CN206863355U - Optical beam transformation device and laser aid - Google Patents
Optical beam transformation device and laser aid Download PDFInfo
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- CN206863355U CN206863355U CN201720613616.5U CN201720613616U CN206863355U CN 206863355 U CN206863355 U CN 206863355U CN 201720613616 U CN201720613616 U CN 201720613616U CN 206863355 U CN206863355 U CN 206863355U
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- tapered portion
- light beam
- transformation device
- optical beam
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Abstract
The utility model provides a kind of optical beam transformation device and laser aid, is related to optical beam transformation technical field, the optical beam transformation device, including collimator assembly and beam reversal unit, and collimator assembly is used to form collimated light beam；Beam reversal unit is included towards opposite the first tapered portion and the second tapered portion, the line on the summit of the first tapered portion and the second tapered portion is conllinear with the optical axis of collimated light beam, and first tapered portion it is parallel with the bottom surface of the second tapered portion so that the light beam through the first tapered portion close to center projects at marginal position from the second tapered portion；Projected through light beam of first tapered portion at marginal position from the close center of the second tapered portion.So as to which the inside and outside energy of input light is overturn, reach the energy that the beam energy at the marginal position in output beam is more than center position light beam.
Description
Technical field
Optical beam transformation technical field is the utility model is related to, more particularly, to a kind of optical beam transformation device and laser aid.
Background technology
In microelectronics, biomedicine, information industry field, people use various light beams more and more, especially swash
Light beam is relevant to solve microchip manufacture, disk storage, the making of Miniature coder, laser labelling marking etc. as icking tool
Retrofit problem.
TEMoo single-mode laser beams are widely used that on the production line of related factories at present, still, this laser beam is not
Superfinishing superfine comminution can be used for, because what the laser beam followed is Gaussian distribution feature, the center intensity of laser beam to be high and edge
Intensity is weak, so that the profile of the lines being scored, word, pattern is unclear, edge blurry, it is micro-machined to can not meet superfinishing
Particular/special requirement.
Utility model content
The purpose of this utility model is to provide a kind of optical beam transformation device and laser aid, to alleviate existing laser
Lines, word, the profile of pattern of device processing be unclear, edge blurry technical problem.
Optical beam transformation device provided by the utility model, including collimator assembly and beam reversal unit, the collimator assembly
For forming collimated light beam；
The beam reversal unit is included towards opposite the first tapered portion and the second tapered portion, first tapered portion and
The line on the summit of the second tapered portion is conllinear with the optical axis of the collimated light beam, and first tapered portion and the second tapered portion
Bottom surface it is parallel so that through first tapered portion close to center light beam from second tapered portion close to margin location
Place is put to project；Through light beam of first tapered portion at marginal position from the close center of second tapered portion
Project.
Further, first tapered portion and the second tapered portion are axial cone mirror, and first tapered portion and second
The cone angle of tapered portion is identical.
Further, the optical beam transformation device includes shell, and the enclosure is provided with slot, and the slot is used for
First tapered portion described in grafting and the second tapered portion.
Further, the quantity of the slot is multiple, and multiple slots are set along the optical axis direction, and described the
One tapered portion and the second tapered portion is selectable is plugged in the slot so that first tapered portion and the second tapered portion it
Between distance it is adjustable.
Further, the distance between described first tapered portion and the second tapered portion are adjustable.
Further, the optical beam transformation device includes guide rail, first tapered portion and the second tapered portion respectively with institute
State guide rail to be slidably connected, so that the distance between first tapered portion and second tapered portion are adjustable.
Laser aid provided by the utility model, including above-mentioned optical beam transformation device.
Optical beam transformation device provided by the utility model, including collimator assembly and beam reversal unit, incident beam pass through
After collimator assembly, collimated light beam can be formed.The beam reversal unit is included towards the first opposite tapered portion and the second cone
Shape portion, and the line on the summit of the first tapered portion and the second tapered portion is conllinear with the optical axis of the collimated light beam, described first
Tapered portion is parallel with the bottom surface of the second tapered portion.Collimated light beam passes through beam reversal unit, continuous refraction will occur, so as to change
The composition structure of multiple tracks light beam in light beam is become parallel, the light beam positioned at collimated light beam center position will be flipped to edge-light
Beam, and the light beam at collimated light beam edge will be flipped to central light beam, the so light beam from the output of optical beam transformation device and incidence
Compare before, the inside and outside energy of light beam will be exchanged, while circular light beam is changed into light beam in a ring, and annular beam energy is more
Add concentration, for processing, quarter it is thinner, quarter it is deeper.Inputs light beam is provided from the utility model so as to reach to work as
Optical beam transformation device input after, the energy of the beam edge energy ratio center position of output wants high technique effect.So
Light beam after being exported using optical beam transformation device provided by the utility model is carved, obtained lines, word, the wheel of pattern
Wide, clear-cut margin.
