CN109687271A - Optical fiber laser and laser materials processing system - Google Patents
Optical fiber laser and laser materials processing system Download PDFInfo
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- CN109687271A CN109687271A CN201910140250.8A CN201910140250A CN109687271A CN 109687271 A CN109687271 A CN 109687271A CN 201910140250 A CN201910140250 A CN 201910140250A CN 109687271 A CN109687271 A CN 109687271A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 122
- 238000003913 materials processing Methods 0.000 title claims abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000005253 cladding Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 11
- 230000008859 change Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 241001270131 Agaricus moelleri Species 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000003708 ampul Substances 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06729—Peculiar transverse fibre profile
- H01S3/06737—Fibre having multiple non-coaxial cores, e.g. multiple active cores or separate cores for pump and gain
-
- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
- H01S3/0071—Beam steering, e.g. whereby a mirror outside the cavity is present to change the beam direction
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a kind of optical fiber laser and laser materials processing system, optical fiber laser includes laser export head and multiple optical-fiber laser modules, and laser export head includes multiple light-guiding pillars, and multiple light-guiding pillars are arranged in parallel in space；The corresponding transmission fiber of each light-guiding pillar, and be connected by transmission fiber with one in multiple optical-fiber laser modules；Output power by controlling or distributing different optical-fiber laser modules adjusts or changes the section characteristic of guide-lighting colonnade output beam.The application is by the space arrangement to multiple light-guiding pillars, and light-guiding pillar is connected with one or more optical-fiber laser modules, realizes the change of output beam section characteristic.Output power by changing corresponding optical-fiber laser module can be obtained required output facula distribution, and be able to achieve continuously adjusting, adjusting in real time for output facula, and embodiment is versatile and flexible, manufacture craft is relatively easy, and can effectively reduce manufacturing cost.
Description
Technical field
The present invention relates to Materialbearbeitung mit Laserlicht fields, in particular to a kind of optical fiber laser and Materialbearbeitung mit Laserlicht
System.
Background technique
In Materialbearbeitung mit Laserlicht, different technique, which is applied, may have different want to the section characteristic of laser output beam
It asks, other than traditional Gaussian Energy Distribution hot spot, may also need flat-top Energy distribution hot spot, ring-shaped light spot or other classes
The hot spot of type.It, need to be in main beam to reduce splashing, homogenizing molten bath and improving welding effect such as in laser welding application
Surrounding or side increase side beam, or even wish that the Energy distribution of major and minor light beam is adjustable to adapt to different application demands.
Have in the prior art and is coupled the laser beam of the identical or different wavelength of a branch of or multi beam by the method for Space Coupling
Into in the multi-clad at least one toroidal cores, to realize the change of beam in cross section characteristic, however this method need to make
With toroidal cores multi-clad, and manufacture that coupling technique is complicated, and implementation cost is high.
Summary of the invention
The purpose of the present invention is to provide a kind of optical fiber laser and the Materialbearbeitung mit Laserlicht system including the optical fiber laser
System, needs in the method for solving the change of beam in cross section characteristic in the prior art to a certain extent using the more cladding lights of toroidal cores
Fibre, and manufacture coupling technique complexity, the high technical problem of implementation cost.
The first aspect of the present invention provides a kind of optical fiber laser, including laser export head and multiple optical-fiber laser moulds
Block, the laser export head includes multiple light-guiding pillars, and multiple light-guiding pillars are arranged in parallel at guide-lighting colonnade in space；
Each corresponding transmission fiber of the light-guiding pillar, and pass through the transmission fiber and multiple optical-fiber laser moulds
One in block is connected；
It is defeated by controlling or distribute the output power of the different optical-fiber laser modules, adjusting or changing the guide-lighting colonnade
The section characteristic of light beam out.
