CN106680945B - A kind of light collimation coupling operational platform - Google Patents
A kind of light collimation coupling operational platform Download PDFInfo
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- CN106680945B CN106680945B CN201510758054.9A CN201510758054A CN106680945B CN 106680945 B CN106680945 B CN 106680945B CN 201510758054 A CN201510758054 A CN 201510758054A CN 106680945 B CN106680945 B CN 106680945B
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- lens
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- 238000010168 coupling process Methods 0.000 title claims abstract description 29
- 230000008878 coupling Effects 0.000 title claims abstract description 27
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 27
- 230000003287 optical effect Effects 0.000 claims abstract description 43
- 230000033001 locomotion Effects 0.000 claims abstract description 42
- 239000013307 optical fiber Substances 0.000 claims abstract description 41
- 239000000835 fiber Substances 0.000 claims abstract description 9
- 238000009738 saturating Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4286—Optical modules with optical power monitoring
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a kind of workbench of light collimation coupling, include light reflecting device, the fixed device of light reflecting device, lens grabbing device, device optical fiber clamping device, optical device bottom plate/shell clamping device, fiber connector, multiaxial motion platform, optical splitter, laser light source, light intensity meter, kinetic control system and vibrationproof platform.The present invention can the position to device with optical fiber relative to collimation lens couple, so that the light collimated by collimation lens backtracking after reflection unit, and it is passed in light intensity meter through optical splitter, continuous adjusting device optical fiber monitors collected light intensity in light intensity meter simultaneously relative to the position of collimation lens, finally makes the two in best collimation coupling position.The invention enables the number of components of adjustment required when optical fiber and collimated and the required dimension adjusted in real time are all relatively fewer, the feedback quantity monitored needed for simultaneously is easily obtained, the required equipment used is simple, fixture design difficulty is not high, there is mature optocoupler hop algorithm, the automation control of higher degree may be implemented.
Description
Technical field
The present invention relates to optic communication device processing and manufacturing field more particularly to a kind of work that collimation coupling is carried out to light
Platform.
Background technique
The laser being emitted from optical fiber has certain angle of divergence, and the distance of transmission is limited.Therefore in the application,
Need to form it into the collimated light beam parallel with optical axis, the collimation of the collimated light beam by collimation lens by the laser of optical fiber
The performance of laser will be directly affected with the depth of parallelism.The coupling of currently used collimated light and the method for inspection have autocollimation method, five ribs
Mirror method, projection target method etc..But the adjustment of these methods, detection and calibration process it is all comparatively laborious, be related to multi-part and
The adjustment of multi-step confirms that technique application and the performance detection not being suitable in producing in enormous quantities need fast particularly with those
Speed determines the case column of the position of collimating mirror or optical fiber in Free Space Optics structure, and realizes the higher production of the degree of automation
Scale, above method are unsuitable for.
Summary of the invention
The present invention is above in order to overcome the shortcomings of, proposes a kind of workbench that collimation coupling is carried out to light.
Technical problem of the invention is resolved by technical solution below:
A kind of pair of light carries out the workbench of collimation coupling, includes light reflecting device, the fixed device of light reflecting device, lens folder
Hold device, device optical fiber clamping device, optical device bottom plate/shell clamping device, fiber connector, the first multiaxial motion platform,
Second multiaxial motion platform, third multiaxial motion platform, optical splitter, laser light source, light intensity meter, kinetic control system and vibrationproof
Platform.The light reflecting device is fixed device by it and is loaded on third multiaxial motion platform, and the lens clamping device is fixed
On vibrationproof platform and for grabbing collimation lens and ensuring that lens are fixed position in entire coupling process, the optical fiber clamping dress
Immobilising device optical fiber will be used to and be loaded on the first multiaxial motion platform, the optical device bottom plate/shell clamping device by setting
For fixing various optical device bottom plate/shells and being loaded in the second multiaxial motion platform, the vibrationproof platform be used for support and
One end of fixed each motion platform and lens clamping device, the optical splitter passes through fiber connector interface unit optical fiber,
The other end of optical splitter is separately connected defeated laser light source and light intensity meter, and the laser light source provides steady required for coupling adjustment
Fixed optical signal, the light intensity meter feed back to kinetic control system for reading the light intensity detected.Fig. 1 is of the invention
To the structure and connection schematic diagram of the workbench of light collimation coupling.
