CN109687291A - Array laser coupling device - Google Patents
Array laser coupling device Download PDFInfo
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- CN109687291A CN109687291A CN201910163478.9A CN201910163478A CN109687291A CN 109687291 A CN109687291 A CN 109687291A CN 201910163478 A CN201910163478 A CN 201910163478A CN 109687291 A CN109687291 A CN 109687291A
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- laser
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- array laser
- coupled
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- 230000008878 coupling Effects 0.000 title claims abstract description 26
- 238000010168 coupling process Methods 0.000 title claims abstract description 26
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 26
- 230000003287 optical effect Effects 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 239000004065 semiconductor Substances 0.000 claims description 14
- 239000013307 optical fiber Substances 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 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
- 238000007648 laser printing Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
This application discloses a kind of array laser coupling devices, the device includes: array laser and the plano-convex lens being set in sequence along laser transmission direction, biconcave lens and coupled lens, and each single laser emitting laser focuses at the front focus of plano-convex lens in array laser；The optical centre of plano-convex lens, biconcave lens and coupled lens is coplanar.Multi-path laser can be coupled and is accurately coupled into optical device to be coupled simultaneously by the device.
Description
Technical field
This application involves a kind of array laser coupling devices, belong to laser field.
Background technique
Semiconductor laser is a kind of important laser.It is small in size, the service life is long, and the mode of Injection Current can be used
To pump.Semiconductor laser operating voltage and electric current can be compatible with integrated circuit, thus can single-chip integration therewith.Semiconductor swashs
Light device can also directly carry out current-modulation with the up to frequency of GHz to obtain the output of the laser of High Speed Modulation.
Due to these advantages, semiconductor laser is in laser communication, optical storage, optical circulator, laser printing, ranging and thunder
Up to etc. have been widely used.
But individually semiconductor laser power is less than normal, in order to improve power, needs to generate multiple semiconductor lasers
It is used after laser coupled.Lack the technological means for coupling multiple semiconductor array lasers in the prior art.
Summary of the invention
According to the one aspect of the application, a kind of array laser coupling device is provided, which can be by multi-path laser
Coupling is accurately coupled into optical device to be coupled simultaneously.
The array laser coupling device characterized by comprising array laser and along laser transmission direction sequentially
Plano-convex lens, biconcave lens and the coupled lens of setting, each single laser emitting laser focuses on institute in the array laser
It states at the front focus of plano-convex lens；
The optical centre of the plano-convex lens, the biconcave lens and the coupled lens is coplanar.
Optionally, the geometric center of the array laser light-emitting surface simultaneously with the plano-convex lens, the biconcave lens
It is coplanar with the optical centre of the coupled lens；
The coupled lens are coplanar with the optical centre of device to be coupled and optical path is connect.
Optionally, including reflection microscope group, the array laser shoot laser focus after being reflected by the reflection microscope group.
Optionally, the reflection microscope group include it is multiple be arranged in pairs ground reflecting mirror and adjustment frame, the reflecting mirror be installed on
In the one side of the adjustment frame, the reflecting mirror is adjusted with incident light angulation by the adjustment frame.
Optionally, the adjustment frame includes: the first plate body and bracket, and the reflecting mirror is installed on the one of first plate body
Side；The bracket is installed on the another side of first plate body；
The bracket includes the second plate body, fixed screw, multiple adjustment screws and spring, and the fixed screw is by described the
Two plate bodys are installed on first plate body；
The spring pocket is set on the adjustment screw, and compression be installed on second plate body and first plate body it
Between.
Optionally, the array laser for array arrangement semiconductor laser；
Preferably, the array laser includes 8 single lasers, and each single laser is by the column arrangement of 2 rows 4；
Preferably, the array laser includes laser group, and list laser described in the laser group is arranged by 2 rows 4
Arrangement.
Optionally, the rear focus of the plano-convex lens is overlapped with the virtual focus of the biconcave lens；
Preferably, the coupled lens emergent light focuses in the device to be coupled.
Optionally, the array laser includes that multiple single lasers and block, the block surface open up multiple installations
Hole, the installation hole array setting；
Each single laser is installed in the mounting hole.
