CN205982851U - Multiple beam closes restraints structure - Google Patents
Multiple beam closes restraints structure Download PDFInfo
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- CN205982851U CN205982851U CN201620947231.8U CN201620947231U CN205982851U CN 205982851 U CN205982851 U CN 205982851U CN 201620947231 U CN201620947231 U CN 201620947231U CN 205982851 U CN205982851 U CN 205982851U
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Abstract
The utility model discloses a multiple beam closes restraints structure, including N way beam output module, a N optical compensation module, speculum module, focusing lens module and light receiving module, N is for being greater than 1 positive integer, the optical compensation module is located on the emitting light path of N way beam output module, the speculum module is located on the emitting light path of a N optical compensation module, the focusing lens module is located on the emitting light path of speculum module, light receiving module be located on the emitting light path of focusing lens module. Above -mentioned scheme is arranged in solving that the correlation technique exists, because the error that element design processing and encapsulation assembly etc. Produced leads to debuging the required precision height, the space is closed and is restrainted the technical problem that coupling efficiency is low, provides a new multiple beam closes restraints structure, has realized that it closes the technological effect of restrainting coupling efficiency to improve the space to reduce the processing and the assembly degree of difficulty, be favorable to the batch production of product.
Description
Technical field
This utility model is related to optical field, and more particularly, to a kind of multiple beam closes binding structure.
Background technology
In laser projection display device, industrial high power semiconductor lasers, and optic communication two-forty multi-wave length parallel
The fields such as light transmitting-receiving subassembly, the output wavelength to light beam and luminous power have different requirements, for example：Laser projection is shown and sets
Standby, by carrying out closing bundle RGB three-color light source, to be formed and to export coloured image；For industrial high power semiconductor lasers,
By carrying out closing bundle superposition the light beam of the phase co-wavelength of multiple semiconductor lasers, reach the high-power light output of multikilowatt；
For optic communication two-forty multi-wave length parallel light transmitting-receiving subassembly, by carrying out closing bundle to the light beam of different wave length, realize a light
The wavelength-division multiplex function of fine several roads of simultaneous transmission optical signal.
At present, multiple beam conjunction binding structure is divided into space to close bundle, polarization coupling and wavelength coupling.Wherein, space close bundle by
Do not limit in the polarizability to light source and wavelength, therefore, using relatively broad, but, due to element Design and Machining and encapsulation
The error of the generations such as assembling, can lead to space to close bundle coupling efficiency not high.
Utility model content
The purpose of this utility model is to provide a kind of multiple beam to close binding structure, for solve present in correlation technique due to
The error of the generation such as element Design and Machining and encapsulation assembling, leads to space to close the not high technical problem of bundle coupling efficiency.
In order to realize above-mentioned utility model purpose, this utility model embodiment provides a kind of multiple beam and closes binding structure, bag
Include N road light beam output module, N number of optical compensation module, reflecting mirror module, condenser lenses module and light-receiving module, N be more than
1 positive integer；
Described optical compensation module is located at described N road light beam and exports on the emitting light path of module, described reflecting mirror module position
On the emitting light path of described N number of optical compensation module, described condenser lenses module is located at the emergent light of described reflecting mirror module
Lu Shang, described light-receiving module is located on the emitting light path of described condenser lenses module.
Optionally, described optical compensation module includes optical flat and/or optical wedge gusset plate.
Optionally, described optical compensation module is transparent medium.
Optionally, the material of described optical compensation module is glass or plastics.
Optionally, the surface of described optical compensation module is coated with antireflective coating.
Optionally, described N road light beam output module includes laser generator and collimating and correcting lens group, and described laser occurs
Device is used for generating laser, and described collimating and correcting lens group is used for carrying out collimation process to described laser, to export laser quasi direct light
Bundle.
Optionally, described reflecting mirror module includes multiple reflecting optics, and the plurality of reflecting optics are in multistage stepped；Or
The multistage stepped module that described reflecting mirror module is integrated, the reflecting surface of described multistage stepped module is coated with height
Reflective coating.
