CN107561653A - A kind of SFP+ modules of optical assembly, the SFP+ modules of TO CAN encapsulation and COB encapsulation - Google Patents
A kind of SFP+ modules of optical assembly, the SFP+ modules of TO CAN encapsulation and COB encapsulation Download PDFInfo
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- CN107561653A CN107561653A CN201710940331.7A CN201710940331A CN107561653A CN 107561653 A CN107561653 A CN 107561653A CN 201710940331 A CN201710940331 A CN 201710940331A CN 107561653 A CN107561653 A CN 107561653A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 86
- 238000005538 encapsulation Methods 0.000 title claims abstract description 24
- 238000001914 filtration Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 9
- 238000012913 prioritisation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The present invention relates to optical assembly field, there is provided a kind of optical assembly, including optical port end, the first filter plate and the first receiving terminal；Light path between optical port end and the first filter plate is provided with the first collimation lens；Light path between first filter plate and the first receiving terminal is provided with the second filter plate, and the first up light after the reflection of the first filter plate injects the first receiving terminal through the second filter plate；Optical assembly also includes the second receiving terminal, and the second up light injects the second receiving terminal after the reflection of the second filter plate.A kind of optical assembly of the present invention, by the particular design to the first filter plate, the position of the second filter plate and the 3rd filter plate and angle, realize that the up light of different wave length is kept completely separate.A kind of SFP+ modules of TO CAN encapsulation and a kind of SFP+ modules of COB encapsulation are provided, they include a kind of above-mentioned optical assembly.A kind of SFP+ modules of TO CAN encapsulation of the present invention and a kind of SFP+ modules of COB encapsulation require in which can meet the miniaturization of SFP+ modules.
Description
Technical field
The present invention relates to optical assembly field, specially a kind of optical assembly, the SFP+ modules of TO-CAN encapsulation and COB encapsulation
SFP+ modules.
Background technology
Present fiber optic communication field constantly requires that optical module minimizes, especially to increase the quantity of FPDP as far as possible
It is high-speed, the optical module of multi-wavelength transmission, is much upgraded from the XFP packing forms of early stage to SFP+ packing forms.As light
Module core part, the physical dimension of optical assembly determine the structure type of optical module.Light in current optical assembly design
Road design is partial to realize function, not comprehensive enough to the technical merit of current line in the industry and processing and manufacturing ability understanding, causes light
The design effect of component differs bigger with actual result.Such as interval of the filter plate supplier to passband and rejection zone in industry
It is required that if the bandwidth of passband and rejection zone is bigger, and their intermediate zones are again very narrow, the design difficulty of membrane system is just very big, real
The transmitance and reflectivity of border product are unable to reach desirable, in turn the design to optical assembly propose extra requirement or
Person limits the design of optical assembly.
Now many common optical assembly designs, the optical assembly of multi-wavelength transmission or CWDM wavelength transmissions is particularly realized,
When that can not solve the problems, such as this respect, mainly function is realized by sacrificing the performance of product.
The content of the invention
It is an object of the invention to provide a kind of optical assembly, TO-CAN the SFP+ modules encapsulated and the SFP+ of COB encapsulation
Module, can at least solve segmental defect of the prior art.
To achieve the above object, the embodiment of the present invention provides following technical scheme：A kind of optical assembly, including first can be launched
The optical port end of up light and the second up light, the first filter plate of the emergent light for reflecting the optical port end, and for connecing
Receive the first receiving terminal of the described first up light；It is accurate that light path between the optical port end and first filter plate is provided with first
Straight lens；Light path between first filter plate and first receiving terminal is provided with the second filter plate, first filtering
The described first up light after piece reflection injects first receiving terminal through second filter plate；Second filter plate with
Light path between first receiving terminal is provided with the second collimation lens；The optical assembly also includes the second receiving terminal, and described
Two up light inject second receiving terminal after second filter plate reflection.
Further, the angle between the emergent light after first filter plate and the collimation at the optical port end is β, described
Angle α=β -32 ° between emergent light after two filter plates and the collimation at the optical port end, 0<α≤15°.
