IT1144346B - Dispositivo per modificare e uniformare la distribuzione d intensita di un fascio laser di potenza - Google Patents

Dispositivo per modificare e uniformare la distribuzione d intensita di un fascio laser di potenza

Info

Publication number
IT1144346B
IT1144346B IT67623/81A IT6762381A IT1144346B IT 1144346 B IT1144346 B IT 1144346B IT 67623/81 A IT67623/81 A IT 67623/81A IT 6762381 A IT6762381 A IT 6762381A IT 1144346 B IT1144346 B IT 1144346B
Authority
IT
Italy
Prior art keywords
modify
uniform
laser beam
intensity distribution
power laser
Prior art date
Application number
IT67623/81A
Other languages
English (en)
Other versions
IT8167623A0 (it
Inventor
Luciano Pera
Armando Boggero
Giorgio Manassero
Paolo Gay
Original Assignee
Fiat Ricerche
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 Fiat Ricerche filed Critical Fiat Ricerche
Priority to IT67623/81A priority Critical patent/IT1144346B/it
Publication of IT8167623A0 publication Critical patent/IT8167623A0/it
Priority to DE19823217226 priority patent/DE3217226A1/de
Priority to FR8208046A priority patent/FR2505564B1/fr
Application granted granted Critical
Publication of IT1144346B publication Critical patent/IT1144346B/it

Links

Classifications

    • 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
    • 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
    • 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
    • B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Lasers (AREA)
IT67623/81A 1981-05-08 1981-05-08 Dispositivo per modificare e uniformare la distribuzione d intensita di un fascio laser di potenza IT1144346B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT67623/81A IT1144346B (it) 1981-05-08 1981-05-08 Dispositivo per modificare e uniformare la distribuzione d intensita di un fascio laser di potenza
DE19823217226 DE3217226A1 (de) 1981-05-08 1982-05-07 Vorrichtung zur veraenderung und vergleichmaessigung der intensitaetsverteilung eines leistungslaserstrahlungsbuendels
FR8208046A FR2505564B1 (fr) 1981-05-08 1982-05-10 Dispositif de modification et d'uniformisation de l'intensite d'un faisceau laser de puissance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67623/81A IT1144346B (it) 1981-05-08 1981-05-08 Dispositivo per modificare e uniformare la distribuzione d intensita di un fascio laser di potenza

Publications (2)

Publication Number Publication Date
IT8167623A0 IT8167623A0 (it) 1981-05-08
IT1144346B true IT1144346B (it) 1986-10-29

Family

ID=11303969

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67623/81A IT1144346B (it) 1981-05-08 1981-05-08 Dispositivo per modificare e uniformare la distribuzione d intensita di un fascio laser di potenza

Country Status (3)

Country Link
DE (1) DE3217226A1 (it)
FR (1) FR2505564B1 (it)
IT (1) IT1144346B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1156026B (it) * 1982-05-27 1987-01-28 Fiat Ricerche Dispositivo di deflessione di un fascio laser per eseguire trattamenti termici superficiali di pezzi scanalati
US4662708A (en) * 1983-10-24 1987-05-05 Armco Inc. Optical scanning system for laser treatment of electrical steel and the like
DE3411126A1 (de) * 1984-03-26 1985-10-03 BIAS Forschungs- und Entwicklungs-Labor für angewandte Strahltechnik GmbH, 2820 Bremen Vorrichtung zur bearbeitung von werkstuecken durch einen energiestrahl hoher leistungsdichte, insbesondere einem laserstrahl eines co(pfeil abwaerts)2(pfeil abwaerts)-lasers
WO1987005843A1 (en) * 1986-03-26 1987-10-08 Nauchno-Issledovatelsky Tsentr Po Tekhnologicheski Installation for laser treatment of materials
US4840483A (en) * 1987-12-18 1989-06-20 Cincinnati Milacron Inc. Alignment tool for laser beam delivery systems and method of alignment
DE4004423C2 (de) * 1989-02-17 1998-05-14 Mezotraslevoj Nt Kompleks Mikr Vorrichtung zur chirurgischen Behandlung der Ametropie
FR2655837A1 (fr) * 1989-12-15 1991-06-21 Hanna Khalil Masque de traitement de surface et dispositif de chirurgie de l'óoeil ou de realisation de lentille optique par laser.
DE19745280A1 (de) 1997-10-15 1999-04-22 Daimler Chrysler Ag Verfahren zur Fein- und Mikrobearbeitung von Werkstücken mittels Laserstrahlen und Vorrichtung zur Durchführung des Verfahrens
DE10144521C1 (de) * 2001-09-10 2003-05-08 Lpkf Laser & Electronics Ag Verfahren und Vorrichtung zur Laserbearbeitung mittels eines Laserstrahles
DE102007051408A1 (de) 2007-10-25 2009-05-28 Prelatec Gmbh Verfahren zum Bohren von Löchern definierter Geometrien mittels Laserstrahlung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1465526A (en) * 1973-02-08 1977-02-23 Quantel Sa Process for filtering and amplifying laser beams
US4114018A (en) * 1976-09-30 1978-09-12 Lasag Ag Method for ablating metal workpieces with laser radiation
WO1980001419A1 (en) * 1979-01-04 1980-07-10 United Technologies Corp A reflective beam rotator
US4370540A (en) * 1979-01-04 1983-01-25 United Technologies Corporation Reflective beam rotator

Also Published As

Publication number Publication date
IT8167623A0 (it) 1981-05-08
FR2505564A1 (fr) 1982-11-12
DE3217226A1 (de) 1982-12-02
FR2505564B1 (fr) 1985-12-06

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