Further, the laser export head further includes at least one beam splitter, each corresponding institute of the beam splitter
State optical-fiber laser module；
The input optical fibre of the beam splitter is connected with the corresponding optical-fiber laser module, the output optical fibre of the beam splitter
It is connected by the transmission fiber at least two light-guiding pillars.
Further, the laser export head further includes guide post sleeve, and the guide post sleeve is sheathed on the guide-lighting colonnade
Outside, for fixing the guide-lighting colonnade.
Further, the output wavelength between the optical-fiber laser module is different.
Further, cladding light is set on the output optical fibre of the optical-fiber laser module and/or the tail optical fiber of the light-guiding pillar
Stripper.
Further, multiple light-guiding pillars are divided into leading light beam and secondary light-guiding pillar, and the pair light-guiding pillar is around the master
Light-guiding pillar setting, and the leading light beam connects the different optical-fiber laser modules from the secondary light-guiding pillar.
Further, the light-guiding pillar is single cladded-fiber, doubly clad optical fiber, multi-clad or optical material column.
Further, the output end face of the light-guiding pillar is plane, convex surface or concave surface；
When the output end face of the light-guiding pillar is convex surface or concave surface, output end face is spherical convex surface, aspherical convex surface, ball
Face concave surface or aspherical concave.
The second aspect of the present invention additionally provides a kind of laser materials processing system, including described in any of the above-described embodiment
Optical fiber laser.
The beneficial effect of the embodiment of the present invention is: this application provides a kind of optical fiber laser, including laser export head and
Multiple optical-fiber laser modules, the laser export head include multiple light-guiding pillars, and multiple light-guiding pillars are arranged in parallel at leading in space
Light beam column；Each corresponding transmission fiber of the light-guiding pillar, and pass through the transmission fiber and multiple optical-fiber laser moulds
One in block is connected；Output power by controlling or distributing the different optical-fiber laser modules adjusts or changes the leaded light
The section characteristic of column output beam.
Wherein, light-guiding pillar is for reducing power density of the transmitted light beam on light-guiding pillar output end face suitably.It is excellent
The quantity of selection of land, the light-guiding pillar is not limited, and the size of all light-guiding pillars, length, shape can be according to practical need
The design of differentiation is carried out, with output beam section characteristic needed for obtaining.
The application is by the space arrangement to multiple light-guiding pillars, and multiple light-guiding pillars and one or more optical-fiber laser moulds
Block is connected, and realizes the change of output beam section characteristic.By the output work for changing the corresponding optical-fiber laser module
Rate can be obtained required output facula distribution, and be able to achieve continuously adjusting, adjusting in real time for output facula.
To sum up, optical fiber laser provided by the present application can be realized the change of output beam section characteristic, and embodiment
It is versatile and flexible, manufacture craft is relatively easy, and can effectively reduce manufacturing cost.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the optical fiber laser structure schematic diagram of the embodiment of the present application one；
Fig. 2 is the end-view of the laser export head of the optical fiber laser of the embodiment of the present application one；
Fig. 3 is the optical fiber laser structure schematic diagram of the embodiment of the present application two；
Fig. 4 is the end-view of the laser export head of the optical fiber laser of the embodiment of the present application two；
Fig. 5 is the optical fiber laser structure schematic diagram of the embodiment of the present application three；
Fig. 6 is the optical fiber laser structure schematic diagram of the embodiment of the present application four.
Appended drawing reference:
1 is optical-fiber laser module, and 2 be transmission fiber, and 3 be beam splitter, and 4 be light-guiding pillar, and 5 be guide-lighting column sleeve.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
With reference to the accompanying drawing, it elaborates to some embodiments of the present invention.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
Referring to shown in Fig. 1 to Fig. 6, embodiments herein provides a kind of optical fiber laser, including laser export head and
Multiple optical-fiber laser modules 1, laser export head include multiple light-guiding pillars 4, and multiple 4 space arrangements of light-guiding pillar are at guide-lighting colonnade；Often
One light-guiding pillar 4 corresponds to a transmission fiber 2, and is connected by transmission fiber 2 with one in multiple optical-fiber laser modules 1.It is logical
Cross the output power adjusting for controlling or distributing different optical-fiber laser modules 1 or the section characteristic for changing guide-lighting colonnade output beam.