Optionally, described condenser lenses module includes one of spherical lenss, non-spherical lens and diffraction lenss.
Optionally, described light-receiving module is single-mode optical assemblies or Multimode fiber optic assemblies.
One of this utility model embodiment or multiple technical scheme, at least have the following technical effect that or excellent
Point：
The multiple beam that this utility model embodiment provides closes binding structure, by N number of optical compensation module, N road light beam is exported
Every road light beam of module output carries out the micro- angle of optics and micrometric displacement compensates, and the light beam after compensation is reflexed to poly- by reflecting mirror module
Focus lens module, after line focus lens module focuses on, is received by Optical Receivers, because optical compensation module can enter to light beam
The micro- angle of row optics and micrometric displacement compensate so that every coupled power between road light beam and light-receiving module reaches requirement, thus
Solve present in correlation technique, due to the error of the generation such as element Design and Machining and encapsulation assembling, bundle is closed in the space leading to
The not high technical problem of coupling efficiency, there is provided a kind of new multiple beam closes binding structure it is achieved that improving space to close bundle coupling effect
The technique effect of rate, and reduce processing and assembly difficulty, be conducive to the batch production of product.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before not paying creative labor
Put, other accompanying drawings can also be obtained according to these accompanying drawings：
Fig. 1 closes the schematic diagram of binding structure for the multiple beam that this utility model embodiment provides；
Fig. 2 is the schematic diagram of the compensation principle of the optical flat of offer in this utility model embodiment；
Fig. 3 is the schematic diagram of the compensation principle of the optical wedge gusset plate of offer in this utility model embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1, Fig. 1 is the schematic diagram that the multiple beam that this utility model embodiment provides closes binding structure, this multiple beam
Close binding structure and include N road light beam output module 10, N number of optical compensation module 20, reflecting mirror module 30, condenser lenses module 40 and
Light-receiving module 50；Optical compensation module 20 is located at N road light beam and exports on the emitting light path of module 10, and reflecting mirror module 30 is located at
On the emitting light path of N number of optical compensation module 20, condenser lenses module 40 is located on the emitting light path of reflecting mirror module 30, and light connects
Receive module 50 to be located on the emitting light path of condenser lenses module 40.
Wherein, N road light beam exports the N road light beam Zhong Mei road light beam of module 10 output through corresponding optical compensation module 20
After compensation, condenser lenses module 40 is reflexed to by reflecting mirror module 30, after line focus lens module 40 focuses on, by light-receiving module
50 receptions.N is the positive integer more than 1, for example：N can be for 4,6 or 9 it is assumed that N be 6, then N road light beam output module 10 can
Export 6 road light beams, accordingly, multiple beam closes binding structure and includes 6 optical compensation modules, with above-mentioned 6 route parallel beams one a pair
Should, respectively optical compensation is carried out to above-mentioned 6 road light beams.
In this utility model embodiment, when assembling to multiple beam conjunction binding structure, can there iing element witness marker
Base on N road light beam output module 10, N number of optical compensation module 20, reflecting mirror module 30, condenser lenses module 40 and are installed
Light-receiving module 50, because N road light beam exports the relative rigging error between module 10 and reflecting mirror module 30, can lead to N road
Collimated light beam reflected mirror module 30 reflection after, in each route parallel beams between relative position produce tilt and offset.This reality
With, in new embodiment, optics being carried out by every road light beam that N number of optical compensation module 20 exports module 10 output to N road light beam
Compensate so that after the reflection of each road light beam reflected mirror module 30, spatial arrangement becomes the adjustable collimated light beam of a branch of relative position,
Thus reducing the coupling loss causing because incident angle is big, improve the efficiency that bundle is closed in space.