Further, the light path between second receiving terminal and second filter plate is provided with the 3rd filter plate, described
Light path between 3rd filter plate and second receiving terminal is provided with the 3rd collimation lens, described in the second up light passes through
The folder between emergent light after 3rd filter plate injection, second receiving terminal, the 3rd filter plate and optical port end collimation
The α of angle γ=90 °+4.
Further, the first filter plate angle of inclination is β, β >=45 °, and the angle of first receiving terminal is 2 β -90 °.
Further, in addition to the first transmitting terminal of the second descending light can be launched,
The second transmitting terminal of the first descending light can be launched,
And the isolating device for the described first descending light and excessively described first filter plate of the second descending smooth full impregnated；
Light path between first transmitting terminal and first filter plate is provided with the 4th filter plate, and described second is descending
Light injects the optical port end through the 4th filter plate, and the first descending light injects institute after the 4th filter plate reflection
State optical port end.
Further, the light path between first transmitting terminal and the 4th filter plate is provided with the 4th collimation lens, institute
The light path stated between the second transmitting terminal and the 4th filter plate is provided with the 5th collimation lens.
Further, the isolating device includes the first isolator and the second isolator, and first isolator is positioned at described
Between 4th collimation lens and the 4th filter plate, second isolator is located at the 5th collimation lens and the described 4th
Between filter plate.
Further, the isolating device includes the 3rd isolator, the 3rd isolator be located at the 4th filter plate with
Between first filter plate.
The embodiment of the present invention provides another technical solution：A kind of SFP+ modules of TO-CAN encapsulation, including the first housing,
First receiver and the second receiver, in addition to a kind of above-mentioned optical assembly, first receiving terminal connect located at described first
Receive on device, second receiving terminal is on second receiver；It is first receiving terminal, second receiving terminal, described
First receiver and second receiver are placed in the first shell body.
The embodiment of the present invention provides another technical solution：A kind of SFP+ modules of COB encapsulation, including second shell body shell
Body, in addition to a kind of above-mentioned optical assembly, the optical port end are arranged on second housing.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of optical assembly, pass through the spy to the first filter plate, the position of the second filter plate and the 3rd filter plate and angle
Different design, realize that the up light of different wave length is kept completely separate, improve the coupling efficiency of receiving terminal, improve the property of product
Energy；When 45 ° of angle between the emergent light after the first filter plate and optical port end collimation, the first receiving terminal is in horizontality,
Optical assembly can be made compact in size, meet SFP+ structural requirements.
A kind of SFP+ modules of TO-CAN encapsulation, obtain optical assembly with above-mentioned, the up light of different wave length can be achieved
It is kept completely separate, not only improves the performance of SFP+ modules, requires with also meeting the miniaturization of SFP+ modules.
A kind of SFP+ modules of COB encapsulation, have it is above-mentioned obtain optical assembly, can be achieved different wave length up light it is complete
Separation, the performance of SFP+ modules is not only improved, required with also meeting the miniaturization of SFP+ modules.
