × 8 microminiature wavelength division multiplexer of the present utility model.
Fig. 9 is in the structural representation and a kind of specific embodiment of 1 × 8 microminiature wavelength division multiplexer of the present utility model
Light path schematic diagram.
Reference
1 box body
2 substrates
3 single optical fiber calibrators
4 array fibre collimaters
5 filter plate groups
6 wave carrier pieces
Embodiment
In order to be more clearly understood that technology contents of the present utility model, described in detail especially exemplified by following examples.
1 × 8 microminiature wavelength division multiplexer, it is mainly characterized by, and 1 × 8 described microminiature wavelength division multiplexer includes carrying
Wave plate 6 and the end face of filter plate group 5 connect the lens subassembly of composition, and are arranged at two array fibres at the lens subassembly two ends
A single optical fiber calibrator 3 is provided with by collimater 4, and array fibre collimater 4 described in one of them.
Described single optical fiber calibrator 3 includes the C lens or non-spherical lens that an optical fiber is connected with the optical fiber, should
Placed close to described lens subassembly at the lens end of single optical fiber calibrator 3.
Described array fibre collimater 4 is made up of four optical fiber, four described optical fiber be fixed on four spacing fix,
In the V-groove of word order, and described array fibre collimater 4 also include 4 C lens that one end of four optical fiber sets or
Non-spherical lens.
The lens end of described array fibre collimater 4 is close to described lens subassembly and set.
The relative position of described single optical fiber calibrator 3 and described lens subassembly and two described array collimators
This optical path requirements is projected during incident ray outgoing with 1 × 8 microminiature wavelength division multiplexer in the middle of filter plate to be adapted.
Described lens subassembly includes a wave carrier piece 6 and two groups of filters connected respectively with two end faces of the wave carrier piece 6
Wave plate group 5, every group of filter plate group 5 is connected by the filter plate of four word orders to be constituted.
Described filter plate is a strip vitreum, and its cross section is a wedge shape, and described filtering passes through the cross section
End face corresponding to the short side of wedge shape connects with described wave carrier piece 6, and the wedge-shaped short side institute in cross section of described filter plate
Corresponding end face is all covered with the filtering film matched with the working frequency of 1 × 8 microminiature wavelength division multiplexer.
Described wave carrier piece 6 is the vitreum that a cross section is right-angled trapezium, and the cross section right-angled trapezium of the wave carrier piece 6
Hypotenuse S3 and upper bottom S1 corresponding to face be covered with anti-reflection film, the bottom S2 of the cross section right-angled trapezium of the wave carrier piece 6 institute is right
The face answered is covered with height and returns film.
Two described filter plate groups 5 top S3 respectively with the cross section right-angled trapezium of described wave carrier piece 6 and upper bottom
Face corresponding to S1 connects, and described single optical fiber calibrator 3 is placed in by the face corresponding to described upper bottom S1.
1 × 8 described microminiature wavelength division multiplexer also includes a box body 1 and a substrate 2, and described substrate 2 is packaged in institute
In the box body 1 stated, and described wave carrier piece 6, filter plate group 5, two array fibre collimaters 4 and single optical fiber calibrator 3 are equal
It is adhered on described substrate 2.
In a kind of specific embodiment, 1 × 8 microminiature wavelength division multiplexer includes box body 1, substrate 2, single optical fiber calibrator
3rd, array fibre collimater 4, filter plate and wave carrier piece, the erection sequence of 1 × 8 microminiature wavelength division multiplexer are as follows：
(1) filter plate is carried out with wave carrier piece 6 with glue on request with glue be bonded；
(2) the filter plate group 5 glued is fixed on a substrate 2 with glue；
(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；
(4) light of 4 wavelength emitted is received with light extraction array fibre collimater 4 again；
(5) single optical fiber calibrator 3 and array fibre collimater 4 are fixed on a substrate 2 using glue；
(6) semi-finished product assembled are encapsulated in box body 1.
Referring to Fig. 2, the single optical fiber calibrator 3 is to be fixed on by an optical fiber with glue in capillary, and it is fabricated to
The optical fiber pigtail of 8 degree of face end faces is included, the optical fiber pigtail one end is also connected with the lens of a fixation curvature.
Fig. 3 and Fig. 4 are referred to, array fibre collimater 4 is by the two-core optical fiber of array four and constant spacing " V
Type groove " is constituted, and is fabricated to the array fibre tail optical fiber for including 8 degree of face end faces, and is constituted with the array lenses of 4 fixed curvature.