Wherein, light-guiding pillar 4 is for reducing power density of the transmitted light beam on 4 output end face of light-guiding pillar suitably.
Preferably, the quantity of light-guiding pillar 4 is not limited, and the size of all light-guiding pillars 4, length, shape can be according to practical need
The design of differentiation is carried out, with output beam section characteristic needed for obtaining.
Embodiments herein by the space arrangement to multiple light-guiding pillars 4, and multiple light-guiding pillars 4 again with one or more
Optical-fiber laser module 1 is connected, since multiple light-guiding pillars 4 are connected from different optical-fiber laser modules 1, by corresponding optical fiber
The change of the output power of laser module 1 realizes the change of output beam section characteristic.By changing corresponding optical-fiber laser
The output power of module 1 can be obtained required output facula distribution, and be able to achieve continuously adjusting, adjusting in real time for output facula
Section.
Preferably, the laser power of each optical-fiber laser module 1 can be controlled separately, can also be to wherein several or whole
Synchronously control, to realize being modified or controlled for output facula characteristic.
Preferably, embodiment of the present invention is all optical fibre structure, avoids and adjusts dress using complicated space optical path
It sets, also avoids the cumbersome and unstable of space optical path adjusting.
To sum up, optical fiber laser provided by the embodiments of the present application can be realized the change of output beam section characteristic, and real
It applies that scheme is versatile and flexible, manufacture craft is relatively easy, and can effectively reduce manufacturing cost.
In one embodiment of the application, it is preferable that laser export head further includes at least one beam splitter 3, each
Beam splitter 3 corresponds to an optical-fiber laser module 1；
The input optical fibre of beam splitter 3 is connected with corresponding optical-fiber laser module 1, and the output optical fibre of beam splitter 3 passes through transmission
Optical fiber 2 is connected at least two light-guiding pillars 4.That is 3 input optical fibre of output optical fibre with beam splitter of optical-fiber laser module 1 is connected, point
The output optical fibre of beam device 3 is connected with the tail optical fiber of light-guiding pillar 4 respectively again, 3 preferred embodiment of beam splitter can be three tunnels, four tunnels,
Seven tunnels or more output, can be realized redistribute to beam energy in this way, to reach required application purpose.
Preferably, beam splitter 3 can be all optical fibre structure and be also possible to free-space structure, but the laser beam after beam splitting
Or it need to be coupled into transmission fiber 2, to guarantee the flexible transfer of laser energy in whole system.
It, can be according to specifically making it should be noted that the beam splitter 3 of the embodiment of the present application can be set and can also be not provided with
Selectively it is arranged with demand.
In one embodiment of the application, it is preferable that laser export head further includes guide-lighting column sleeve 5；Guide-lighting column sleeve 5 is arranged
In outside guide-lighting colonnade, for fixed guide-lighting colonnade.
It is required to realize that the multiple light-guiding pillars 4 of the present invention add part by housing leaded light column sleeve 5 or machine in laser export head
Arrangement can fix all light-guiding pillars 4 by machinery, gluing, the heating modes such as adhesion or CO2 laser melting after arranging, with
Guarantee system stablizes output.
Preferably, guide-lighting column sleeve 5 is quartz ampoule.
In one embodiment of the application, it is preferable that the output wavelength between optical-fiber laser module 1 is different.
According to different applicable cases, the wavelength of each optical-fiber laser module 1 be may be the same or different.Such as it is each
Light-guiding pillar 4 can also connect the optical-fiber laser module 1 of different wave length, or form multiple combinations, i.e., wherein certain several light-guiding pillar 4 connects
It is connected to the optical-fiber laser module 1 of a certain phase co-wavelength, to realize some special applications.