Laser aid provided by the utility model, including above-mentioned optical beam transformation device, after incident beam is by collimator assembly,
Collimated light beam can be formed.The beam reversal unit is included towards opposite the first tapered portion and the second tapered portion, Er Qie
The line on the summit of one tapered portion and the second tapered portion is conllinear with the optical axis of the collimated light beam, first tapered portion and second
The bottom surface of tapered portion is parallel.Collimated light beam passes through beam reversal unit, continuous refraction will occur, so as to change in collimated light beam
The composition structure of multiple tracks light beam, edge light beam will be flipped to positioned at the light beam of collimated light beam center position, and collimated light beam
The light beam at edge will be flipped to central light beam, so from the light beam of optical beam transformation device output compared with before incidence, light beam
Inside and outside energy will exchange, while by circular light beam change in a ring light beam, annular beam energy more concentrate, to processing
For, quarter it is thinner, quarter it is deeper.So as to reach when by inputs light beam from optical beam transformation device provided by the utility model
After input, the energy of the beam edge energy ratio center position of output wants high technique effect.So utilize the utility model
Light beam after the optical beam transformation device output of offer is carved, obtained lines, word, the profile of pattern, clear-cut margin.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the optical beam transformation device sectional view that the utility model embodiment 1 provides；
Fig. 2 is a kind of light path principle figure for the optical beam transformation device that the utility model embodiment 1 provides；
Fig. 3 is another light path principle figure for the optical beam transformation device that the utility model embodiment 1 provides；
Fig. 4 is the sectional view of the overlook direction for the optical beam transformation device that the utility model embodiment 2 provides；
Fig. 5 is the schematic diagram for the laser aid that the utility model embodiment provides.
Icon：100- optical beam transformation devices；The tapered portion of 110- first；The tapered portion of 120- second；200- guide rails；300- is collimated
Component；400- shells；410- slots；The 500- joints of optical fibre；600- lens groups；700- condenser lenses.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, such as occur term " " center ", " on ", " under ", " left side ",
" right side ", " vertical ", " level ", " interior ", " outer " etc., its orientation indicated or position relationship are based on orientation shown in the drawings or position
Relation is put, description the utility model is for only for ease of and simplifies description, rather than indicate or imply signified device or element
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.This
Outside, such as there is term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or implying relatively heavy
The property wanted.
The utility model provides a kind of optical beam transformation device, and multiple embodiments are given below to provided by the utility model
The structure of optical beam transformation device is described in detail.
Embodiment 1
Optical beam transformation device 100 provided by the utility model, including collimator assembly 300 and beam reversal unit, incident light
After beam is by collimator assembly 300, collimated light beam can be formed.The beam reversal unit is included towards the first opposite tapered portion
110 and second tapered portion 120, and the line on the summit of the first tapered portion 110 and the second tapered portion 120 and the collimated light beam
Optical axis it is conllinear, first tapered portion 110 is parallel with the bottom surface of the second tapered portion 120.Collimated light beam passes through beam reversal list
Member, continuous refraction will occur, so as to change the composition structure of multiple tracks light beam in collimated light beam, positioned at collimated light beam center
The light beam at place will be flipped to edge light beam, and the light beam at collimated light beam edge will be flipped to central light beam, so from light beam
Compared with before incidence, the inside and outside energy of light beam will be exchanged the light beam that converting means 100 exports, while circular light beam is changed
Become light beam in a ring, annular beam energy is more concentrated, for processing, quarter it is thinner, quarter it is deeper.Work as so as to reach
By inputs light beam after optical beam transformation device 100 provided by the utility model inputs, the beam edge energy ratio centre bit of output
The energy at the place of putting wants high technique effect.So light beam after being exported using optical beam transformation device 100 provided by the utility model
Carved, obtained lines, word, the profile of pattern, clear-cut margin.