In specific implementation process, can by N road light beam export each road light beam of exporting of module 10 respectively with light-receiving
Module 50 is coupled, and during coupling, the position of adjustment optical compensation module 20 is so that optical compensation module 20 is flat
Produce slight rotation in row light path, thus by optical compensation module 20 produce pattern displacement or angle change so that
Each road light beam, toward the central axial direction skew of condenser lenses module 40, thus reducing incident beam size, then, is suitably adjusted
Save light-receiving module 50 so that the coupled power between each road light beam and light-receiving module 50 reaches maximum, thus improving sky
Between close the efficiency of bundle.
In this utility model embodiment, after the coupled power that multiple beam closes binding structure reaches requirement, can be to N road light beam
Output module 10, N number of optical compensation module 20, reflecting mirror module 30, condenser lenses module 40 and light-receiving module 50 are sealed
Dress, packaged multiple beam close binding structure may apply to light show, optical projection, high power laser light source, the field such as optic communication
Optics module and light engine in.
Next, illustrating to the optical compensation in this utility model embodiment.Optical compensation can include displacement and mend
Repay and angle compensation, bit shift compensation is referred to be produced by the picture point that optical compensation module 20 makes light beam in image plane and moves；
Angle compensation refers to make picture point produce the skew of angle by optical compensation module 20.
In order to realize optical compensation, according to a kind of possible embodiment, optical compensation module 20 can include optics puts down
Plate and/or optical wedge gusset plate, wherein, optical flat is used for light beam is carried out bit shift compensation, and optical wedge gusset plate is used for light beam is entered
Row angle compensation, closes in binding structure in multiple beam, and multiple optical flats can be the optical flat of different-thickness, multiple optical wedges
Gusset plate can also be the optical wedge gusset plate of different-thickness and angle.In actual applications, optical compensation module 20 can include light
Learn flat board, Yi Dui mono- road light beam carries out bit shift compensation；Or optical compensation module 20 can also include optical wedge gusset plate, with to one
Road light beam carries out angle compensation；Or optical compensation module 20 can include optical flat and optical wedge gusset plate, with simultaneously to one
Road light beam carries out bit shift compensation and angle compensation, and the application is without limitation.
Next, illustrating to the principle of optical compensation.Refer to Fig. 2, Fig. 2 is for providing in this utility model embodiment
The compensation principle of optical flat schematic diagram.When optical flat is located at and rotates in parallel light path, through the light of optical flat
The image point of bundle moves producing, the angle of oscillation θ (unit is radian) of the amount of movement b of image point (unit is mm) and optical flat just like
Lower relation：
Wherein, d is the thickness (unit is mm) of optical flat, and n is the refractive index of optical flat.From formula (1), b
It is the complicated function of θ, when θ very little, have following approximate relation：
From formula (2), when θ very little, there is between b and θ linear relationship.Therefore, the process of bundle is closed in multiple beam
In, can be by adjusting angle of oscillation θ in parallel light path for the optical flat, thus the displacement to light beam compensates.
Refer to Fig. 3, Fig. 3 is the schematic diagram of the compensation principle of the optical wedge gusset plate of offer in this utility model embodiment.
When glass wedge gusset plate is located in parallel light path, the skew of angle, image point will be produced through the image point of the light beam of optical wedge gusset plate
Angle amount of movement θ (unit be radian) have following relation with the locking angle of glass wedge gusset plate：
θ=(n-1) α (3)
Wherein, n is the refractive index of optical wedge gusset plate.Therefore, during multiple beam closes bundle, the optics angle of wedge can be passed through
Piece compensates to the angle of light beam.
In specific implementation process, the coupled power that the equipment such as light power meter observe each road light beam can be passed through, see
Observe after coupled power reaches requirement, ultraviolet glue precuring this road light beam corresponding optical compensation module can be passed through, and use ring
Oxygen glue carries out heat cure, to increase the reliability of device, in actual applications, it would however also be possible to employ other curing modes, the application
Without limitation.
In this utility model embodiment, optical compensation module 20 can be transparent medium, for example：Optical compensation module 20 can
Think the transparent mediums such as glass, plastics, then optical compensation module 20 can be glass plate or glass wedge gusset plate.Further,
In order to increase the transmitance of light, can also be polished on the surface of optical compensation module 20, and plate antireflective coating.