In one embodiment of the application, it is preferable that the output optical fibre of optical-fiber laser module 1 and/or the tail of light-guiding pillar 4
Cladding light stripper is set on fibre.
The present invention can make cladding light filter on 4 tail optical fiber of light-guiding pillar or the output optical fibre of optical-fiber laser module 1 in an implementation
Except device, to guarantee the stable operation of system.
In one embodiment of the application, it is preferable that shown in Figure 3, multiple light-guiding pillars 4 divide for leading light beam and pair
Light-guiding pillar, secondary light-guiding pillar is around leading light beam setting, and leading light beam connects different optical-fiber laser modules 1 from secondary light-guiding pillar.
The optical fiber laser of the present embodiment increases secondary light-guiding pillar in the surrounding of leading light beam or side, can reduce splashing,
Molten bath is homogenized, therefore the output beam of the optical fiber laser can be effectively improved welding effect.
In one embodiment of the application, it is preferable that light-guiding pillar 4 is single cladded-fiber, doubly clad optical fiber, more cladding lights
It is fine, or pure quartz column or other optical material columns.
In addition, the end surface shape of light-guiding pillar 4 can round, rectangular or other arbitrary shapes, and the length of light-guiding pillar 4 can be with
It equally can also be different.
In one embodiment of the application, it is preferable that the output end face of light-guiding pillar 4 is plane, convex surface or concave surface；
When the output end face of light-guiding pillar 4 is convex surface or concave surface, output end face is spherical convex surface, aspherical convex surface, spherical surface
Concave surface or aspherical concave.
4 output end face of light-guiding pillar of the application can be plane and be also possible to non-planar, i.e., output beam can be diverging
Be also possible to quasi-parallel light；For example be the spherical surface or aspherical of female or male, i.e., light can be allowed in 4 output end face of light-guiding pillar
Beam freely dissipates or is collimated or optimized to light beam；The length of light-guiding pillar 4 can be equally or different.
The embodiments of the present invention also provide a kind of laser materials processing system, the optical fiber including any of the above-described embodiment swashs
Light device, the i.e. laser materials processing system are processed by the optical fiber laser of the embodiment of the present application, the energy of laser beam
Amount distribution is adjustable, output beam section characteristic needed for obtaining, to adapt to different process requirements.
Embodiment one
It please refers to shown in Fig. 1 and Fig. 2, for the present embodiment provides a kind of optical fiber lasers, uses 7 cylindrical light-guiding pillars 4
Close-packed arrays are closely arranged at circle, i.e., an intermediate light-guiding pillar 4, another six light-guiding pillars 4 circumferentially around intermediate light-guiding pillar 4
Column, the tail optical fiber of 7 light-guiding pillars 4 can connect from different optical-fiber laser modules 1, can also wherein certain several 4 tail optical fiber of light-guiding pillar
It is connect with some optical-fiber laser module 1, the laser power of each optical-fiber laser module 1 can be controlled separately can also be to wherein
Several or fully synchronized control, to realize being modified or controlled for output facula characteristic.
It is individually controlled for example, laser power can be exported to intermediate light-guiding pillar 4, while to six on circumferencial direction
A light-guiding pillar 4 exports laser power and is uniformly controlled, by changing intermediate light-guiding pillar 4 and the light-guiding pillar 4 on circumferencial direction
Relative power, can make output facula become gaussian-shape Energy distribution, also can be changed to ring-shaped light spot distribution, also can be changed subject to flat-top energy
Measure hot spot distribution；If it is desirable, each light-guiding pillar 4 can also connect the optical-fiber laser module 1 of different wave length, or formed a variety of
Combination, i.e., wherein certain several light-guiding pillar 4 is connected to the optical-fiber laser module 1 of a certain phase co-wavelength, thus realize it is some special
Application.