Referring to Fig. 5, filter plate is a kind of prism wedge, it is made by glass material, and in its face plated film, the filter
Wave plate has fixed incident angle, it is possible to filter out intrinsic wavelength.
It is made referring to Fig. 6, wave carrier piece 6 is a kind of glass material, and anti-reflection film, Yi Ji is plated in itself S1 and S3 face
S2 faces are coated with height and return film, and there is fixed incident angle in S3 faces.
Fig. 7 and Fig. 8 are referred to, substrate 2 is that special alloy material is made, to temperature-insensitive, therefore optics is first
Its position is not influenced by temperature when part is assembled in above.
Referring to Fig. 9,1 × 8 microminiature wavelength division multiplexer has two kinds of working methods：
(1) when broadband optical signal inputs the single fiber input collimater, the filter plate (5) can be to its filtration
8 wavelength pass through, and realize partial wave.
(2) when 8 single-point optical signals input two array fibre collimaters 4.Described filter plate can be to its light
Closed in single optical fiber calibrator 3, realize multiplex.
Two kinds of light paths of the above are all the filter plate groups 5 to realize multiplex and partial wave.
Using 1 × 8 microminiature wavelength division multiplexer, because it using two array fibre collimaters 4 instead of 8 single-passes
The combination of fiber-optic collimater that road device is constituted, the volume of wavelength division multiplexer is greatly reduced, can realize again light path point with sharing,
Both basic demand is met, production stage is simplified, each component of wavelength division multiplexer is realized modularized production；Use described
Filter plate carries out Nian Jie four slice, thin pieces and four lens for replacing existing product with glue with wave carrier piece 6 and is bonded on request,
Reduce the cost of raw material；Having used the incident angle of adjustment entering light single optical fiber calibrator 3 makes the hot spot of four passages in filtering
Projected in the middle of piece, reduce light path debugging difficulty；Filter plate light path, which uses light path, glue, reduces influence optical signal and is passing
Loss in defeated, also improves the stability of light path；Plane adhesion, lifting surface area is big, improves the stability of light path；Outgoing battle array
The hot spot spacing of four passages of row optical fiber collimator 4 is equal simultaneously with the hot spot spacing of array fibre collimater 4, and its volume
It is small, with higher reliability, there is higher performance and cost performance, extensive application prospect compared to prior art.
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 this practical spirit and scope.Therefore, specification and drawings are considered as illustrative
And it is nonrestrictive.
Claims (10)
1. the microminiature wavelength division multiplexer of one kind 1 × 8, it is characterised in that 1 × 8 described microminiature wavelength division multiplexer includes carrier wave
Piece and filter plate group end face connect the lens subassembly of composition, and are arranged at two array fibres collimation at the lens subassembly two ends
A single optical fiber calibrator is provided with by device, and array fibre collimater described in one of them.
2. 1 × 8 microminiature wavelength division multiplexer according to claim 1, it is characterised in that described single optical fiber calibrator bag
A C lens or non-spherical lens that an optical fiber is connected with the optical fiber are included, the lens end of the single optical fiber calibrator is close to described
Lens subassembly place.
3. 1 × 8 microminiature wavelength division multiplexer according to claim 1, it is characterised in that described array fibre collimater
It is made up of four optical fiber, four described optical fiber are fixed on four spacing and fixed, in the V-groove of word order, and described battle array
Row optical fiber collimator also includes the 4 C lens or non-spherical lens that one end of four optical fiber is set.
4. 1 × 8 microminiature wavelength division multiplexer according to claim 3, it is characterised in that described array fibre collimater
Lens end be close to described lens subassembly and set.
5. 1 × 8 microminiature wavelength division multiplexer according to claim 1, it is characterised in that described single optical fiber calibrator with
Described lens subassembly and the described relative position of two array collimators and entering for 1 × 8 microminiature wavelength division multiplexer
This optical path requirements is projected when penetrating beam projecting in the middle of filter plate to be adapted.
6. 1 × 8 microminiature wavelength division multiplexer according to claim 1, it is characterised in that described lens subassembly includes one
Individual wave carrier piece and two groups of filter plate groups connected respectively with two end faces of the wave carrier piece, every group of filter plate group are arranged by four words
The filter plate of row connects composition.
7. 1 × 8 microminiature wavelength division multiplexer according to claim 6, it is characterised in that described filter plate is a strip
Shape vitreum, its cross section is a wedge shape, described filtering by the end face corresponding to the short side of cross section wedge shape with it is described
Wave carrier piece connect, and the end face corresponding to the short side of the cross section wedge shape of described filter plate be all covered with it is 1 × 8 extra small with this
The filtering film that the working frequency of type wavelength division multiplexer matches.