Brief description of the drawings
Fig. 1 is a kind of structural representation of optical assembly provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of the SFP+ modules of TO-CAN encapsulation provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of the SFP+ modules of COB encapsulation provided in an embodiment of the present invention；
In reference：The transmitting terminals of 1- first；The collimation lenses of 2- the 4th；The filter plates of 3- the 4th；The transmitting terminals of 4- second；5-
Five collimation lenses；The filter plates of 6- first；The filter plates of 7- the 3rd；The collimation lenses of 8- the 3rd；The receiving terminals of 9- second；10- first is collimated
Lens；11- optical ports end；The filter plates of 12- second；The collimation lenses of 13- second；The receiving terminals of 14- first；The first up light of 15-；16-
Second up light；17- first transmitters；18- second transmitters；The receivers of 19- first；The receivers of 20- second；21- first every
From device；The isolators of 22- second；The isolators of 24- the 3rd；The first descending light of 25-；The second descending light of 26-.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, the embodiment of the present invention provides a kind of optical assembly, including can to launch the first up light 15 and second up
The optical port end 11 of light 16, the first filter plate 6 of the emergent light for reflecting optical port end 11, and for receiving the first up light 15
The first receiving terminal 14；Light path between the filter plate 6 of optical port end 11 and first is provided with the first collimation lens 10；Wherein, first
Light path between the receiving terminal 14 of filter plate 6 and first is provided with the second filter plate 12, and first after the reflection of the first filter plate is up
Light 15 injects the first receiving terminal 14 through the second filter plate 12；Set in light path between second filter plate 12 and the first receiving terminal 14
There is the second collimation lens 13.Optical assembly also includes the second receiving terminal 9, and the second up light 16 is injected after the reflection of the second filter plate 12
Second receiving terminal 9.As shown in figure 1, optical port end 11 is turned left, edge emitting goes out on first of (i.e. the emergent light at optical port end 11) after multiplex
15 and second up light 16 of row light, the emergent light at optical port end 11 are reflected to the second filter plate 12 after the first filter plate 6
On, now, the first up light 15 passes through from the second filter plate 12, is finally injected into the first receiving terminal 14, and the second up light 16
First reflected once by the second filter plate 12, then reflected once by the first filter plate 6, finally reflect one by the second filter plate 12 again
It is secondary, it is mapped in the second receiving terminal 9, the first up 15 and second up light 16 of light can be so kept completely separate and come, improved
The coupling efficiency of receiving terminal, improve the performance of product.Two upgoing waves are respectively 1270 ± 10nm and 1310 ± 20nm.
It is specific embodiment below：
As the prioritization scheme of the embodiment of the present invention, referring to Fig. 1, after the second filter plate 12 and the collimation at optical port end 11
Angle α between emergent light, 0<α≤15°.In Fig. 1, between the second filter plate 12 and horizontal line (i.e. the emergent light at optical port end 11)
Angle be α, after more than 15 °, the second filter plate 12 completely cannot separate the first up 15 and second up light 16 of light
Open.Preferably, select that at 13 ° optimum efficiency can be realized.
Further optimize such scheme, referring to Fig. 1, being set in the light path between the second receiving terminal 9 and the second filter plate 12
There is the 3rd filter plate 7, the second up light 16 injects the second receiving terminal 9, the 3rd filtering 7 and optical port end 11 through the 3rd filter plate 7
Emergent light between the α of angle γ=90 °+4.Angle between 3rd filtering 7 and horizontal line can change with α change,
It can so ensure that the second up light 16 can be fully radiated in the second receiving terminal 9.Preferably, in the 3rd filter plate 7 and
Light path between two receiving terminals 9 is provided with the 3rd collimation lens 8, can ensure that the second up light 16 converges to the second reception completely
In end 9.
As the preferred scheme of such scheme, referring to Fig. 1, the angle of inclination of the first filter plate 6 is β, β >=45 °, first connects
The angle of receiving end 14 is 2 β -90 °.Can ensure the light after the first filter plate 6 reflects can direct projection to the first receiving terminal 14.It is excellent
Choosing, the first filter plate 6 and from optical port end 11 transmitting come light between angle be 45 ° when, the first receiving terminal can level put
Put, can so reduce the volume of this optical assembly.
As the prioritization scheme of inventive embodiments, referring to Fig. 1, this optical assembly also includes that the second descending light 26 can be launched
First transmitting terminal 1, the second transmitting terminal 4 of the first descending light 25 can be launched, and supply the first descending 25 and second descending light 26 of light
Full impregnated crosses the isolating device of the first filter plate 6；Light path between first transmitting terminal 1 and the first filter plate 6 is provided with the 4th filtering
Piece 3, the second descending light 26 inject optical port end 11 through the 4th filter plate 3, and the first descending light 25 is penetrated after the reflection of the 4th filter plate 3
Light inlet end 11.If two transmitting terminals launch two descending light, and set isolating device and produce isolation effect to internal reflected light.
After optical port end 11 have received two descending light, then send the first up 15 and second up light 16 of light.4th filter plate 3 and first
Angle between the light path that transmitting terminal 1 is sent is 45 °.This optical assembly is the optical assembly of double hair both hands integrations, is conveniently applied to
In SFP+ modules, and due to this optical assembly small volume, meet the requirement of SFP+ modules.
