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GB1553582A - Laser beam splitting apparatus - Google Patents

Laser beam splitting apparatus

Info

Publication number
GB1553582A
GB1553582A GB4659/76A GB465976A GB1553582A GB 1553582 A GB1553582 A GB 1553582A GB 4659/76 A GB4659/76 A GB 4659/76A GB 465976 A GB465976 A GB 465976A GB 1553582 A GB1553582 A GB 1553582A
Authority
GB
United Kingdom
Prior art keywords
laser beam
beam splitting
splitting apparatus
laser
splitting
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.)
Expired
Application number
GB4659/76A
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.)
BOC Ltd Australia
Saipem SpA
Original Assignee
BOC Ltd Australia
Saipem SpA
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 BOC Ltd Australia, Saipem SpA filed Critical BOC Ltd Australia
Priority to GB4659/76A priority Critical patent/GB1553582A/en
Publication of GB1553582A publication Critical patent/GB1553582A/en
Expired legal-status Critical Current

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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/143—Beam splitting or combining systems operating by reflection only using macroscopically faceted or segmented reflective surfaces
    • 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
    • B23K26/0619—Shaping the laser beam, e.g. by masks or multi-focusing by a combination of beams with spots located on opposed surfaces of the workpiece
    • 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
    • B23K26/067—Dividing the beam into multiple beams, e.g. multifocusing
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1073—Beam splitting or combining systems characterized by manufacturing or alignment methods

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
GB4659/76A 1977-04-14 1977-04-14 Laser beam splitting apparatus Expired GB1553582A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4659/76A GB1553582A (en) 1977-04-14 1977-04-14 Laser beam splitting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4659/76A GB1553582A (en) 1977-04-14 1977-04-14 Laser beam splitting apparatus

Publications (1)

Publication Number Publication Date
GB1553582A true GB1553582A (en) 1979-09-26

Family

ID=9781369

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4659/76A Expired GB1553582A (en) 1977-04-14 1977-04-14 Laser beam splitting apparatus

Country Status (1)

Country Link
GB (1) GB1553582A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129159A (en) * 1982-10-05 1984-05-10 Zoran Perisic Composite imaging apparatus
DE3432655A1 (en) * 1983-12-20 1985-07-04 Alfa Romeo Spa ARRANGEMENT FOR FLEXIBLE COMPOSITION OF LASER BEAM BUNDLES
EP0106336A3 (en) * 1982-10-15 1986-03-26 Hitachi, Ltd. Laser source apparatus
US4609253A (en) * 1982-10-05 1986-09-02 Zoran Perisic Dual screen system
GB2212430A (en) * 1987-12-24 1989-07-26 United Technologies Corp Method of and arrangement for laser welding.
GB2300001A (en) * 1992-11-30 1996-10-23 Mitsubishi Electric Corp Thin film forming apparatus using plurality of lasers
US5593605A (en) * 1994-10-11 1997-01-14 Crc-Evans Pipeline International, Inc. Internal laser welder for pipeline
US5622567A (en) * 1992-11-30 1997-04-22 Mitsubishi Denki Kabushiki Kaisha Thin film forming apparatus using laser
US5796069A (en) * 1997-01-10 1998-08-18 Crc-Evans Pipeline International, Inc. Arc and laser welding process for pipeline
GB2402230A (en) * 2003-05-30 2004-12-01 Xsil Technology Ltd Focusing laser beams to different points

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129159A (en) * 1982-10-05 1984-05-10 Zoran Perisic Composite imaging apparatus
US4609253A (en) * 1982-10-05 1986-09-02 Zoran Perisic Dual screen system
EP0106336A3 (en) * 1982-10-15 1986-03-26 Hitachi, Ltd. Laser source apparatus
DE3432655A1 (en) * 1983-12-20 1985-07-04 Alfa Romeo Spa ARRANGEMENT FOR FLEXIBLE COMPOSITION OF LASER BEAM BUNDLES
GB2151808A (en) * 1983-12-20 1985-07-24 Alfa Romeo Auto Spa Holed mirror system for the flexible composition of laser beams
US4613206A (en) * 1983-12-20 1986-09-23 Alfa Romeo Auto S.P.A System for the flexible composition of laser beams
GB2212430A (en) * 1987-12-24 1989-07-26 United Technologies Corp Method of and arrangement for laser welding.
GB2212430B (en) * 1987-12-24 1992-03-18 United Technologies Corp Method and arrangement for laser welding
US5622567A (en) * 1992-11-30 1997-04-22 Mitsubishi Denki Kabushiki Kaisha Thin film forming apparatus using laser
GB2300001A (en) * 1992-11-30 1996-10-23 Mitsubishi Electric Corp Thin film forming apparatus using plurality of lasers
GB2300001B (en) * 1992-11-30 1997-05-28 Mitsubishi Electric Corp Thin film forming apparatus using laser
GB2272912B (en) * 1992-11-30 1997-05-28 Mitsubishi Electric Corp Thin Film forming apparatus using laser
US5760366A (en) * 1992-11-30 1998-06-02 Mitsubishi Denki Kabushiki Kaisha Thin film forming apparatus using laser and magnetic field
US6033741A (en) * 1992-11-30 2000-03-07 Mitsubishi Denki Kabushiki Kaisha Thin film forming apparatus using laser
US6110291A (en) * 1992-11-30 2000-08-29 Mitsubishi Denki Kabushiki Kaisha Thin film forming apparatus using laser
US5593605A (en) * 1994-10-11 1997-01-14 Crc-Evans Pipeline International, Inc. Internal laser welder for pipeline
US5796068A (en) * 1994-10-11 1998-08-18 Crc-Evans Pipeline International, Inc. External laser welder for pipeline
US5796069A (en) * 1997-01-10 1998-08-18 Crc-Evans Pipeline International, Inc. Arc and laser welding process for pipeline
GB2402230A (en) * 2003-05-30 2004-12-01 Xsil Technology Ltd Focusing laser beams to different points
GB2402230B (en) * 2003-05-30 2006-05-03 Xsil Technology Ltd Focusing an optical beam to two foci
US7858901B2 (en) 2003-05-30 2010-12-28 Electro Scientific Industries, Inc. Focusing an optical beam to two foci

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee