CN206725817U - Multichannel poly-lens WDM device and its tool - Google Patents
Multichannel poly-lens WDM device and its tool Download PDFInfo
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- CN206725817U CN206725817U CN201720452186.3U CN201720452186U CN206725817U CN 206725817 U CN206725817 U CN 206725817U CN 201720452186 U CN201720452186 U CN 201720452186U CN 206725817 U CN206725817 U CN 206725817U
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Abstract
The utility model discloses a kind of multichannel poly-lens WDM device and its tool, the device includes planar optical waveguide chip, pedestal, N number of chip of laser and N group lens groups, every group of lens group includes n lens, wherein n >=2, planar optical waveguide chip is fixed on the pedestal front position, each chip of laser is fixed on pedestal back-end location, the corresponding laser of every group of lens group, and every group of lens group is arranged between corresponding chip of laser and planar optical waveguide chip；N number of optical channel is provided with planar optical waveguide chip, the corresponding one group of lens group of each optical channel is set, and each optical channel realizes that optical axis is aligned with chip of laser corresponding to corresponding lens group and the lens group.The utility model increases the coupling tolerance of device by poly-lens light path design, so as to reduce technology difficulty, improves product yield and production efficiency.
Description
Technical field
The present invention relates to a kind of multichannel poly-lens WDM device and its tool.
Background technology
As optical communication network develops to hyperfrequency, ultrahigh speed and vast capacity, high rate optical module has become optical mode
The Hot spots for development in block market.And 100G optical modules have turned into the main trend in market, it is using four road ripples such as LAN-WAM or CWDM
Divide multiplexing technology, single channel rate is 25Gbps or 28Gbps.Wavelength-division multiplex technique (wavelength-division
Multiplexing, abbreviation WDM), can by the optical carrier of two or more different wave lengths in transmitting terminal by multiplexer/multiplex
Device merges together, and is coupled in same root optical fiber and is transmitted；In receiving terminal by demultiplexer/channel-splitting filter by each difference
The optical carrier separation of wavelength, is then for further processing by photoreceiver to recover original signal.Wavelength-division multiplex technique is significantly
The capacity of fiber optic communication is improved, turns into the best way for building high capacity transmission network.
In the prior art, OWDM is normally applied wavelength division multiplexer and demultiplexer (also referred to as wave multiplexer and channel-splitting filter)
Optical fiber both ends are respectively placed in, that realizes Different lightwave is coupled in separation.The main type of described two devices be fused tapered,
Grating type, dielectric model and plane, and the operation principle of described two devices is essentially identical.Conventional wavelength division multiplexer/
Demultiplexer mainly includes planar optical waveguide chip (Plannar Lightwave Circuit, PLC), pedestal, lens and laser
Device chip.However, light wavelength division multiplexing/demultiplexer of the prior art mainly uses simple lens, it is small in the presence of coupling tolerance,
The problem of with high process control needs, product yield and low production efficiency is therefore caused.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide one kind coupling tolerance it is big, manufacturing process difficulty is low, production
Product yield and the high multichannel poly-lens WDM device of production efficiency.
To reach above-mentioned purpose, the present invention provides following technical scheme：A kind of multichannel poly-lens WDM device, bag
Including planar optical waveguide chip, pedestal, N number of chip of laser and N group lens groups, lens group described in every group includes n lens,
Wherein n >=2, the planar optical waveguide chip are fixed on the pedestal front position, and each chip of laser is fixed on institute
Pedestal back-end location, the corresponding chip of laser of every group of lens group are stated, every group of lens group is arranged on corresponding laser core
Between piece and planar optical waveguide chip.
Further：N number of optical channel is provided with the planar optical waveguide chip, each corresponding one group of optical channel is saturating
Microscope group is set, and each optical channel realizes that optical axis is aligned with chip of laser corresponding to corresponding lens group and the lens group.
Present invention also offers a kind of tool applied to multichannel poly-lens WDM device, including for grasp and
The poly-lens gripping device and Lens Coupling device of the mobile lens installation site, the poly-lens gripping device is according to thoroughly
Mirror coupling device comes the position of mobile lens, and the poly-lens gripping device includes that the grasping structure of n lens can be captured simultaneously,
When the grasping structure captures n lens simultaneously, n lens are parallel between each other.