Optionally, the array laser includes laser lens, the laser lens and single laser light-emitting surface light
Road connection, and accommodate and be set in the mounting hole.
Optionally, the plano-convex lens are plano-convex cylindrical lens or non-spherical lens；
The coupled lens are non-spherical lens；
The device to be coupled is optical fiber, and the optical fiber is multimode fibre.
In the application, " optical centres of each lens ", when referring to the light of any direction by this, the propagation side of light
To constant.
In the application, " optical path connection " refers to that light beam passes through multiple optical devices or without optics on the transmit path
Enter target devices after device transmission.Those skilled in the art can as needed carry out optical device by this field conventional arrangement
Arrangement, to realize the needs of beam propagation.
The beneficial effect that the application can generate includes:
1) array laser coupling device provided herein, the multi-path laser that multilevel semiconductor laser can be generated
It is coupled into optical fiber simultaneously, to improve coupling efficiency.
Detailed description of the invention
Fig. 1 is array laser coupling mechanism structure schematic diagram in a kind of embodiment of the application；
Fig. 2 is semiconductor array laser structural schematic diagram in Fig. 1, wherein (a) is that semiconductor array laser left view is shown
It is intended to；It (b) is semiconductor array laser partial schematic sectional view；
Fig. 3 is reflector alignment frame structural schematic diagram in Fig. 1, wherein (a) is reflector alignment frame schematic front view；(b)
For reflector alignment frame left view schematic diagram；
Component and reference signs list:
| Component names | Appended drawing reference | Component names | Appended drawing reference |
| Array laser | 1 | Reflecting mirror | 2 |
| Adjustment frame | 3 | Plano-convex lens | 4 |
| Biconcave lens | 5 | Coupled lens | 6 |
| Optical fiber | 7 | ----- | ----- |
| Laser lens | 110 | Single laser | 120 |
| First plate body | 11 | Fixed screw | 12 |
| Adjust screw | 13 | Second plate body | 10 |
Specific embodiment
The application is described in detail below with reference to embodiment, but the application is not limited to these embodiments.
Referring to Fig. 1, array laser coupling device provided by the present application, comprising: array laser 1 and along laser transmission side
To the plano-convex lens 4, biconcave lens 5 and coupled lens 6 being set in sequence, each list laser 120 is emitted in the array laser 1
Laser focuses at the front focus of the plano-convex lens 4；The plano-convex lens 4, the biconcave lens 5 and the coupled lens 6
Optical centre it is coplanar.
It include single laser 120 of multiple array arrangements in the array laser 1, each laser can be all kinds of needs
The laser of coupling.
Optionally, the geometric center of 1 light-emitting surface of array laser is saturating with the plano-convex lens 4, the concave-concave simultaneously
The optical centre of mirror 5 and the coupled lens 6 is coplanar；The optical centre of the coupled lens 6 and device to be coupled is coplanar
And optical path connects.
(a)~(b) referring to fig. 2, optionally, the array laser 1 include multiple single lasers 120 and block, described
Block surface opens up multiple mounting holes, the mounting hole array arrangement；Each single laser 120 is installed on the mounting hole
In.
Optionally, array laser 1 includes laser lens 110, and the laser lens 110 are set to single laser
Before 120 light-emitting surfaces, and accommodates and be set in the mounting hole.
Optionally, including 2 groups of reflecting mirror, 1 shoot laser of array laser after 2 groups of reflections of the reflecting mirror by gathering
It is burnt.2 groups of reflecting mirror for adjusting the transmission optical path of array laser 1, so that the laser that array laser 1 is transmitted and plano-convex are saturating
The front focus of mirror 4 focuses.
Optionally, 2 groups of the reflecting mirror include it is multiple be arranged in pairs ground reflecting mirror 2 and adjustment frame 3, the reflecting mirror 2 is pacified
In one side loaded on the adjustment frame 3, the reflecting mirror 2 is adjusted with incident light angulation by the adjustment frame 3.