In one embodiment of the invention, the optical fiber is single mode optical fiber.
In one embodiment of the invention, the collimation lens is rectangular.
In one embodiment of the invention, the light reflecting device can be such that the light after collimated returns through original optical path
It returns.In one embodiment of the invention, the first multiaxial motion platform of the light reflecting device, the second multiaxial motion platform,
Third multiaxial motion platform, movement dimension is tri- straight line dimension of X, Y and Z in space and is based respectively on three straight line dimensions
θ x, θ y, the θ z of rotation rotate dimension.Alternatively, the first multiaxial motion platform, the second multiaxial motion platform, third multiaxis
Motion platform is X, tri- straight line dimensions of Y, Z.
In one embodiment of the invention, the lens clamping device is vacuum slot.
In one embodiment of the invention, the lens clamping device is clamping type.
In one embodiment of the invention, the lens clamping device has and can be rotated, tilted and be put to lens
The mechanism of dynamic angle adjustment.
In one embodiment of the invention, the device optical fiber clamping device has and can revolve to clamped optical fiber
Turn, the mechanism of inclination and swing angle adjustment.The present invention makes by adjusting the relative position of device input optical fibre and collimation lens
Obtaining by the light of lens is parallel collimated light, then position and angle by correcting optical reflectance device relative device input optical fibre,
The parallel collimated light is returned through original optical path, after optical branch device, is incident in light intensity meter.Kinetic control system
The light intensity signal detected by reading light intensity meter, issues corresponding movement instruction, thus by the relative position of optical fiber and lens
It is coupled to best.
Detailed description of the invention
Fig. 1 is the structure and connection schematic diagram of the light collimation coupling operational platform of the embodiment of the present invention；
Fig. 2 is the collimated light path schematic diagram of optical device in the embodiment of the present invention.
Specific embodiment
The present invention is described in further details below by specific embodiment and in conjunction with attached drawing.
As shown in Figure 1, a kind of light collimates coupling operational platform, include light reflecting device 102, the fixed device of light reflecting device
109, lens clamping device 107, device optical fiber clamping device 105, optical device bottom plate/shell clamping device 101, fiber connector
103, the first multiaxial motion platform 106, the second multiaxial motion platform 108, third multiaxial motion platform 110, optical splitter 112,
Laser light source 114, light intensity meter 113, kinetic control system 104 and vibrationproof platform 111.The light reflecting device 102 is fixed by it
Device 109 is loaded on third multiaxial motion platform 110, and the lens clamping device 107 is fixed on vibrationproof platform 111 and is used for
Crawl collimation lens simultaneously ensures that lens are fixed position in entire coupling process, and the optical fiber clamping device 105 will be used to fix
Device optical fiber is simultaneously loaded on the first multiaxial motion platform 106, and the optical device bottom plate/shell clamping device 101 is for solid
Fixed various optical device bottom plate/shells are simultaneously loaded on the second multiaxial motion platform 108, the vibrationproof platform 111 be used to supporting and
It is used by 103 interface unit of fiber connector one end of fixed each motion platform and lens clamping device, the optical splitter 112
Optical fiber, the other end of optical splitter 112 are separately connected defeated laser light source 114 and light intensity meter 113, and the laser light source 114 provides
Stable optical signal required for coupling adjustment, the light intensity meter 113 feed back to movement control for reading the light intensity detected
System 104 processed.
As shown in Fig. 2, there is certain angle of divergence with the laser being emitted in optical fiber by device, formed it by collimation lens
The collimated light beam parallel with optical axis, the light after collimated are returned after light reflecting device by original optical path.