Further：The poly-lens gripping device is by the way of vacuum suction or the mode of mechanical grip captures
Mirror.
Further：The tool also includes simple lens gripping device, and the simple lens gripping device has to be only capable of every time
Capture the grasping structure of a lens.
Further：The simple lens gripping device is by the way of vacuum suction or the mode of mechanical grip captures
Mirror.
Further：Pass through between the Lens Coupling device and poly-lens gripping device and/or simple lens gripping device
Pole connects.
Further：The bottom of the poly-lens gripping device is provided with the groove for being installed with part lens.
Further：The quantity of the groove is identical with the quantity for total lens that every group of lens group contains.
Further：The bottom of the simple lens gripping device is provided with the groove for being installed with part lens.
The beneficial effects of the present invention are：The multichannel poly-lens WDM device of the present invention passes through in chip of laser
Multiple lens group is set between planar optical waveguide chip, and every group of lens group has n lens (n >=2), so as to relatively existing
For technology, the multichannel poly-lens WDM device have coupling tolerance it is big the advantages of, further, since its have it is larger
Tolerance is coupled, therefore relative to existing technologies, its manufacturing process difficulty is low, and product yield and production efficiency are high.
And by using the tool of the present invention, the poly-lens for including capturing n lens simultaneously due to the tool grasps dress
Put, so as to find the erecting device for being applied to poly-lens, when making multiple lens installations, its installation is not limited by coupled room.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is the top view of the multichannel poly-lens WDM device shown in one embodiment of the invention；
Lens displacement that Fig. 2 a, 2b are respectively the coupling loss of simple lens -- lens displacement figure and double lens coupling loss --
Figure；
Fig. 3 is for the multichannel poly-lens WDM device shown in one embodiment of the invention and applied to multichannel poly-lens
The front view of the tool of WDM device；
Fig. 4 is for the multichannel poly-lens WDM device shown in one embodiment of the invention and applied to multichannel poly-lens
The tool use state figure of WDM device；
Fig. 5 is the multichannel poly-lens WDM device and how saturating applied to multichannel shown in another embodiment of the present invention
The use state figure of the tool of mirror WDM device.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Fig. 1 is referred to, the multichannel poly-lens WDM device shown in one embodiment of the invention includes planar optical waveguide
Chip 1, pedestal 2, N number of chip of laser 5 and N group lens groups, every group of lens group include n lens, wherein n >=2, this reality
Example is applied with N=4, is illustrated exemplified by n=2, in the present embodiment, two lens in every group are respectively designated as the first lens 3
With the second lens 4, wherein relative second lens 4 of the first lens 3 are set close to chip of laser 5, the first lens 3 and the second lens
4 be arranged in parallel.The planar optical waveguide chip 1 is fixed on the front position of pedestal 2, the visual angle on the basis of Fig. 1, base in Fig. 1
Left side in 2 horizontal directions of seat is front end, and right side is rear end.The corresponding chip of laser 5 of every group of lens group, every group of lens group
It is arranged between corresponding chip of laser 5 and planar optical waveguide chip 1, in the present embodiment, four groups of lens groups are arranged side by side up and down
Set at (using Fig. 1 visual angle as description direction).In the present embodiment, four optical channels are provided with the planar optical waveguide chip 1
10, each optical channel 10 corresponds to 5, first lens 3 of a chip of laser and second lens 4, and each institute
State optical channel 10 and realize that optical axis is aligned with corresponding chip of laser 5, the first lens 3 and the second lens 4.Incorporated by reference to Fig. 2 a,
2b, it can be seen that by Fig. 2 a, 2b, the logical coupling tolerance of multichannel poly-lens WDM device of the invention is crossed using double lens
Coupling technique increases to 15 μm from about 0.5 μm of original simple lens device so that allowable displacement of the lens in fixation procedure
Greatly increased.
