JP2019098382A - レーザ加工装置 - Google Patents
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- JP2019098382A JP2019098382A JP2017233784A JP2017233784A JP2019098382A JP 2019098382 A JP2019098382 A JP 2019098382A JP 2017233784 A JP2017233784 A JP 2017233784A JP 2017233784 A JP2017233784 A JP 2017233784A JP 2019098382 A JP2019098382 A JP 2019098382A
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- 230000005856 abnormality Effects 0.000 abstract description 8
- 238000012544 monitoring process Methods 0.000 description 23
- 230000002159 abnormal effect Effects 0.000 description 11
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- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4257—Photometry, e.g. photographic exposure meter using electric radiation detectors applied to monitoring the characteristics of a beam, e.g. laser beam, headlamp beam
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4286—Optical modules with optical power monitoring
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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
- H01S3/0014—Monitoring arrangements not otherwise provided for
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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
- H01S3/05—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
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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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
-
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- H01S3/1312—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping
-
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/136—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling devices placed within the cavity
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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
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation
-
- 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
-
- 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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
-
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/1305—Feedback control systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/06808—Stabilisation of laser output parameters by monitoring the electrical laser parameters, e.g. voltage or current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mechanical Engineering (AREA)
- Lasers (AREA)
- Laser Beam Processing (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
2 制御部
3 電源
4 レーザ発振器
5 加工ヘッド
6 スイッチ
7 電流制御部
8 レーザダイオードモジュール
9 レーザキャビティ
10 ビームコンバイナ
11 電流モニタ部
12 パワーモニタ部
13 判定部
Claims (5)
- 電源に対して互いに並列に接続され、前記電源から出力される電流を制御する複数の電流制御部と、
前記複数の電流制御部に対して一対一で接続され、前記電流制御部が制御する電流が流れることで光を出力する複数のレーザダイオードモジュールと、
前記複数のレーザダイオードモジュールに対して複数対一で接続され、前記レーザダイオードモジュールが出力する光を増幅してから出力する複数のレーザキャビティと、
前記複数のレーザキャビティに対して複数対一で接続され、前記複数のレーザキャビティが出力する光を束ねるビームコンバイナと、を有するレーザ発振器に加工ヘッドが接続されて、制御部の制御下で前記ビームコンバイナが束ねた光を前記加工ヘッドから出力して加工を行うレーザ加工装置であって、
前記複数の電流制御部が制御する電流の値の各々をモニタする電流モニタ部と、
前記複数のレーザダイオードモジュールが出力する光の強さの値の各々、前記複数のレーザキャビティが出力する光の強さの値の各々、及び前記ビームコンバイナが出力する光の強さの値をモニタするパワーモニタ部と、
前記電流モニタ部がモニタする電流の値、及び前記パワーモニタ部がモニタする光の強さの値に基づいて、破損個所を判定する判定部と、を備えるレーザ加工装置。 - 前記制御部は、前記判定部が、前記複数の電流制御部及び前記複数のレーザダイオードモジュールのうちのいずれかが破損個所であると判定した場合に、経路上に破損個所を含まない前記電流制御部に出力される電流を増加させて、前記加工ヘッドが出力する光の強さを破損前と同じにする請求項1に記載のレーザ加工装置。
- 前記制御部は、前記判定部が、前記複数のレーザキャビティのうちのいずれかが破損個所であると判定した場合に、経路上に破損個所を含む前記電流制御部に出力される電流を停止させると共に、経路上に破損個所を含まない前記電流制御部に出力される電流を増加させて、前記加工ヘッドが出力する光の強さを破損前と同じにし、又は同じにできないときは近付ける請求項1又は2に記載のレーザ加工装置。
- 前記制御部は、前記加工ヘッドが出力する光の強さを破損前と同じにできないときに、加工速度を落としてバックアップ運転を行う請求項3に記載のレーザ加工装置。
- 前記レーザ発振器を複数備え、
前記加工ヘッドが接続される前記レーザ発振器を切り替えるスイッチを備え、
前記制御部は、前記判定部が、前記ビームコンバイナが破損個所であると判定した場合に、前記スイッチを制御して、前記加工ヘッドが接続される前記レーザ発振器を切り替えてバックアップ運転を行う請求項1〜4のいずれかに記載のレーザ加工装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017233784A JP6619410B2 (ja) | 2017-12-05 | 2017-12-05 | レーザ加工装置 |
DE102018219770.9A DE102018219770A1 (de) | 2017-12-05 | 2018-11-19 | Laserbearbeitungseinrichtung |
US16/199,975 US10840665B2 (en) | 2017-12-05 | 2018-11-26 | Laser machining apparatus |
CN201811452592.5A CN109877444B (zh) | 2017-12-05 | 2018-11-30 | 激光加工装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2017233784A JP6619410B2 (ja) | 2017-12-05 | 2017-12-05 | レーザ加工装置 |
Publications (2)
Publication Number | Publication Date |
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JP2019098382A true JP2019098382A (ja) | 2019-06-24 |
JP6619410B2 JP6619410B2 (ja) | 2019-12-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2017233784A Expired - Fee Related JP6619410B2 (ja) | 2017-12-05 | 2017-12-05 | レーザ加工装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10840665B2 (ja) |
JP (1) | JP6619410B2 (ja) |
CN (1) | CN109877444B (ja) |
DE (1) | DE102018219770A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6970036B2 (ja) * | 2018-02-20 | 2021-11-24 | ファナック株式会社 | ファイバレーザ発振器用の電源回路 |
US10608397B2 (en) * | 2018-03-06 | 2020-03-31 | Nlight, Inc. | Laser burst logging systems and methods |
JP6640920B2 (ja) * | 2018-06-12 | 2020-02-05 | 株式会社フジクラ | ファイバレーザシステム、及び、その制御方法 |
US12021346B2 (en) * | 2019-10-15 | 2024-06-25 | Wuhan Raycus Fiber Laser Technologies Co., Ltd. | Multi-module fiber laser capable of monitoring abnormalities of optical modules in real time |
CN115548858A (zh) * | 2022-11-24 | 2022-12-30 | 南京伟思医疗科技股份有限公司 | 具有多级能量监控和能量校正功能的激光器控制方法 |
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2017
- 2017-12-05 JP JP2017233784A patent/JP6619410B2/ja not_active Expired - Fee Related
-
2018
- 2018-11-19 DE DE102018219770.9A patent/DE102018219770A1/de not_active Ceased
- 2018-11-26 US US16/199,975 patent/US10840665B2/en active Active
- 2018-11-30 CN CN201811452592.5A patent/CN109877444B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11254160A (ja) * | 1998-03-10 | 1999-09-21 | Matsushita Electric Ind Co Ltd | レーザ装置 |
JP2009239032A (ja) * | 2008-03-27 | 2009-10-15 | Nippon Avionics Co Ltd | レーザダイオード駆動回路およびレーザ溶着電源 |
JP2016078050A (ja) * | 2014-10-14 | 2016-05-16 | 株式会社アマダホールディングス | ダイレクトダイオードレーザ加工装置及びその出力監視方法 |
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WO2017109928A1 (ja) * | 2015-12-25 | 2017-06-29 | ギガフォトン株式会社 | レーザ照射装置 |
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Publication number | Publication date |
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CN109877444A (zh) | 2019-06-14 |
US20190173253A1 (en) | 2019-06-06 |
US10840665B2 (en) | 2020-11-17 |
JP6619410B2 (ja) | 2019-12-11 |
DE102018219770A1 (de) | 2019-06-06 |
CN109877444B (zh) | 2020-07-24 |
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