The collimator assembly 300 can be made up of multiple lens, for forming collimated light beam, for example, collimator assembly 300 wraps
A concavees lens and a convex lens are included, along the direction of propagation of input light, are followed successively by concavees lens, convex lens, concavees lens can rise
To the effect expanded, two convex lens can form collimated light beam.The optical beam transformation device 100 can include condenser lens 700,
Annular beam can be converged.
Preferably, as shown in figure 1, the tapered portion 120 of first tapered portion 110 and second for axial cone mirror, and the first cone
Shape portion 110 is identical with the cone angle of the second tapered portion 120, so that output light is the parallel and light of optical axis, it is adjustable so as to reach
Humorous angle is more extensive.According to index path as can be seen that incident beam enters the first tapered portion 110 being oppositely arranged and
After two tapered portion 120, by multiple refraction action, the beam path positioned at center can be changed into edge light beam,
Similarly, the collimated light beam positioned at edge changes into the light beam positioned at center.It is middle because laser beam meets Gaussian Profile
The energy ratio marginal position of position is high, and after upset, the laser beam edge energy of output is some higher, is carved characters
Or can be clearer when drawing.
Such as Fig. 2-3, the cone direction of the first tapered portion 110 and the second tapered portion 120 can be with identical or direction on the contrary, not
The effect for overturning the energy at the center of input light and edge is influenceed, the light beam from the output of the second tapered portion 120 is annular beam.
Preferably, the distance between described tapered portion 120 of first tapered portion 110 and second is adjustable.It is defeated so as to change
The depth of focus of light extraction, so when processing, for example thick material is cut, it is necessary to which depth of focus is long, thin material is, it is necessary to depth of focus
It is shorter.Because the summit of the first tapered portion 110 and the second tapered portion 120 is constantly on the optical axis of collimated light beam, that is,
Say, the distance between summit of the first tapered portion 110 and the second tapered portion 120 can be adjusted.By changing the first tapered portion 110
The distance between second tapered portion 120, thus it is possible to vary the hot spot of the light beam of injection and the size of depth of focus, when the first tapered portion
110 and second the distance between tapered portion 120 reduce, the hot spot of the emergent light depth of focus that diminishes becomes big；When the first tapered portion 110 and
The distance between two tapered portion 120 increase, and the hot spot of emergent light becomes big depth of focus and diminished.So as to by adjusting the first tapered portion
110 and second the distance between tapered portion 120 optical beam transformation device 100 is debugged, be best suitable for matching somebody with somebody for processing so as to find
Put.
Specifically, the optical beam transformation device 100 includes shell 400, shell 400 can be column, be set in shell 400
Guide rail 200 is equipped with, guide rail 200 is fixedly connected with shell 400, and the bottom surface of conical mirror can be vertical with glide direction, the first taper
The periphery of the tapered portion 120 of portion 110 and second can be provided with mirror holder, and mirror holder is slidably connected with the guide rail 200, can make first
The distance between the tapered portion 120 of tapered portion 110 and second is adjustable, convenient that optical beam transformation device 100 is debugged.
Embodiment 2
As shown in figure 4, difference from Example 1 is, the optical beam transformation device 100 includes shell 400, described outer
Shell 400 is internally provided with slot 410, and the slot 410 is used for the first tapered portion 110 and the second tapered portion 120 described in grafting.The
One tapered portion 110 and the second tapered portion 120 include picture frame, and user can be by the first tapered portion 110 and the second tapered portion 120
It is inserted into shell 400, the first tapered portion 110 and the second tapered portion 120 is collimated with optical axis, it is easy to operate.
Preferably, the quantity of the slot 410 is multiple, and multiple slots 410 are set along the optical axis direction, institute
State the first tapered portion 110 and the second tapered portion 120 is selectable is plugged in the slot 410, so that first tapered portion
110 and second the distance between tapered portion 120 it is adjustable.So as to change the depth of focus of output light, so when processing, than
The material of thickness is such as cut, it is necessary to which depth of focus is long, thin material is, it is necessary to which depth of focus is shorter.
