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CN112563869A - Composite all-fiber laser system - Google Patents

Composite all-fiber laser system Download PDF

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Publication number
CN112563869A
CN112563869A CN202011432167.7A CN202011432167A CN112563869A CN 112563869 A CN112563869 A CN 112563869A CN 202011432167 A CN202011432167 A CN 202011432167A CN 112563869 A CN112563869 A CN 112563869A
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CN
China
Prior art keywords
laser
fiber
module
laser beam
output
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Pending
Application number
CN202011432167.7A
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Chinese (zh)
Inventor
高放
张先明
丁建武
刘进辉
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Guanghui Shanghai Laser Technology Co ltd
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Guanghui Shanghai Laser Technology Co ltd
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Priority to CN202011432167.7A priority Critical patent/CN112563869A/en
Publication of CN112563869A publication Critical patent/CN112563869A/en
Pending legal-status Critical Current

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/0604—Shaping the laser beam, e.g. by masks or multi-focusing by a combination of beams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/073—Shaping the laser spot
    • B23K26/0734—Shaping the laser spot into an annular shape
    • 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
    • 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
    • H01S3/0085—Modulating the output, i.e. the laser beam is modulated outside the laser cavity
    • 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
    • H01S3/06754—Fibre amplifiers
    • H01S3/06783—Amplifying coupler
    • 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
    • H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
    • 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
    • H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
    • H01S5/0085—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for modulating the output, i.e. the laser beam is modulated outside the laser cavity

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention discloses a composite all-fiber laser system, which comprises: a fiber laser module; a semiconductor laser module; the laser coupling module is characterized in that a main power laser beam input end of the laser coupling module is connected with a main power laser beam output end of the fiber laser module, and a plurality of auxiliary power laser beam output ends of the laser coupling module are respectively and correspondingly connected with a plurality of auxiliary power laser beam output ends of the semiconductor laser module; the input end of the composite laser output optical cable is connected with the coupled laser beam output end of the laser coupling module, and the output end of the composite laser output optical cable transmits the coupled laser beam to the surface of a workpiece; and the control module is respectively connected with the optical fiber laser module and the semiconductor laser module. The invention improves the processing quality, reduces the resonance range and reduces the use cost and the maintenance cost.