Referring to Fig. 3 (a)~(b), optionally, the adjustment frame 3 includes: the first plate body 11 and bracket, and the reflecting mirror 2 is pacified
One side loaded on first plate body 11；The bracket is installed on the another side of first plate body 11；The bracket packet
The second plate body 10, fixed screw 12, multiple adjustment screws 13 and spring, the fixed screw 12 is included to pacify second plate body 10
Loaded on first plate body 11；The spring pocket is set on the adjustment screw 13, and is compressed and be installed on second plate body
Between 10 and first plate body 11.
In use, adjusting reflecting mirror 2 to required angle, the whole screw 13 of 11 back spin modulation of the first plate body is squeezed.Work as tune
After whole screw 13 is rotated in place, the first plate body 11 is discharged, under the action of the spring, the first plate body 11 abuts stationary mirror 2
It sets.
Using 1 coupling device of array laser provided by the present application, the multichannel generated to array laser 1 can be effectively improved
The regulated efficiency of laser transmission direction, to realize that multi-path laser can accurately be coupled in the lesser optical fiber class optical device of incidence surface
In.
Optionally, the rear focus of the plano-convex lens 4 is overlapped with the virtual focus of the biconcave lens 5；Preferably, the coupling
6 emergent light of lens is closed to focus in the device to be coupled.
Optionally, the focus of the coupled lens 6 is located in the device to be coupled.
Optionally, the plano-convex lens are plano-convex cylindrical lens or non-spherical lens.
Optionally, the coupled lens 6 are non-spherical lens.
Optionally, the device to be coupled is optical fiber 7, and the optical fiber 7 is multimode fibre.
Optionally, the array laser 1 for array arrangement semiconductor laser；
Preferably, the array laser 1 includes 8 single lasers 120, and each single laser 120 presses 2 rows 4
Column arrangement；Preferably, the array laser 1 includes laser group, and list laser 120 described in the laser group presses 2 rows 4
Column arrangement.
In one embodiment, referring to Fig. 3, in 2 groups of reflecting mirror, each reflecting mirror 2, which is installed on, is adjustable reflecting mirror 2 and enters
It penetrates on the regulating member of light angle.Adjusting bracket includes the first plate body 11 and bracket.Reflecting mirror 2 is installed on the one of the first plate body 11
On side.Bracket includes the second plate body 10 and multiple screws.Bracket is by being set to the fixed screw 12 at 10 center of the second plate body
It is fixed on the first plate another side.Adjustment screw 13 is installed on four vertex of plate body.The one end for adjusting screw 13 is stretched out
Outside plate body, the other end is connected with adjustment plate.Spring is set between plate body and adjustment plate.
In use, adjusting reflecting mirror 2 to required angle, the whole screw 13 of 11 back spin modulation of the first plate body is squeezed.Work as tune
After whole screw 13 is rotated in place, the first plate body 11 is discharged, under the action of the spring, the first plate body 11 abuts stationary mirror 2
It sets.
The above is only several embodiments of the application, not does any type of limitation to the application, although this Shen
Please disclosed as above with preferred embodiment, however not to limit the application, any person skilled in the art is not taking off
In the range of technical scheme, a little variation or modification are made using the technology contents of the disclosure above and is equal to
Case study on implementation is imitated, is belonged in technical proposal scope.
Claims (10)
1. a kind of array laser coupling device characterized by comprising array laser and sequentially set along laser transmission direction
Plano-convex lens, biconcave lens and the coupled lens set, each single laser emitting laser focuses on described in the array laser
At the front focus of plano-convex lens；
The optical centre of the plano-convex lens, the biconcave lens and the coupled lens is coplanar.
2. array laser coupling device according to claim 1, which is characterized in that the array laser light-emitting surface
Geometric center is coplanar with the optical centre of the plano-convex lens, the biconcave lens and the coupled lens simultaneously；
The coupled lens are coplanar with the optical centre of device to be coupled and optical path is connect.
3. array laser coupling device according to claim 1, which is characterized in that the array laser coupling device
Including reflecting microscope group, the array laser shoot laser focuses after being reflected by the reflection microscope group.
4. array laser coupling device according to claim 3, which is characterized in that the reflection microscope group include it is multiple at
To reflecting mirror and adjustment frame is configured, the reflecting mirror is installed in the one side of the adjustment frame, the reflecting mirror and incident light
Angulation is adjusted by the adjustment frame.
