DE102019127968B4 - Lasersystem - Google Patents

Lasersystem Download PDF

Info

Publication number
DE102019127968B4
DE102019127968B4 DE102019127968.2A DE102019127968A DE102019127968B4 DE 102019127968 B4 DE102019127968 B4 DE 102019127968B4 DE 102019127968 A DE102019127968 A DE 102019127968A DE 102019127968 B4 DE102019127968 B4 DE 102019127968B4
Authority
DE
Germany
Prior art keywords
optical fiber
spatial filter
laser
laser radiation
aperture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE102019127968.2A
Other languages
German (de)
English (en)
Other versions
DE102019127968A1 (de
Inventor
Malte Kumkar
Dirk Sutter
Daniel Flamm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trumpf Laser Se De
Original Assignee
Trumpf Laser GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Trumpf Laser GmbH filed Critical Trumpf Laser GmbH
Priority to DE102019127968.2A priority Critical patent/DE102019127968B4/de
Priority to PCT/EP2020/079216 priority patent/WO2021074380A1/fr
Publication of DE102019127968A1 publication Critical patent/DE102019127968A1/de
Application granted granted Critical
Publication of DE102019127968B4 publication Critical patent/DE102019127968B4/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02319—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by core or core-cladding interface features
    • G02B6/02323—Core having lower refractive index than cladding, e.g. photonic band gap guiding
    • G02B6/02328—Hollow or gas filled core
    • 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
    • B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B23K26/066—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms by using masks
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0988—Diaphragms, spatial filters, masks for removing or filtering a part of the beam
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02361—Longitudinal structures forming multiple layers around the core, e.g. arranged in multiple rings with each ring having longitudinal elements at substantially the same radial distance from the core, having rotational symmetry about the fibre axis
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02366—Single ring of structures, e.g. "air clad"
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02371—Cross section of longitudinal structures is non-circular
    • 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
    • G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/005—Diaphragms
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Lasers (AREA)
DE102019127968.2A 2019-10-16 2019-10-16 Lasersystem Active DE102019127968B4 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE102019127968.2A DE102019127968B4 (de) 2019-10-16 2019-10-16 Lasersystem
PCT/EP2020/079216 WO2021074380A1 (fr) 2019-10-16 2020-10-16 Système de filtre optique et système laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019127968.2A DE102019127968B4 (de) 2019-10-16 2019-10-16 Lasersystem

Publications (2)

Publication Number Publication Date
DE102019127968A1 DE102019127968A1 (de) 2021-04-22
DE102019127968B4 true DE102019127968B4 (de) 2023-11-09

Family

ID=73198259

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102019127968.2A Active DE102019127968B4 (de) 2019-10-16 2019-10-16 Lasersystem

Country Status (2)

Country Link
DE (1) DE102019127968B4 (fr)
WO (1) WO2021074380A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080219620A1 (en) 2007-03-07 2008-09-11 Furukawa Electric North America, Inc. Achieving Gaussian Outputs from Large-Mode-Area-Higher-Order Mode Fibers
US8009948B2 (en) 2006-07-25 2011-08-30 The Board Of Trustees Of The Leland Stanford Junior University Apparatus and methods using hollow-core fiber tapers
DE102014116957A1 (de) 2014-11-19 2016-05-19 Trumpf Laser- Und Systemtechnik Gmbh Optisches System zur Strahlformung
DE102015005257A1 (de) 2015-04-26 2016-10-27 Keming Du Optische Anordnung zur Erhöhung der Strahlqualität und zur Verbesserung des lntensitätsprofils
US9645309B2 (en) 2004-01-16 2017-05-09 Imra America, Inc. Large core holey fibers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2974638B1 (fr) * 2011-04-26 2013-11-29 Meggitt France Dispositif de transmission d'energie lumineuse et procede de transmission associe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9645309B2 (en) 2004-01-16 2017-05-09 Imra America, Inc. Large core holey fibers
US8009948B2 (en) 2006-07-25 2011-08-30 The Board Of Trustees Of The Leland Stanford Junior University Apparatus and methods using hollow-core fiber tapers
US20080219620A1 (en) 2007-03-07 2008-09-11 Furukawa Electric North America, Inc. Achieving Gaussian Outputs from Large-Mode-Area-Higher-Order Mode Fibers
DE102014116957A1 (de) 2014-11-19 2016-05-19 Trumpf Laser- Und Systemtechnik Gmbh Optisches System zur Strahlformung
DE102015005257A1 (de) 2015-04-26 2016-10-27 Keming Du Optische Anordnung zur Erhöhung der Strahlqualität und zur Verbesserung des lntensitätsprofils