8. 1 × 8 microminiature wavelength division multiplexer according to claim 6, it is characterised in that described wave carrier piece is one transversal
Face is the vitreum of right-angled trapezium, and the face corresponding to the hypotenuse S3 of the cross section right-angled trapezium of the wave carrier piece and upper bottom S1 is covered
There is anti-reflection film, the face corresponding to the bottom S2 of the cross section right-angled trapezium of the wave carrier piece is covered with height and returns film.
9. 1 × 8 microminiature wavelength division multiplexer according to claim 8, it is characterised in that two described filter plate components
Do not connect with the face corresponding to the top S3 and upper bottom S1 of the cross section right-angled trapezium of described wave carrier piece, and described single fiber
Collimater is placed in by the face corresponding to described upper bottom S1.
10. 1 × 8 microminiature wavelength division multiplexer according to claim 1, it is characterised in that 1 × 8 described microminiature ripple
Division multiplexer also includes a box body and a substrate, and described substrate package is in described box body, and described wave carrier piece, filtering
Piece group, two array fibre collimaters and single optical fiber calibrator are adhered on described substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621402644.4U CN206489297U (en) | 2016-12-20 | 2016-12-20 | 1 x 8 subminiature wavelength division multiplexer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621402644.4U CN206489297U (en) | 2016-12-20 | 2016-12-20 | 1 x 8 subminiature wavelength division multiplexer |
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| Publication Number | Publication Date |
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| CN206489297U true CN206489297U (en) | 2017-09-12 |
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| CN201621402644.4U Expired - Fee Related CN206489297U (en) | 2016-12-20 | 2016-12-20 | 1 x 8 subminiature wavelength division multiplexer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019153225A1 (en) * | 2018-02-08 | 2019-08-15 | 珠海迈时光电科技有限公司 | Wavelength division multiplexing/demultiplexing optical fiber coupling module and optical apparatus thereof |
| CN110927882A (en) * | 2018-09-20 | 2020-03-27 | 福州高意通讯有限公司 | Small-sized wavelength division multiplexer |
| CN111239912A (en) * | 2020-03-17 | 2020-06-05 | 中山市美速光电技术有限公司 | 2XN collimator array and manufacturing method thereof |
| CN111458803A (en) * | 2020-05-19 | 2020-07-28 | 腾景科技股份有限公司 | Stable and adjustable CWDM small module |
| CN112882159A (en) * | 2021-03-03 | 2021-06-01 | 南京华脉科技股份有限公司 | Integrated wavelength division multiplexer |
| CN114384636A (en) * | 2022-01-21 | 2022-04-22 | 广东安捷康光通科技有限公司 | Manufacturing method of miniature FP (Fabry-Perot) cavity narrow-band filter |
-
2016
- 2016-12-20 CN CN201621402644.4U patent/CN206489297U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019153225A1 (en) * | 2018-02-08 | 2019-08-15 | 珠海迈时光电科技有限公司 | Wavelength division multiplexing/demultiplexing optical fiber coupling module and optical apparatus thereof |
| CN110927882A (en) * | 2018-09-20 | 2020-03-27 | 福州高意通讯有限公司 | Small-sized wavelength division multiplexer |
| CN111239912A (en) * | 2020-03-17 | 2020-06-05 | 中山市美速光电技术有限公司 | 2XN collimator array and manufacturing method thereof |
| CN111239912B (en) * | 2020-03-17 | 2024-05-28 | 中山市美速光电技术有限公司 | 2XN collimator array and manufacturing method thereof |
| CN111458803A (en) * | 2020-05-19 | 2020-07-28 | 腾景科技股份有限公司 | Stable and adjustable CWDM small module |
| CN112882159A (en) * | 2021-03-03 | 2021-06-01 | 南京华脉科技股份有限公司 | Integrated wavelength division multiplexer |
| CN114384636A (en) * | 2022-01-21 | 2022-04-22 | 广东安捷康光通科技有限公司 | Manufacturing method of miniature FP (Fabry-Perot) cavity narrow-band filter |
| CN114384636B (en) * | 2022-01-21 | 2023-09-01 | 广东安捷康光通科技有限公司 | Manufacturing method of miniature FP (Fabry-Perot) cavity narrow-band filter |
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Granted publication date: 20170912 |