Further optimize such scheme, referring to Fig. 1, the light path between the first transmitting terminal 1 and the 4th filter plate 3 is provided with
4th collimation lens 2, the light path between the second transmitting terminal 4 and the 4th filter plate 3 are provided with the 5th collimation lens 5.It can obtain
Directional light.
As the prioritization scheme of inventive embodiments, Fig. 1 and Fig. 2 are referred to, isolating device includes the first isolator 21 and the
Two isolators 22, the first isolator 21 is between the 4th collimation lens 2 and the 4th filter plate 3, and the second isolator 22 is positioned at the
Between five collimation lenses 5 and the 4th filter plate 3.First isolator 21 uses 1577 isolators, and the second isolator 22 uses 1490
Isolator, optical port end 11 is using SC types plug component.First transmitter 17 and second transmitter 18 are additionally provided with as shown in Figure 2, the
The light that one transmitter 17 is launched can ensure 1577nm completely through second transmitter 18 is launched after the first isolator 21
The light gone out can ensure after the second isolator 22 1490 completely through so that two descending light can be fully radiated to optical port end
In 11.In such scheme, first transmitter 17 uses the 10G flat window EML TO of 1577nm, and second transmitter 18 is sealed using TO56
The flat window DFB TO of 2.5G 1490nm of dress, the first receiver 19 is using the 1.25G bulb cap APD TO of TO46 encapsulation 1310, and second
Receiver 20 is using TO46 2.5G/10G bulb cap APD TO.
As the prioritization scheme of inventive embodiments, Fig. 1 and Fig. 3 are referred to, isolating device includes the 3rd isolator 24, and the 3rd
Isolator 24 is between the 4th filter plate 3 and the first filter plate 6.3rd isolator 24 is located at herein, can be cost-effective,
Only utilize an isolator.
Referring to Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of SFP+ modules of TO-CAN encapsulation, including the first housing,
First receiver 19 and the second receiver 20, in addition to a kind of above-mentioned optical assembly, the first receiving terminal 14 receive located at first
On device 19, the second receiving terminal 9 is on the second receiver 20；First receiving terminal 14, the second receiving terminal 9, the first receiver 19 with
And second receiver 20 be placed in first shell body.The module employs above-mentioned optical assembly, is applicable to TO-CAN encapsulation
Transmitting and reception.The performance of SFP+ modules is improved, is required with also meeting the miniaturization of SFP+ modules.
Fig. 1 and Fig. 3 are referred to, inventive embodiments provide a kind of SFP+ modules of COB encapsulation, including the second housing, also wrapped
A kind of above-mentioned optical assembly is included, optical port end 11 is installed on the second housing.The module employs above-mentioned optical assembly, is applicable to
The transmitting and reception of COB encapsulation.The performance of SFP+ modules is improved, is required with also meeting the miniaturization of SFP+ modules.
In the present invention, the 4th collimation lens 2, the 5th collimation lens 5 and the first collimation lens 10 are transmitting terminal
Collimation lens, aspheric collimation lens collimation lens need to be used, the 3rd collimation lens 8 and the second collimation lens 13 are receiving terminal
Collimation lens, you can using aspheric collimation lens collimation lens, lower-cost spherical collimation lens can also be used.They
Purpose is to obtain directional light.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of optical assembly, including the optical port end (11) of the first up light (15) and the second up light (16) can be launched, for anti-
The first filter plate (6) of the emergent light of the optical port end (11) is penetrated, and for receiving the first of the described first up light (15)
Receiving terminal (14)；Light path between the optical port end (11) and first filter plate (6) is provided with the first collimation lens (10)；
It is characterized in that：Light path between first filter plate (6) and first receiving terminal (14) is provided with the second filter plate
(12), the described first up light (15) after first filter plate reflection injects described the through second filter plate (12)
One receiving terminal (14)；It is saturating that light path between second filter plate (12) and first receiving terminal (14) is provided with the second collimation
Mirror (13)；The optical assembly also includes the second receiving terminal (9), and the second up light (16) is anti-through second filter plate (12)
Second receiving terminal (9) is injected after penetrating.