Description

Composite all-fiber laser system
Technical Field
The invention relates to the technical field of fiber lasers, in particular to a composite all-fiber laser system.
Background
The application of fiber laser to material processing is quite common, but when the fiber laser heats a material, the temperature difference between a processing point and a surrounding non-processing area is huge due to the characteristic of a small hot area of the fiber laser, so that the resonance between the laser frequency and the material is generated, the phenomenon of material splashing is caused, and the processing effect is seriously influenced. In order to solve the problem, a composite laser processing technology is provided, namely, during high-energy density laser processing, the temperature of the material around a processing point is changed by uniform laser energy, so that the material avoids a resonance point with the laser frequency.
In the existing composite laser processing mode, a fiber laser and a semiconductor laser are used to focus light beams output by the two lasers on the surface of a processing material through external optical paths such as a focusing lens, so as to realize composite laser processing of the processing material. This type of processing has the following disadvantages:
1. two different independent lasers are needed, unified control software is not available, the two independent lasers need to be controlled independently, and high consistency cannot be achieved in precise process debugging;
2. the coupling mode of the external light path determines that the two light beams come from different incident angles, so that the non-focus laser can form irregular elliptical light spots on the surface of a workpiece, and the phenomenon of uneven energy distribution is caused;
3. the double-machine linkage mode needs two groups of optical focusing lenses, and the use and maintenance cost is high.
To this end, the applicant has sought, through useful research and research, a solution to the above-mentioned problems, in the context of which the technical solutions to be described below have been made.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects of the prior art, the composite all-fiber laser system has the advantages of high linkage response speed, good processing quality, guarantee of the thermal distribution consistency of workpieces, and reduction of use cost and maintenance cost.
The technical problem to be solved by the invention can be realized by adopting the following technical scheme:
a composite all-fiber laser system comprising:
the fiber laser module is provided with a main power laser beam output end and is used for generating a main power laser beam for providing main power laser energy for a workpiece to output and outputting the main power laser beam through the main power laser beam output end;
the semiconductor laser module is provided with a plurality of auxiliary power laser beam output ends and is used for generating a plurality of auxiliary power laser beams for providing auxiliary power laser output for a workpiece and outputting the auxiliary power laser beams through the corresponding auxiliary power laser beam output ends respectively;
the laser coupling module is provided with a main power laser beam input end, a plurality of auxiliary power laser beam input ends and a coupling laser beam output end, the main power laser beam input end of the laser coupling module is connected with the main power laser beam output end of the fiber laser module, and the plurality of auxiliary power laser beam output ends are respectively and correspondingly connected with the plurality of auxiliary power laser beam output ends of the semiconductor laser module and used for coupling and uniformly distributing the plurality of auxiliary power laser beams output by the semiconductor laser module around the main power laser beam output by the fiber laser module to form a coupling laser beam;
the input end of the composite laser output optical cable is connected with the coupled laser beam output end of the laser coupling module, and the output end of the composite laser output optical cable transmits the coupled laser beam to the surface of a workpiece; and
and the control module is respectively connected with the optical fiber laser module and the semiconductor laser module.
In a preferred embodiment of the present invention, the fiber laser module includes:
a plurality of first semiconductor lasers;
a plurality of beam input ends of the beam combiner are respectively connected with the laser beam output end of each first semiconductor laser;
the input end of the first grating unit is connected with the single-beam output end of the beam combiner;
the input end of the ytterbium-doped optical fiber is connected with the output end of the first grating unit; and
and the input end of the second grating unit is connected with the output end of the ytterbium-doped optical fiber, and the output end of the second grating unit is used as the main power laser beam output end of the optical fiber laser module.
In a preferred embodiment of the present invention, the semiconductor laser module is composed of a plurality of second semiconductor lasers, and the laser beam output end of each second semiconductor laser is used as an auxiliary power laser beam output end of the semiconductor laser module.
In a preferred embodiment of the present invention, the laser coupling module is an optical fiber combiner formed by coupling and drawing optical fibers, a plurality of input ends of the optical fiber combiner are formed by a plurality of input optical fibers, and a single output end of the optical fiber combiner is formed by an output optical fiber; among the input fibers of the multiple input ends, the input fiber positioned at the center is a single-mode field fiber, the fiber core of the single-mode field fiber is in butt joint with the fiber core of the composite laser output optical cable and is used for transmitting the main power laser beam output by the fiber laser module, and the rest input fibers are multi-mode field fibers and are coupled into the cladding of the composite laser output optical cable and are used for transmitting the auxiliary power laser beams output by the semiconductor laser module.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention can realize that two different output lasers have the fastest linkage response speed, thereby greatly increasing the processing quality of the initial point and the end point of the processing surface of the processing piece;
2. according to the invention, two laser beams are both output from one composite laser output optical cable, and when a workpiece is vertically processed, all light spots are uniform and round, so that auxiliary laser can more uniformly perform auxiliary heating on the surface of the workpiece, the consistency of heat distribution is ensured, and the resonance range can be effectively reduced;