Incorporated by reference to Fig. 3, a kind of tool applied to multichannel poly-lens WDM device includes being used to grasp and move
Poly-lens gripping device 6, Lens Coupling device 9 and the connection Lens Coupling device 9 and poly-lens of the lens installation site are grabbed
Hold the pole 7 of device 6.The poly-lens gripping device 6 is according to Lens Coupling device 9 come the position of mobile lens.It is described how saturating
Mirror gripping device 6 includes to capture the first lens 3, the grasping structure of the second lens 4 simultaneously, and the grasping structure captures the simultaneously
When one lens 3, the second lens 4, the first lens 3, the second lens 4 are parallel between each other.The pole 7 passes through Lens Coupling device
6 control the shift position of poly-lens gripping device 6 with the position of final adjustment the first lens 3, the second lens 4.In this implementation
In example, the poly-lens gripping device captures the first lens 3 and the second lens 4, the poly-lens by the way of vacuum suction
The upper end of gripping device 6 is connected with vaccum suction pipe 8 to realize vacuum suction.Really, the poly-lens gripping device can also use machine
The mode of tool clamping captures lens.The bottom of the poly-lens gripping device, which is provided with, to be installed with the grooves of part lens and (does not mark
Number), the positions of lens, the quantity phase for total lens that the quantity of the groove contains with every group of lens group can be positioned by the groove
Together.
When specifically used, two simple lens gripping devices why are not used, are primarily due to coupled room distance limit
System, it does not have enough space two devices of placement to move coupling, and can then evade by using poly-lens gripping device 6
The problem of coupled room limits.The lens numbers that every group of lens group includes in the present embodiment are two, and (the first lens 3 and second are saturating
Mirror 4), but in other embodiments, the lens numbers can increase as the case may be, lens actual quantity can be more than or
Equal to 2, and it is corresponding, and the grasping structure of poly-lens gripping device 6 also changes.
Refer to Fig. 4 and combine Fig. 3, the application process of the above-mentioned tool applied to multichannel poly-lens WDM device
Generally comprise following steps：
S1, by planar optical waveguide chip 1 and chip of laser 5 according to the design of OWDM device fixed to pedestal 2
Relevant position；
S2：Capture whole lens of every group of lens group simultaneously by poly-lens gripping device 6；
S3：Complying with light wave according to the regulation lens position of Lens Coupling device 9 divides apparatus for coating to design, will be saturating in every group
Mirror is bonded on the pedestal 2.In this step, n lens in every group are divided into n times and are individually bonded on the pedestal 2；
Wherein, the mounting means of each lens can be：Design according to OWDM device and adjusted according to Lens Coupling device 9
Section makes its acquisition maximum output luminous power be bonded in after reaching maximum on the pedestal 2.In order to ensure to be fitted into
During one lens, the other lenses on poly-lens gripping device 6 be will not fall off, and it can be realized by using such mode：When saturating
Before a lens in microscope group are arranged on the pedestal 2, the lens that other are grasped simultaneously by poly-lens gripping device 6 are logical first
The mode for crossing bonding is fixed on the relevant position of poly-lens gripping device 6；When complete to install the lens and needing install it is next
During individual lens, next need lens to be mounted are first removed from poly-lens gripping device 6, then captured again to be pacified
Dress.
In the present embodiment, the lens numbers in each lens group are two (the first lens 3 and the second lens 4), below
The application process is carried out in detail to the mounting means of each lens group by taking two lens (the first lens 3 and the second lens 4) as an example
Describe in detail bright.Air in poly-lens gripping device 6 is suctioned out by vaccum suction pipe 8 first, so as to by the first lens 3 and the second lens 4
It is adsorbed on poly-lens gripping device 6, now, the second lens 4 is fixed on poly-lens gripping device 6 by way of bonding
On；Recycle manually or computer program regulation Lens Coupling device 9 passes through pole 7 and controls poly-lens gripping device 6 to move the
The position of one lens 3 and the second lens 4, the first lens 3, the second lens 4 are made to move to planar optical waveguide chip 1 and chip of laser
Between 5, until the multichannel poly-lens WDM device Output optical power is maximum；Then will by way of gluing or welding
First lens 3 are fixed on pedestal 2, so far the installation of the first lens 3；When installing the second lens 4, first by the second lens 4
Removed from poly-lens gripping device 6, then poly-lens gripping device 6 captures the second lens 4 by way of vacuum suction, enters
And adjust Lens Coupling device 9 using manual or computer program and control poly-lens gripping device 6 saturating to move second by pole 7
The position of mirror 4, make device Output optical power maximum, be finally fixed on by gluing or welding the second lens 4 of prize on pedestal 2.