The course of work of the present embodiment is as follows: collimation lens is drawn by lens clamping device 107, and leaves optical device bottom
Plate/shell surface a certain distance, avoids all light barriers, and at the center of light reflecting device 102.Ensure to collimate saturating
Mirror is in the projection on optical device bottom plate/shell with corresponding calibration point on optical device bottom plate/shell to just.Device input optical fibre is logical
It crosses fiber connector 103 to connect with optical splitter 112, the light of subsequent laser light source 114 is transferred to device after optical splitter 112
Input optical fibre.When the relative position of collimation lens and device input optical fibre is not at Best Coupling position, only small part or
There is no light that can converge in device input optical fibre after the reflection of light reflecting device 102 through collimation lens, therefore with regard to only yet
Have a small amount of or can be finally passed in light intensity meter 113 without light.At this point, kinetic control system 104 will issue corresponding fortune
Dynamic instruction, by optocoupler hop algorithm, the relative position of adjusting device input optical fibre and collimation lens is read until in light intensity meter 113
To light intensity be maximum value until.When light reflecting device 102 relative to device input optical fibre angle not at optimum position, only
There is small part or through collimation lens and device input light can be converged to after the reflection of light reflecting device 102 without light
In fibre, also just only has a small amount of or can be passed in light intensity meter without light.Refer at this point, motion controller will issue corresponding movement
It enables, adjusts 3 angle dimensions (θ x, θ y, θ z) of the light reflecting device relative to device input optical fibre, every primary light reflection dress of adjustment
The angle for setting 102 requires the coupled motions for being recycled and reused for the relative position of adjusting device input optical fibre and collimation lens, until
Until the light intensity read in light intensity meter 113 is maximum value.Repeatedly until light intensity value can not be further added by, just light reflecting device
102 are fixed up relative to the angle of device input optical fibre.The location point on optical device bottom plate/shell is projected in collimation lens
It is bonded glue, and optical device bottom plate/shell is shifted near into collimation lens, makes that glue comes into full contact with collimation lens but bottom plate does not connect
Touch lens.The value read in light intensity meter 113 at this time is still maximum value.Solidified glue is to be fixed on optical device bottom for collimation lens
On plate/shell, and device input optical fibre will maintain its coupling position between collimation lens.In this way, in other free spaces
Optical device could complete itself to couple and secure on optical device bottom plate/shell by this branch of light collimated.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of light collimates coupling operational platform, which is characterized in that include light reflecting device, light reflecting device fixed device, lens
Clamping device, device optical fiber clamping device, optical device bottom plate and shell clamping device, fiber connector, the first multiaxial motion are flat
Platform (106), the second multiaxial motion platform (108), third multiaxial motion platform (110), optical splitter, laser light source, light intensity meter,
Kinetic control system and vibrationproof platform, the light reflecting device are loaded in third multiaxial motion by the fixed device of light reflecting device and put down
On platform (110), the lens clamping device is fixed on vibrationproof platform and for grabbing collimation lens and ensuring lens in entire coupling
Position is fixed during conjunction, and the optical fiber clamping device will be used to immobilising device optical fiber and be loaded in the first multiaxial motion platform
(106) on, the optical device bottom plate and shell clamping device are for fixing optical device bottom plate and shell and being loaded in the second multiaxis
On motion platform (108), the vibrationproof platform be used to support and fix each motion platform and lens clamping device, the optical branching
One end of device is separately connected defeated laser light source and light intensity by fiber connector interface unit optical fiber, the other end of optical splitter
Meter, the laser light source provide optical signal stable required for coupling adjustment, and the light intensity meter is for reading the light detected
By force, and kinetic control system is fed back to.
2. light according to claim 1 collimates coupling operational platform, which is characterized in that the optical fiber is single mode optical fiber.
3. light according to claim 1 collimates coupling operational platform, which is characterized in that the collimation lens is rectangular.
4. light according to claim 1 collimates coupling operational platform, which is characterized in that the first multiaxial motion platform
(106), the second multiaxial motion platform (108), third multiaxial motion platform (110), movement dimension are X, Y and Z in space
Three straight line dimensions.
5. a kind of light according to claim 1 collimates coupling operational platform, which is characterized in that the first multiaxial motion platform
(106), the second multiaxial motion platform (108), third multiaxial motion platform (110), movement dimension are X, Y and Z in space
Three straight line dimensions and θ x, θ y, θ z the rotation dimension for being based respectively on three straight line dimension rotations.