Laser aid provided by the utility model, including above-mentioned optical beam transformation device 100, incident beam passes through collimator assembly
After 300, collimated light beam can be formed.The beam reversal unit is included towards the first opposite tapered portion 110 and the second taper
Portion 120, and the line on the summit of the first tapered portion 110 and the second tapered portion 120 is conllinear with the optical axis of the collimated light beam, institute
It is parallel with the bottom surface of the second tapered portion 120 to state the first tapered portion 110.Collimated light beam passes through beam reversal unit, will occur continuous
Refraction, so as to change the composition structure of multiple tracks light beam in collimated light beam, the light beam positioned at collimated light beam center position will be by
Edge light beam is turned into, and the light beam at collimated light beam edge will be flipped to central light beam, it is so defeated from optical beam transformation device 100
Compared with before incidence, the inside and outside energy of light beam will be exchanged the light beam gone out, while circular light beam is changed into light beam in a ring,
Annular beam energy is more concentrated, for processing, quarter it is thinner, quarter it is deeper.Work as so as to reach by common incident light
Beam is after optical beam transformation device 100 provided by the utility model input, the energy of the beam edge energy ratio center position of output
Amount wants high technique effect.So the light beam after being exported using optical beam transformation device 100 provided by the utility model is carved,
Obtained lines, word, the profile of pattern, clear-cut margin.
As shown in figure 5, laser aid provided by the utility model also includes the joints of optical fibre 500, provided for laser aid
Light source, lens group 600 is respectively arranged with the front-end and back-end of optical beam transformation device 100, for adjustment and collimated light beam.
Laser aid includes grip part, is gripped for user, workpiece to be processed is carved.It is provided with grip part
Electro-insulating rubber layer.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (7)
1. a kind of optical beam transformation device, it is characterised in that including collimator assembly and beam reversal unit, the collimator assembly is used for
Form collimated light beam；
The beam reversal unit is included towards opposite the first tapered portion and the second tapered portion, first tapered portion and second
The line on the summit of tapered portion is conllinear with the optical axis of the collimated light beam, and the bottom surface of first tapered portion and the second tapered portion
It is parallel, so that the light beam through first tapered portion close to center is penetrated from second tapered portion at marginal position
Go out；Projected through light beam of first tapered portion at marginal position from the close center of second tapered portion.
2. optical beam transformation device according to claim 1, it is characterised in that first tapered portion and the second tapered portion are equal
For axial cone mirror, and first tapered portion is identical with the cone angle of the second tapered portion.
3. optical beam transformation device according to claim 1, it is characterised in that the optical beam transformation device includes shell, institute
State enclosure and be provided with slot, the slot is used for the first tapered portion and the second tapered portion described in grafting.
4. optical beam transformation device according to claim 3, it is characterised in that the quantity of the slot is multiple and multiple
The slot is set along the optical axis direction, and first tapered portion and the second tapered portion are selectable to be plugged on the slot
It is interior, so that the distance between first tapered portion and second tapered portion are adjustable.
5. optical beam transformation device according to claim 1, it is characterised in that first tapered portion and the second tapered portion it
Between distance it is adjustable.
6. optical beam transformation device according to claim 5, it is characterised in that the optical beam transformation device includes guide rail, institute
State the first tapered portion and the second tapered portion is slidably connected with the guide rail respectively, so that first tapered portion and the second tapered portion
The distance between it is adjustable.
7. a kind of laser aid, it is characterised in that including the optical beam transformation device described in claim 1-6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720613616.5U CN206863355U (en) | 2017-05-26 | 2017-05-26 | Optical beam transformation device and laser aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720613616.5U CN206863355U (en) | 2017-05-26 | 2017-05-26 | Optical beam transformation device and laser aid |
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| Publication Number | Publication Date |
|---|---|
| CN206863355U true CN206863355U (en) | 2018-01-09 |
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ID=60824312
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720613616.5U Active CN206863355U (en) | 2017-05-26 | 2017-05-26 | Optical beam transformation device and laser aid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990540A (en) * | 2017-05-26 | 2017-07-28 | 北京华岸科技有限公司 | Optical beam transformation device and laser aid |
-
2017
- 2017-05-26 CN CN201720613616.5U patent/CN206863355U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990540A (en) * | 2017-05-26 | 2017-07-28 | 北京华岸科技有限公司 | Optical beam transformation device and laser aid |
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