In this utility model embodiment, light beam output module 10 in N road can export module, laser quasi for laser alignment light beam
Collimated optical beam output module includes laser generator and collimating and correcting lens group, and laser generator is used for generating laser, described collimation
Shaping lens group is used for carrying out collimation process to described laser, to export laser alignment light beam.In actual applications, laser occurs
Device can be semiconductor laser or fixed laser etc..
In such scheme of the present utility model, by multi-path laser collimated beam is carried out closing bundle, it is possible to obtain high-power
Laser exports, thus applying in the fields such as industrial high power laser.In actual applications, N road light beam output module 10 is gone back
Module can be exported for RGB three-color light source, or N road light beam exports module 10 and can also export mould for the different light beam of wavelength
Group, the application is without limitation.
Next, illustrating to the reflecting mirror module 30 in this utility model embodiment, reflecting mirror module 30 can lead to
Cross following two modes to realize.
A kind of possible implementation is：Reflecting mirror module 30 can include multiple discrete reflecting optics, the plurality of
Reflecting optics are in multistage stepped.Specifically, multiple discrete reflecting optics can be installed by multistage stepped frock
And positioning, wherein, reflecting optics can be reflection filter piece, and multistage stepped frock can be metal material or glass material
Matter.After discrete reflecting optics are arranged in multistage stepped frock, it is possible to use ultraviolet glue is to discrete reflecting optics
Carry out precuring, then, remove multistage stepped frock, the heat cure of epoxy glue is carried out to remaining reflecting optics so that many
Individual reflecting optics are in multistage stepped, and increase the reliability of device, in actual applications, it would however also be possible to employ other solidification sides
Formula, the application is without limitation.
Alternatively possible implementation is：Reflecting mirror module 30 can be the multistage stepped module of one, described one
The multistage stepped module of body can be the multistage stepped glass modules being formed by modes such as glass die formings, multistage rank
The reflecting surface of scalariform glass modules is coated with high reflection film layer, to increase the reflectance of light.
In this utility model embodiment, it is saturating that condenser lenses module 40 can include spherical lenss, non-spherical lens and diffraction
One of mirror, for example：Condenser lenses module 40 can be made up of a piece of or multi-disc spherical lenss, and for example：Condenser lenses
Module 40 can also be made up of a piece of or multi-disc non-spherical lens.
In this utility model embodiment, light-receiving module 50 can be single-mode optical assemblies or Multimode fiber optic assemblies.
As can be seen from the above scheme, the multiple beam that this utility model embodiment provides closes binding structure, and device architecture is simple,
The regulation difficulty of the cost of device and light path is relatively low, and it is higher that light beam closes bundle efficiency.
One of this utility model embodiment or multiple technical scheme, at least have the following technical effect that or excellent
Point：
The multiple beam that this utility model embodiment provides closes binding structure, by N number of optical compensation module, N road light beam is exported
Every road light beam of module output carries out the micro- angle of optics and micrometric displacement compensates, and the light beam after compensation is reflexed to poly- by reflecting mirror module
Focus lens module, after line focus lens module focuses on, is received by Optical Receivers, because optical compensation module can enter to light beam
The micro- angle of row optics and micrometric displacement compensate so that every coupled power between road light beam and light-receiving module reaches requirement, thus
Solve present in correlation technique, due to the error of the generation such as element Design and Machining and encapsulation assembling, bundle is closed in the space leading to
The not high technical problem of coupling efficiency, there is provided a kind of new multiple beam closes binding structure it is achieved that improving space to close bundle coupling effect
The technique effect of rate, and reduce processing and assembly difficulty, be conducive to the batch production of product.
All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive
Feature and/or step beyond, all can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically is chatted
State, all can be replaced by other alternative features equivalent or that there is similar purpose.I.e., unless specifically stated otherwise, each feature
It is a series of equivalent or one of similar characteristics example.