5. array laser coupling device according to claim 4, which is characterized in that the adjustment frame includes: the first plate
Body and bracket, the reflecting mirror are installed on the one side of first plate body；The bracket is installed on the another of first plate body
One side；
The bracket includes the second plate body, fixed screw, multiple adjustment screws and spring, and the fixed screw is by second plate
Body is installed on first plate body；
The spring pocket is set on the adjustment screw, and is compressed and be installed between second plate body and first plate body.
6. array laser coupling device according to claim 1, which is characterized in that the array laser is array row
Cloth ground semiconductor laser；
Preferably, the array laser includes 8 single lasers, and each single laser is by the column arrangement of 2 rows 4；
Preferably, the array laser includes multiple laser groups, and list laser described in the laser group is arranged by 2 rows 4
Arrangement.
7. array laser coupling device according to claim 1, which is characterized in that the rear focus of the plano-convex lens with
The virtual focus of the biconcave lens is overlapped；
Preferably, the coupled lens emergent light focuses in the device to be coupled.
8. array laser coupling device according to claim 1, which is characterized in that the array laser includes multiple
Single laser and block, the block surface open up multiple mounting holes, the installation hole array setting；
Each single laser is installed in the mounting hole.
9. array laser coupling device according to claim 8, which is characterized in that the array laser includes laser
Lens, the laser lens are connect with single laser light-emitting surface optical path, and are accommodated and be set in the mounting hole.
10. array laser coupling device according to claim 2, which is characterized in that the plano-convex lens are plano-convex column
Face mirror or non-spherical lens；
The coupled lens are non-spherical lens；
The device to be coupled is optical fiber, and the optical fiber is multimode fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910163478.9A CN109687291B (en) | 2019-03-05 | 2019-03-05 | Array laser coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910163478.9A CN109687291B (en) | 2019-03-05 | 2019-03-05 | Array laser coupling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109687291A true CN109687291A (en) | 2019-04-26 |
| CN109687291B CN109687291B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910163478.9A Active CN109687291B (en) | 2019-03-05 | 2019-03-05 | Array laser coupling device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI254877B (en) * | 2004-12-16 | 2006-05-11 | Pacing Technology Co Ltd | Light generation module of optic mouse |
| CN104749714A (en) * | 2013-12-25 | 2015-07-01 | 福州高意通讯有限公司 | TOSA optical structure |
| US20150236479A1 (en) * | 2014-02-14 | 2015-08-20 | Mitsubishi Electric Corporation | Laser beam-combining optical device |
| CN204667037U (en) * | 2015-06-08 | 2015-09-23 | 合肥恒锐光电科技有限公司 | A kind of projection laser engine |
| CN206833037U (en) * | 2017-06-27 | 2018-01-02 | 湖北久之洋信息科技有限公司 | A kind of fiber-coupled optical system |
| CN207557536U (en) * | 2017-11-11 | 2018-06-29 | 深圳市中科创激光技术有限公司 | A kind of red-light source module |
-
2019
- 2019-03-05 CN CN201910163478.9A patent/CN109687291B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI254877B (en) * | 2004-12-16 | 2006-05-11 | Pacing Technology Co Ltd | Light generation module of optic mouse |
| CN104749714A (en) * | 2013-12-25 | 2015-07-01 | 福州高意通讯有限公司 | TOSA optical structure |
| US20150236479A1 (en) * | 2014-02-14 | 2015-08-20 | Mitsubishi Electric Corporation | Laser beam-combining optical device |
| CN204667037U (en) * | 2015-06-08 | 2015-09-23 | 合肥恒锐光电科技有限公司 | A kind of projection laser engine |
| CN206833037U (en) * | 2017-06-27 | 2018-01-02 | 湖北久之洋信息科技有限公司 | A kind of fiber-coupled optical system |
| CN207557536U (en) * | 2017-11-11 | 2018-06-29 | 深圳市中科创激光技术有限公司 | A kind of red-light source module |
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| CN109687291B (en) | 2024-04-12 |
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