In the present embodiment, the installation at twice of lens 4 of the first lens 3 and second, in other embodiments, when movement determines
Behind first lens 3, the position of the second lens 4, the first lens 3, the second lens 4 can be fixed on the base 2 simultaneously.But with
First lens 3, the second lens 4 are mixed up into position simultaneously and the first lens 3, the second lens 4 are fixed into phase on the base 2 simultaneously
Than the first lens 3, the second lens 4 are the advantages of displacement is fixed on pedestal 2 at twice：Due to installing the first lens 3
When it is possible that installation skew the problem of, can be saturating to second when installing the second lens 4 if installing at twice
The position of mirror 4 is finely adjusted, and the position deviation during installation of the first lens 3 is made up, to reduce final deviation.
Refer to Fig. 5, the structure of the tool applied to multichannel poly-lens WDM device shown in the present embodiment with
The structure of the above-mentioned tool applied to multichannel poly-lens WDM device is similar, and difference is：In the present embodiment, the application
Also include simple lens gripping device 11 in the tool of multichannel poly-lens WDM device, the simple lens gripping device 11 has
It is only capable of capturing the grasping structure of a lens every time, the simple lens gripping device 11 is equally captured by the way of vacuum suction
Mirror, certainly, in other embodiments, the simple lens gripping device 11 can also capture lens by the way of mechanical grip.
The simple lens gripping device 11 is connected by pole 7 with Lens Coupling device 9.The bottom of the simple lens gripping device 11 is same
It is provided with the groove for being installed with part lens.
Incorporated by reference to Fig. 5, should be answered applied to the application process of the tool of multichannel poly-lens WDM device with foregoing
Substantially similar with method, difference is to be only that S3, and the first lens 3 and the are provided only with multichannel poly-lens WDM device
It is specific as follows the step of its S3 exemplified by two lens 4：
S31：The first lens 3 in every group are adjusted according to Lens Coupling device 9, the position of the second lens 4 complies with light wave
Divide apparatus for coating design, first lens 3 are bonded on the pedestal 2 by poly-lens gripping device 6 in every group of lens group；
S32：Complying with light wave according to the position of the second lens 4 of regulation of Lens Coupling device 9 divides apparatus for coating to design, and passes through
Second lens 4 are bonded on the pedestal 2 by simple lens gripping device 11.
By the way that by last lens (being the second lens 4 in the present embodiment), this is grasped with simple lens gripping device 11, from
And can prevent during the second lens 4 are installed, lens gripping device collides the first lens 3 installed originally,
And damage the first lens 3 and make the first lens 3 that position occur, it is often more important that, it can be avoided using simple lens gripping device 11
Space interference when first lens 3 are installed to the second lens 4.
In summary：The multichannel poly-lens WDM device of the present invention passes through in chip of laser and planar optical waveguide
Multiple lens group is set between chip, and every group of lens group has n lens (n >=2), so as to relative to existing technologies, be somebody's turn to do
Multichannel poly-lens WDM device has the advantages of coupling tolerance is big, further, since it has larger coupling tolerance, therefore
Relative to existing technologies, its manufacturing process difficulty is low, and product yield and production efficiency are high.And controlling by using the present invention
Tool, due to poly-lens gripping device of the tool including n lens can be captured simultaneously, so as to find the installation for being applied to poly-lens
Device, when making multiple lens installations, its installation is not limited by coupled room.Completed by using the application process of the present invention more
The installation of lens, do not limited by coupled room during installation.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. multichannel poly-lens WDM device, it is characterised in that：Including planar optical waveguide chip, pedestal, N number of laser Device chip and N group lens groups, wherein N >=1, lens group described in every group include n lens, wherein n >=2, the planar light Waveguide chip is fixed on the pedestal front position, and each chip of laser is fixed on the pedestal back-end location, every group The corresponding chip of laser of lens group, every group of lens group be arranged on corresponding chip of laser and planar optical waveguide chip it Between.