This utility model is not limited to aforesaid specific embodiment.This utility model expand to any in this specification
The new feature of middle disclosure or any new combination, and the arbitrary new method of disclosure or the step of process or any new group
Close.
Claims (9)
1. a kind of multiple beam closes binding structure it is characterised in that including N road light beam output module, N number of optical compensation module, reflection
Mirror module, condenser lenses module and light-receiving module, N is the positive integer more than 1；
Described optical compensation module is located at described N road light beam and exports on the emitting light path of module, and described reflecting mirror module is located at institute
State on the emitting light path of N number of optical compensation module, described condenser lenses module is located on the emitting light path of described reflecting mirror module,
Described light-receiving module is located on the emitting light path of described condenser lenses module.
2. multiple beam as claimed in claim 1 closes binding structure it is characterised in that described optical compensation module includes optical flat
And/or optical wedge gusset plate.
3. multiple beam as claimed in claim 2 closes binding structure it is characterised in that described optical compensation module is transparent medium.
4. multiple beam as claimed in claim 3 closes binding structure it is characterised in that the material of described optical compensation module is glass
Or plastics.
5. multiple beam as any one of claim 1-4 closes binding structure it is characterised in that described optical compensation module
Surface is coated with antireflective coating.
6. multiple beam as claimed in claim 1 closes binding structure it is characterised in that light beam output module in described N road includes laser
Generator and collimating and correcting lens group, described laser generator is used for generating laser, and described collimating and correcting lens group is used for institute
State laser and carry out collimation process, to export laser alignment light beam.
7. multiple beam as claimed in claim 1 closes binding structure it is characterised in that described reflecting mirror module includes multiple reflecting mirrors
Piece, the plurality of reflecting optics are in multistage stepped；Or
The multistage stepped module that described reflecting mirror module is integrated, the reflecting surface of described multistage stepped module is coated with high reflection
Film layer.
8. multiple beam as claimed in claim 1 close binding structure it is characterised in that described condenser lenses module to include sphere saturating
One of mirror, non-spherical lens and diffraction lenss.
9. multiple beam as claimed in claim 1 closes binding structure it is characterised in that described light-receiving module is single-mode optical assemblies
Or Multimode fiber optic assemblies.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620947231.8U CN205982851U (en) | 2016-08-26 | 2016-08-26 | Multiple beam closes restraints structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620947231.8U CN205982851U (en) | 2016-08-26 | 2016-08-26 | Multiple beam closes restraints structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107678239A (en) * | 2017-11-23 | 2018-02-09 | 四川长虹电器股份有限公司 | A kind of array laser light source module group |
| CN109986079A (en) * | 2019-03-29 | 2019-07-09 | 西北大学 | Laser linear array 3D metallic print machine and its file conversion, print control program |
| WO2020001467A1 (en) * | 2018-06-26 | 2020-01-02 | 上海微电子装备（集团）股份有限公司 | Multi-wavelength optical system and laser annealing device |
| CN115509002A (en) * | 2022-11-24 | 2022-12-23 | 苏州镭陌科技有限公司 | Adaptive optical monitoring device and method for array light beam |
-
2016
- 2016-08-26 CN CN201620947231.8U patent/CN205982851U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107678239A (en) * | 2017-11-23 | 2018-02-09 | 四川长虹电器股份有限公司 | A kind of array laser light source module group |
| WO2020001467A1 (en) * | 2018-06-26 | 2020-01-02 | 上海微电子装备（集团）股份有限公司 | Multi-wavelength optical system and laser annealing device |
| CN109986079A (en) * | 2019-03-29 | 2019-07-09 | 西北大学 | Laser linear array 3D metallic print machine and its file conversion, print control program |
| CN109986079B (en) * | 2019-03-29 | 2020-04-14 | 西北大学 | Laser linear array 3D metal printer and file conversion and printing control method thereof |
| CN115509002A (en) * | 2022-11-24 | 2022-12-23 | 苏州镭陌科技有限公司 | Adaptive optical monitoring device and method for array light beam |
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