3. the invention can realize that one laser outputs three different light beam forms, namely a high-energy-density small light spot, a large light spot with uniform energy and low density and a composite light spot, and can realize the functions of a fiber laser, a semiconductor laser and a composite laser system by utilizing a single laser.
4. The invention only needs one group of optical focusing lens to be matched for use, thereby greatly reducing the use cost and the maintenance cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of a laser coupling module according to the present invention.
FIG. 3 is a graph of the energy distribution of the invention outputting three different forms of light spots.
Fig. 4 is a schematic view of the composite processing state of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Referring to fig. 1, a composite all-fiber laser system is shown comprising a fiber laser module 100, a semiconductor laser module 200, a laser coupling module 300, a composite laser output cable 400, and a control module (not shown).
The fiber laser module 100 has a main power laser beam output end, and the fiber laser module 100 generates a main power laser beam for providing main power laser energy output to the workpiece and outputs the main power laser beam through the main power laser beam output end. The fiber laser module 100 can provide 1070nm output laser since the active fiber employed in the fiber laser module 100 is Yb, but any kind of wavelength is contemplated, so Er, Th, Ho, doped fiber, or some other combination may be used, even fiber lasers shifted in output by nonlinear optical crystals, raman fiber, etc.
Specifically, the fiber laser module 100 includes six first semiconductor lasers 110, a beam combiner 120, a first grating unit 130, an ytterbium-doped fiber 140, and a second grating unit 150. Of course, the first semiconductor lasers 110 are not limited to the number in the present embodiment, and should be arranged according to the requirements of the main power laser beam. Multiple beam input ends of the beam combiner 120 are respectively connected to the laser beam output end of each first semiconductor laser 110. The input end of the first grating unit 130 is connected to the single-beam output end of the beam combiner 120. The input end of the ytterbium-doped fiber 140 is connected to the output end of the first grating unit 130. The input end of the second grating unit 150 is connected to the output end of the ytterbium-doped fiber 140, and the output end thereof is used as the main power laser beam output end of the fiber laser module 100.
The semiconductor laser module 200 has six auxiliary power laser beam output ends, and the semiconductor laser module 200 generates a plurality of auxiliary power laser beams for providing auxiliary power laser output to the workpiece, and outputs the auxiliary power laser beams through the corresponding auxiliary power laser beam output ends respectively. Specifically, the semiconductor laser module 200 is constituted by six second semiconductor lasers 210, and the laser beam output end of each second semiconductor laser 210 serves as an auxiliary power laser beam output end of the semiconductor laser module 200. Of course, the number of the second semiconductor lasers 210 is not limited to the number of the present embodiment, and they should be set according to actual design requirements. The second semiconductor laser 210 is 976nm output laser, and if special application requirements are met, different numbers of semiconductor lasers with different wavelength bands can be adopted for multi-wavelength composite output; if necessary, a plurality of fiber lasers may be connected.
The laser coupling module 300 has a main power laser beam input end, six auxiliary power laser beam input ends and a coupling laser beam output end, the main power laser beam input end of the laser coupling module 300 is connected with the main power laser beam output end of the fiber laser module 100, and the six auxiliary power laser beam output ends are respectively and correspondingly connected with the six auxiliary power laser beam output ends of the semiconductor laser module 200, so that the six auxiliary power laser beams output by the semiconductor laser module 200 are uniformly coupled around the main power laser beam output by the fiber laser module 100 to form a coupling laser beam. Specifically, referring to fig. 2, the laser coupling module 300 is an optical fiber combiner 310 formed by fiber coupling and drawing, a plurality of input ends 311 of the optical fiber combiner 310 are formed by seven input fibers 311a, and a single output end 312 thereof is formed by one output fiber 312 a; among the seven input fibers 311a at the multiple input ends, the input fiber 311a located at the center is a single mode field fiber, the fiber core of which is butted with the fiber core of the composite laser output optical cable 400 and is used for transmitting the main power laser beam output by the fiber laser module 100, and the remaining input fibers 311a are all multi-mode field fibers and are coupled to the cladding of the composite laser output optical cable 400 and are used for transmitting six auxiliary power laser beams output by the semiconductor laser module 200.
The input end of the composite laser output optical cable 400 is connected to the coupled laser beam output end of the laser coupling module 300, and the coupled laser beam is transmitted to the surface of the workpiece by the output end.
The control module is connected to the fiber laser module 100 and the semiconductor laser module 200, respectively. Specifically, the control module is connected to each first semiconductor laser 110 in the fiber laser module 100 and each second semiconductor laser 210 in the semiconductor laser module 200, and is configured to independently control each first semiconductor laser 110 and each second semiconductor laser 210, and to realize arbitrary matching of output modes such as energy intensity, working time, pulse frequency, and the like of two lasers in a correlated manner.
The working mode of the composite all-fiber laser system of the invention is that two kinds of laser are output to the surface of the workpiece 10 by the composite laser output optical cable 400, wherein the main power laser beam 101 output by the fiber laser module 100 can process the processing area 11 of the workpiece 10, and the auxiliary power laser beam 201 output by the semiconductor laser module 200 can assist and heat the vicinity 12 of the processing area of the workpiece 10, as shown in fig. 4, the frequency of the non-processing area is changed, and the resonance phenomenon generated by the frequency close to the main power laser frequency is avoided, and the operator can send different output mode instructions to the fiber laser module 100 and the semiconductor laser module 200 by the control module, so that the laser system can generate any mode of matching and outputting the two kinds of laser, and can adapt to different material characteristics and processing requirements.