A kind of 2. optical assembly as claimed in claim 1, it is characterised in that：Second filter plate (12) and the optical port end
(11) angle α between emergent light after collimating, 0<α≤15°.
A kind of 3. optical assembly as claimed in claim 2, it is characterised in that：Second receiving terminal (9) and the described second filtering
Light path between piece (12) is provided with the 3rd filter plate (7), between the 3rd filter plate (7) and second receiving terminal (9)
Light path be provided with the 3rd collimation lens (8), the second up light (16) injects described the through the 3rd filter plate (7)
Two receiving terminals (9), the 3rd filter plate (7) and the optical port end (11) collimation after emergent light between angle γ=90 °+
4α。
A kind of 4. optical assembly as claimed in claim 1, it is characterised in that：First filter plate (6) angle of inclination is β, β >=
45 °, the angle of first receiving terminal (14) is 2 β -90 °.
A kind of 5. optical assembly as claimed in claim 1, it is characterised in that：Also include that the first of the second descending light (26) can be launched
Transmitting terminal (1),
The second transmitting terminal (4) of the first descending light (25) can be launched,
And the isolation for the described first descending light (25) and second descending excessively described first filter plate (6) of light (26) full impregnated
Device；
Light path between first transmitting terminal (1) and first filter plate (6) is provided with the 4th filter plate (3), and described
Two descending light (26) inject the optical port ends (11) through the 4th filter plates (3), described in first descending light (25) warp
The optical port end (11) is injected after the reflection of 4th filter plate (3).
A kind of 6. optical assembly as claimed in claim 5, it is characterised in that：First transmitting terminal (1) and the described 4th filtering
Light path between piece (3) is provided with the 4th collimation lens (2), between second transmitting terminal (4) and the 4th filter plate (3)
Light path be provided with the 5th collimation lens (5).
A kind of 7. optical assembly as claimed in claim 6, it is characterised in that：The isolating device include the first isolator (21) and
Second isolator (22), first isolator (21) be located at the 4th collimation lens (2) and the 4th filter plate (3) it
Between, second isolator (22) is between the 5th collimation lens (5) and the 4th filter plate (3).
A kind of 8. optical assembly as claimed in claim 6, it is characterised in that：The isolating device includes the 3rd isolator (24),
3rd isolator (24) is between the 4th filter plate (3) and first filter plate (6).
9. a kind of SFP+ modules of TO-CAN encapsulation, including the first housing, the first receiver (19) and the second receiver (20),
It is characterized in that：Also include a kind of optical assembly as described in claim 1-8 is any, first receiving terminal (14) is located at described
On first receiver (19), second receiving terminal (9) is on second receiver (20)；First receiving terminal
(14), second receiving terminal (9), first receiver (19) and second receiver (20) are placed in described first
In housing.
10. a kind of SFP+ modules of COB encapsulation, including the second housing, it is characterised in that：Also include as claim 1-8 is any
A kind of described optical assembly, the optical port end (11) are arranged on second housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710940331.7A CN107561653B (en) | 2017-09-30 | 2017-09-30 | optical assemblies, TO-CAN packaged SFP + module and COB packaged SFP + module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710940331.7A CN107561653B (en) | 2017-09-30 | 2017-09-30 | optical assemblies, TO-CAN packaged SFP + module and COB packaged SFP + module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107561653A true CN107561653A (en) | 2018-01-09 |
| CN107561653B CN107561653B (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710940331.7A Active CN107561653B (en) | 2017-09-30 | 2017-09-30 | optical assemblies, TO-CAN packaged SFP + module and COB packaged SFP + module |
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| Country | Link |
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| CN (1) | CN107561653B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114859480A (en) * | 2022-05-12 | 2022-08-05 | 武汉华工正源光子技术有限公司 | Narrow-band single-fiber bidirectional optical component and packaging structure thereof |
| CN114895411A (en) * | 2022-06-13 | 2022-08-12 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2023240890A1 (en) * | 2022-06-13 | 2023-12-21 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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| WO2023240890A1 (en) * | 2022-06-13 | 2023-12-21 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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| Publication number | Publication date |
|---|---|
| CN107561653B (en) | 2020-01-31 |
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