Embodiment two
Referring to shown in Fig. 3 and Fig. 4, for the present embodiment provides another optical fiber lasers comprising three optical-fiber laser moulds
Block 1, two of them optical-fiber laser module 1 are respectively connected with a secondary light-guiding pillar, another optical-fiber laser module 1 and leading light beam phase
Even.The optical fiber laser of the present embodiment increases secondary light-guiding pillar in the surrounding of leading light beam or side, can reduce splashing, homogenize it is molten
Pond, therefore the output beam of the optical fiber laser can be effectively improved welding effect.
Embodiment three
It referring to Figure 5, is another optical fiber laser provided in this embodiment comprising seven optical-fiber laser modules 1,
Each optical-fiber laser module 1 is respectively connected with a light-guiding pillar 4.
Example IV
Referring to shown in Fig. 6, for another optical fiber laser provided in this embodiment comprising two optical-fiber laser modules 1,
Each optical-fiber laser module 1 is respectively connected with a beam splitter 3, and the output laser of each optical-fiber laser module 1 becomes after beam splitter 3
To be exported by three transmission fibers 2, the output optical fibre of beam splitter 3 respectively with six be distributed along the circumferential direction upper in laser export head
A leaded light in light-guiding pillar 4 is connected, and the present embodiment can get the distribution output of annulus hot spot.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of optical fiber laser, which is characterized in that including laser export head and multiple optical-fiber laser modules, the laser output
Head includes multiple light-guiding pillars, and multiple light-guiding pillars are arranged in parallel at guide-lighting colonnade in space；
Each corresponding transmission fiber of the light-guiding pillar, and by the transmission fiber and multiple optical-fiber laser modules
One be connected；
By controlling or distributing the output power of the different optical-fiber laser modules, the guide-lighting colonnade output light is adjusted or changed
The section characteristic of beam.
2. optical fiber laser according to claim 1, which is characterized in that the laser export head further includes at least one point
Beam device, the corresponding optical-fiber laser module of each described beam splitter；
The input optical fibre of the beam splitter is connected with the corresponding optical-fiber laser module, and the output optical fibre of the beam splitter passes through
The transmission fiber is connected at least two light-guiding pillars.
3. optical fiber laser according to claim 1, which is characterized in that the laser export head further includes guide post sleeve,
The guide post sleeve is sheathed on outside the guide-lighting colonnade, for fixing the guide-lighting colonnade.
4. optical fiber laser according to claim 1, which is characterized in that the output wavelength between the optical-fiber laser module
It is different.
5. optical fiber laser according to claim 1, which is characterized in that the output optical fibre of the optical-fiber laser module and/
Or cladding light stripper is set on the tail optical fiber of the light-guiding pillar.
6. optical fiber laser according to claim 1, which is characterized in that multiple light-guiding pillars are divided into leading light beam and pair
Light-guiding pillar, the pair light-guiding pillar is around the leading light beam setting, and the leading light beam is different from the secondary light-guiding pillar connection
The optical-fiber laser module.
7. optical fiber laser according to claim 1, which is characterized in that the light-guiding pillar is single cladded-fiber, double clad
Optical fiber, multi-clad or optical material column.
8. optical fiber laser according to claim 1, which is characterized in that the output end face of the light-guiding pillar is plane, convex
Face or concave surface；
When the output end face of the light-guiding pillar is convex surface or concave surface, output end face is that spherical convex surface, aspherical convex surface, spherical surface are recessed
Face or aspherical concave.
9. a kind of laser materials processing system, which is characterized in that including optical-fiber laser as claimed in any one of claims 1 to 8
Device.
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| CN201910140250.8A CN109687271A (en) | 2019-02-22 | 2019-02-22 | Optical fiber laser and laser materials processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021027657A1 (en) * | 2019-08-14 | 2021-02-18 | 方强 | Optical homogenization system employing multiple fiber output laser modules, and machining head |
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