6. light according to claim 1 collimates coupling operational platform, which is characterized in that the lens clamping device is vacuum
Suction nozzle.
7. light according to claim 1 collimates coupling operational platform, which is characterized in that the lens clamping device is clamping
Formula.
8. light according to claim 1 collimates coupling operational platform, which is characterized in that the lens clamping device has can be right
Lens are rotated, are tilted and the mechanism of swing angle adjustment.
9. light according to claim 1 collimates coupling operational platform, which is characterized in that the device optical fiber clamping device has
Clamped optical fiber can be rotated, tilt and swing angle adjustment mechanism.
10. light according to claim 1 collimates coupling operational platform, which is characterized in that the light reflecting device can make through saturating
Light after mirror collimation is returned through original optical path.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510758054.9A CN106680945B (en) | 2015-11-10 | 2015-11-10 | A kind of light collimation coupling operational platform |
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| CN201510758054.9A CN106680945B (en) | 2015-11-10 | 2015-11-10 | A kind of light collimation coupling operational platform |
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| CN106680945A CN106680945A (en) | 2017-05-17 |
| CN106680945B true CN106680945B (en) | 2019-02-01 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613655B (en) * | 2019-01-17 | 2020-12-15 | 苏州旭创科技有限公司 | Optical assembly and manufacturing method thereof |
| CN111638578A (en) * | 2020-06-30 | 2020-09-08 | 中国计量大学 | Automatic light collimation coupling positioning device based on mirror image binocular vision |
| CN113484967A (en) * | 2021-07-02 | 2021-10-08 | 成都光创联科技有限公司 | Coupling implementation method of spatial collimation optical system |
| CN114779485B (en) * | 2022-03-31 | 2023-08-29 | 昂纳科技(深圳)集团股份有限公司 | Annular light beam generation system and device thereof |
| CN115014725A (en) * | 2022-08-10 | 2022-09-06 | 武汉精立电子技术有限公司 | Optical measurement equipment, installation method and application method of display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0894890A (en) * | 1994-09-28 | 1996-04-12 | Nec Corp | Optical axis alignment method for optical fiber |
| CN104914520A (en) * | 2015-05-25 | 2015-09-16 | 中南大学 | Automatic coupling device of three-in-one coaxial type photoelectronic device |
| CN104965265A (en) * | 2015-07-27 | 2015-10-07 | 武汉光迅科技股份有限公司 | Visual optical fiber assembling device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3833889B2 (en) * | 2000-11-29 | 2006-10-18 | 古河電気工業株式会社 | Laser diode device and optical fiber alignment method, alignment device using the method, and laser diode module |
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2015
- 2015-11-10 CN CN201510758054.9A patent/CN106680945B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0894890A (en) * | 1994-09-28 | 1996-04-12 | Nec Corp | Optical axis alignment method for optical fiber |
| CN104914520A (en) * | 2015-05-25 | 2015-09-16 | 中南大学 | Automatic coupling device of three-in-one coaxial type photoelectronic device |
| CN104965265A (en) * | 2015-07-27 | 2015-10-07 | 武汉光迅科技股份有限公司 | Visual optical fiber assembling device |
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| CN106680945A (en) | 2017-05-17 |
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Address after: 518000 Guangdong city of Shenzhen province Nanshan District high tech Industrial Park in the Southern District of science and technology twelve South Road No. eight Frestech photoelectric building Applicant after: NEOPHOTONICS Corp. Address before: 518000, No. 12, 8 South, Nanshan District science and technology, Guangdong, Shenzhen Applicant before: NEOPHOTONICS Corp. |
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Effective date of registration: 20231221 Address after: Room 601 and 701, North Block, Yuanxing Technology Building, No.1 Songpingshan Road, High tech Industrial Park (North District), Nanshan District, Shenzhen, Guangdong Province, 518057 Patentee after: Longmet Communication Technology (Shenzhen) Co.,Ltd. Address before: 518000 xinfeitong optoelectronic building, No.8, South Keji South 12th Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: NEOPHOTONICS Corp. |