Also Published As

Publication number Publication date
DE102019127968A1 (de) 2021-04-22
WO2021074380A1 (fr) 2021-04-22

Similar Documents

Publication Publication Date Title
EP3221740B1 (fr) Système optique de mise en forme d'un faisceau
DE4328894C2 (de) Laserbearbeitungsvorrichtung und zugehöriges Verfahren
DE102016107595B4 (de) Strahlformungsoptik für Materialbearbeitung mittels eines Laserstrahls sowie Vorrichtung mit derselben
DE102015201639B4 (de) Strahlfokussierer und Verwendungen
EP3854513A1 (fr) Système de formation d'un faisceau optique asymétrique
EP2288955A1 (fr) Dispositif et procédé de mise en forme de faisceau
DE112007001944B4 (de) Verfahren und Vorrichtung zur Lasermaterialbearbeitung
EP2663892A2 (fr) Dispositif de conversion du profil d'un faisceau laser en un faisceau laser à répartition d'intensité symétrique en rotation
DE102017217145A1 (de) Lasersystem und Verfahren zur Erzeugung eines Top-Hat- angenäherten Strahlprofils
DE102017001658A1 (de) Vorrichtung zur materialbearbeitung mit einem laserstrahl entlang einer bearbeitungsrichtung und verfahren zur materialbearbeitung mit einem laserstrahl
EP3051325B1 (fr) Élement optique destine a la mise au moins de rayonnements approximativement collimates
AT504335B1 (de) Laserzündvorrichtung
DE19825092C2 (de) Lasersystem zur Erzeugung eines fokussierten Laserstrahls mit variablem Fokusdurchmesser
DE102019127968B4 (de) Lasersystem
EP2056144B1 (fr) Elément d'extrémité pour fibres optiques
EP1906220A2 (fr) Procédé de structuration de fibres conductrices de lumière le long de leur axe longitudinal (structuration longitudinale) basé sur l'absorption non linéaire de rayons laser
EP3577514B1 (fr) Procédé pour la collimation d'un rayonnement lumineux, laser haute puissance et optique de focalisation et procédé de collimation d'un rayonnement lumineux
DE102022110078A1 (de) Vorrichtung und Verfahren zur Modifikation des Strahlprofils eines Laserstrahls
EP0497260B2 (fr) Dispositif laser
EP3421170B1 (fr) Dispositif de perçage et/ou d'enlèvement de matière e au moyen du rayon laser ; utilisation d'un tel dispositif pour le perçage et/ou l'enlèvement de matière e au moyen du rayon laser ; procédé de montage d'un prisme de porro dans une unité de rotation
WO2023117892A1 (fr) Système laser permettant de produire une ligne laser
DE102022115711A1 (de) Verfahren und Vorrichtung zum Bearbeiten von Werkstücken
DE102020132688A1 (de) System zum Bearbeiten eines Materials mittels ultrakurzer Laserpulse
DE202024100665U1 (de) Optische Vorrichtung und optisches System zur Bearbeitung einer Probe mittels interferierender Laserstrahlen
EP3839429A1 (fr) Procédé de détermination d'une distance entre un système laser et une surface de projection

Legal Events

Date Code Title Description
R163 Identified publications notified
R012 Request for examination validly filed
R082 Change of representative

Representative=s name: KUEMMEL, FELIX, DIPL.-PHYS. DR. RER. NAT., DE

Representative=s name: PROBST, MATTHIAS, DE

R082 Change of representative

Representative=s name: KUEMMEL, FELIX, DIPL.-PHYS. DR. RER. NAT., DE

Representative=s name: PROBST, MATTHIAS, DE

R016 Response to examination communication
R018 Grant decision by examination section/examining division
R081 Change of applicant/patentee

Owner name: TRUMPF LASER SE, DE

Free format text: FORMER OWNER: TRUMPF LASER GMBH, 78713 SCHRAMBERG, DE

R082 Change of representative

Representative=s name: PROBST, MATTHIAS, DE

R020 Patent grant now final