The invention can realize that one laser outputs three different light beam forms, namely a, a small light spot with high energy density, b, a large light spot with uniform energy and low density and c, a composite light spot, as shown in figure 3.
Referring to fig. 4, the present invention only needs one set of optical focusing lens 20 for use, which greatly reduces the use cost and maintenance cost.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. A composite all-fiber laser system, comprising:
the fiber laser module is provided with a main power laser beam output end and is used for generating a main power laser beam for providing main power laser energy for a workpiece to output and outputting the main power laser beam through the main power laser beam output end;
the semiconductor laser module is provided with a plurality of auxiliary power laser beam output ends and is used for generating a plurality of auxiliary power laser beams for providing auxiliary power laser output for a workpiece and outputting the auxiliary power laser beams through the corresponding auxiliary power laser beam output ends respectively;
the laser coupling module is provided with a main power laser beam input end, a plurality of auxiliary power laser beam input ends and a coupling laser beam output end, the main power laser beam input end of the laser coupling module is connected with the main power laser beam output end of the fiber laser module, and the plurality of auxiliary power laser beam output ends are respectively and correspondingly connected with the plurality of auxiliary power laser beam output ends of the semiconductor laser module and used for coupling and uniformly distributing the plurality of auxiliary power laser beams output by the semiconductor laser module around the main power laser beam output by the fiber laser module to form a coupling laser beam;
the input end of the composite laser output optical cable is connected with the coupled laser beam output end of the laser coupling module, and the output end of the composite laser output optical cable transmits the coupled laser beam to the surface of a workpiece; and
and the control module is respectively connected with the optical fiber laser module and the semiconductor laser module.
2. The composite all-fiber laser system of claim 1, wherein the fiber laser module comprises:
a plurality of first semiconductor lasers;
a plurality of beam input ends of the beam combiner are respectively connected with the laser beam output end of each first semiconductor laser;
the input end of the first grating unit is connected with the single-beam output end of the beam combiner;
the input end of the ytterbium-doped optical fiber is connected with the output end of the first grating unit; and
and the input end of the second grating unit is connected with the output end of the ytterbium-doped optical fiber, and the output end of the second grating unit is used as the main power laser beam output end of the optical fiber laser module.
3. A composite all-fiber laser system as claimed in claim 1 wherein said semiconductor laser module is comprised of a plurality of second semiconductor lasers, the laser beam output of each second semiconductor laser serving as an auxiliary power laser beam output of said semiconductor laser module.
4. The composite all-fiber laser system according to claim 1, wherein the laser coupling module is a fiber combiner formed by fiber coupling and drawing, a plurality of input ends of the fiber combiner are formed by a plurality of input fibers, and a single output end of the fiber combiner is formed by an output fiber; among the input fibers of the multiple input ends, the input fiber positioned at the center is a single-mode field fiber, the fiber core of the single-mode field fiber is in butt joint with the fiber core of the composite laser output optical cable and is used for transmitting the main power laser beam output by the fiber laser module, and the rest input fibers are multi-mode field fibers and are coupled into the cladding of the composite laser output optical cable and are used for transmitting the auxiliary power laser beams output by the semiconductor laser module.
CN202011432167.7A 2020-12-09 2020-12-09 Composite all-fiber laser system Pending CN112563869A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113572006A (en) * 2021-07-27 2021-10-29 光惠（上海）激光科技有限公司 Dual-wavelength composite optical fiber laser and laser control method
CN113594843A (en) * 2021-07-27 2021-11-02 光惠（上海）激光科技有限公司 Fiber laser and laser control method
CN113634879A (en) * 2021-07-28 2021-11-12 中国科学院宁波材料技术与工程研究所 Multi-beam jet coupling water-guide laser processing device and system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2748933Y (en) * 2004-10-15 2005-12-28 河南大学 N*1 optical fiber beam combiner
JP2008070753A (en) * 2006-09-15 2008-03-27 Fujifilm Corp Fiber type coupler, photodetector, laser module, and aligning method
CN103560382A (en) * 2013-10-11 2014-02-05 山东海富光子科技股份有限公司 Single fiber myriawatt-level all-optical-fiber laser system based on same band pumping technology
CN204790085U (en) * 2015-04-15 2015-11-18 西安中科汇纤光电科技有限公司 Fiber combiner
CN109239847A (en) * 2018-09-29 2019-01-18 武汉锐科光纤激光技术股份有限公司 Optical-fiber bundling device and preparation method thereof
CN211404995U (en) * 2020-06-19 2020-09-01 深圳市创鑫激光股份有限公司 Multi-wavelength all-fiber laser and processing equipment thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2748933Y (en) * 2004-10-15 2005-12-28 河南大学 N*1 optical fiber beam combiner
JP2008070753A (en) * 2006-09-15 2008-03-27 Fujifilm Corp Fiber type coupler, photodetector, laser module, and aligning method
CN103560382A (en) * 2013-10-11 2014-02-05 山东海富光子科技股份有限公司 Single fiber myriawatt-level all-optical-fiber laser system based on same band pumping technology
CN204790085U (en) * 2015-04-15 2015-11-18 西安中科汇纤光电科技有限公司 Fiber combiner
CN109239847A (en) * 2018-09-29 2019-01-18 武汉锐科光纤激光技术股份有限公司 Optical-fiber bundling device and preparation method thereof
CN211404995U (en) * 2020-06-19 2020-09-01 深圳市创鑫激光股份有限公司 Multi-wavelength all-fiber laser and processing equipment thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113572006A (en) * 2021-07-27 2021-10-29 光惠（上海）激光科技有限公司 Dual-wavelength composite optical fiber laser and laser control method
CN113594843A (en) * 2021-07-27 2021-11-02 光惠（上海）激光科技有限公司 Fiber laser and laser control method
CN113572006B (en) * 2021-07-27 2023-11-21 光惠（上海）激光科技有限公司 Dual-wavelength composite fiber laser and laser control method
CN113594843B (en) * 2021-07-27 2024-01-05 光惠（上海）激光科技有限公司 Fiber laser and laser control method
CN113634879A (en) * 2021-07-28 2021-11-12 中国科学院宁波材料技术与工程研究所 Multi-beam jet coupling water-guide laser processing device and system
CN113634879B (en) * 2021-07-28 2024-02-23 中国科学院宁波材料技术与工程研究所 Multi-beam jet coupling water guide laser processing device and processing system

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Application publication date: 20210326