- A kind of 2. multichannel poly-lens WDM device as claimed in claim 1, it is characterised in that：The planar optical waveguide N number of optical channel is provided with chip, each corresponding one group of lens group of the optical channel is set, each optical channel with it is corresponding Chip of laser corresponding to lens group and the lens group realizes that optical axis is aligned.
- 3. a kind of a kind of tool of multichannel poly-lens WDM device applied to described in claim 1 or 2, its feature exist In：It is described more including the poly-lens gripping device and Lens Coupling device for grasping and moving the lens installation site According to Lens Coupling device come the position of mobile lens, the poly-lens gripping device includes capturing simultaneously lens gripping device The grasping structure of n lens, when the grasping structure captures n lens simultaneously, n lens are parallel between each other.
- A kind of 4. tool applied to multichannel poly-lens WDM device as claimed in claim 3, it is characterised in that：Institute Poly-lens gripping device is stated by the way of vacuum suction or the mode of mechanical grip captures lens.
- 5. a kind of tool applied to multichannel poly-lens WDM device as described in claim 3 or 4, its feature exist In：The tool also includes simple lens gripping device, and the simple lens gripping device has is only capable of one lens of crawl every time Grasp structure.
- A kind of 6. tool applied to multichannel poly-lens WDM device as claimed in claim 5, it is characterised in that：Institute Simple lens gripping device is stated by the way of vacuum suction or the mode of mechanical grip captures lens.
- A kind of 7. tool applied to multichannel poly-lens WDM device as claimed in claim 5, it is characterised in that：Institute State and connected between Lens Coupling device and poly-lens gripping device and/or simple lens gripping device by pole.
- A kind of 8. tool applied to multichannel poly-lens WDM device as claimed in claim 3, it is characterised in that：Institute The bottom for stating poly-lens gripping device is provided with the groove for being installed with part lens.
- A kind of 9. tool applied to multichannel poly-lens WDM device as claimed in claim 8, it is characterised in that：Institute The quantity for stating groove is identical with the quantity for total lens that every group of lens group contains.
- A kind of 10. tool applied to multichannel poly-lens WDM device as claimed in claim 5, it is characterised in that： The bottom of the simple lens gripping device is provided with the groove for being installed with part lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720452186.3U CN206725817U (en) | 2017-04-27 | 2017-04-27 | Multichannel poly-lens WDM device and its tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720452186.3U CN206725817U (en) | 2017-04-27 | 2017-04-27 | Multichannel poly-lens WDM device and its tool |
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| CN206725817U true CN206725817U (en) | 2017-12-08 |
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| CN201720452186.3U Active CN206725817U (en) | 2017-04-27 | 2017-04-27 | Multichannel poly-lens WDM device and its tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896455A (en) * | 2017-04-27 | 2017-06-27 | 苏州易锐光电科技有限公司 | Multichannel poly-lens WDM device and its tool and methods for using them |
| CN109375331A (en) * | 2018-11-21 | 2019-02-22 | 中国科学院上海技术物理研究所 | A kind of vertical solidification equipment of multi lens array optical axis |
-
2017
- 2017-04-27 CN CN201720452186.3U patent/CN206725817U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896455A (en) * | 2017-04-27 | 2017-06-27 | 苏州易锐光电科技有限公司 | Multichannel poly-lens WDM device and its tool and methods for using them |
| CN109375331A (en) * | 2018-11-21 | 2019-02-22 | 中国科学院上海技术物理研究所 | A kind of vertical solidification equipment of multi lens array optical axis |
| CN109375331B (en) * | 2018-11-21 | 2023-07-04 | 中国科学院上海技术物理研究所 | Multi-lens array optical axis vertical curing device |
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