FR2325952B1 - - Google Patents

Info

Publication number
FR2325952B1
FR2325952B1 FR7629153A FR7629153A FR2325952B1 FR 2325952 B1 FR2325952 B1 FR 2325952B1 FR 7629153 A FR7629153 A FR 7629153A FR 7629153 A FR7629153 A FR 7629153A FR 2325952 B1 FR2325952 B1 FR 2325952B1
Authority
FR
France
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
FR7629153A
Other versions
FR2325952A1 (fr
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of FR2325952A1 publication Critical patent/FR2325952A1/fr
Application granted granted Critical
Publication of FR2325952B1 publication Critical patent/FR2325952B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
    • G01D15/14—Optical recording elements; Recording elements using X-or nuclear radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
    • G02B19/0014—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only at least one surface having optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0052—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode
    • 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
    • G02B27/095—Refractive optical elements
    • G02B27/0955—Lenses
    • G02B27/0966—Cylindrical lenses
    • 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
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4206—Optical features
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/032—Details of scanning heads ; Means for illuminating the original for picture information reproduction
    • H04N1/036—Details of scanning heads ; Means for illuminating the original for picture information reproduction for optical reproduction
FR7629153A 1975-09-29 1976-09-28 Systeme optique pour usinage de couches minces par un faisceau laser Granted FR2325952A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/617,531 US3974507A (en) 1975-09-29 1975-09-29 Conversion of stripe-geometry junction laser emission to a spherical wavefront

Publications (2)

Publication Number Publication Date
FR2325952A1 FR2325952A1 (fr) 1977-04-22
FR2325952B1 true FR2325952B1 (fr) 1979-01-12

Family

ID=24474012

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7629153A Granted FR2325952A1 (fr) 1975-09-29 1976-09-28 Systeme optique pour usinage de couches minces par un faisceau laser

Country Status (7)

Country Link
US (1) US3974507A (fr)
JP (1) JPS5242741A (fr)
CA (1) CA1067735A (fr)
DE (1) DE2643364A1 (fr)
FR (1) FR2325952A1 (fr)
GB (1) GB1554201A (fr)
NL (1) NL7610738A (fr)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318594A (en) * 1977-02-15 1982-03-09 Canon Kabushiki Kaisha Beam shaping optical system
JPS5443692A (en) * 1977-09-13 1979-04-06 Matsushita Electric Ind Co Ltd Semiconductor laser condensing optical device
US4235507A (en) * 1977-09-16 1980-11-25 Hitachi, Ltd. Optical system to condense light from a semiconductor laser into a circular spot
JPS54143659A (en) * 1978-04-28 1979-11-09 Canon Inc Image forming optical system for semiconductor laser
JPS54143661A (en) * 1978-04-28 1979-11-09 Canon Inc Recording optical system
US4257053A (en) * 1979-02-09 1981-03-17 Geosource, Inc. High-resolution laser plotter
JPS55130512A (en) * 1979-03-30 1980-10-09 Canon Inc Semiconductor laser optical system
US4333173A (en) * 1979-06-15 1982-06-01 Hitachi, Ltd. Optical information processor with prismatic correction of laser beam shape
JPS566038U (fr) * 1979-06-25 1981-01-20
NL8200557A (nl) * 1981-02-25 1982-09-16 Benson Inc Laseraftastinrichting.
CA1204199A (fr) * 1982-02-19 1986-05-06 Shigeo Kubota Appareil d'optique
US4588269A (en) * 1984-07-05 1986-05-13 Eastman Kodak Company Apparatus which shapes gaussian beams by spherical mirrors
JPS6063519A (ja) * 1984-08-13 1985-04-11 Hitachi Ltd 半導体レ−ザ装置
US4656641A (en) * 1985-02-04 1987-04-07 Xerox Corporation Laser cavity optical system for stabilizing the beam from a phase locked multi-emitter broad emitter laser
JPS61216144A (ja) * 1985-10-04 1986-09-25 Hitachi Ltd 光情報処理装置
US4728965A (en) * 1986-06-20 1988-03-01 Eastman Kodak Company Laser printer having means for correcting laser pointing errors
JPS6290990A (ja) * 1986-09-12 1987-04-25 Hitachi Ltd 半導体レ−ザ装置
US4942583A (en) * 1988-06-17 1990-07-17 Hewlett-Packard Company Misalignment-tolerant, grating-tuned external-cavity laser
US4956650A (en) * 1988-08-26 1990-09-11 Ateq Corporation Pattern generation system
GB8905289D0 (en) * 1989-03-08 1989-04-19 Crosfield Electronics Ltd Reducing aberrations in radiation beams
JP2980938B2 (ja) * 1990-04-12 1999-11-22 株式会社ニデック 半導体レーザー光を集光するためのレンズ系
JP2828221B2 (ja) * 1991-06-04 1998-11-25 インターナショナル・ビジネス・マシーンズ・コーポレイション レーザー光波長変換装置
US5177750A (en) * 1991-07-30 1993-01-05 Hewlett-Packard Company Misalignment-tolerant, grating-tuned external-cavity laser with enhanced longitudinal mode selectivity
US5438187A (en) * 1991-11-01 1995-08-01 Spectra-Physics Scanning Systems, Inc. Multiple focus optical system for data reading applications
US5504350A (en) * 1992-08-12 1996-04-02 Spectra-Physics Scanning Systems, Inc. Lens configuration
JPH05257080A (ja) * 1992-12-10 1993-10-08 Canon Inc 半導体レーザ光学装置
DE19623270C2 (de) * 1996-06-11 1998-05-20 Juergen Rebel Adaptives optisches Abbildungssystem zur Abbildung eines von einem Laser emittierten Strahlenbündels
US5900986A (en) * 1998-06-17 1999-05-04 The United States Of America As Represented By The Secretary Of The Air Force Columnar focal lens
US7961369B2 (en) * 2005-09-28 2011-06-14 Teledyne Licensing, Llc Large-angle agile laser beam steering apparatus and method
US9008474B2 (en) * 2009-11-11 2015-04-14 Sumitomo Electric Industries, Ltd. Optical module having focused optical coupling system for single fiber
US9135937B1 (en) * 2014-05-09 2015-09-15 Western Digital (Fremont), Llc Current modulation on laser diode for energy assisted magnetic recording transducer
US11435575B2 (en) * 2018-11-13 2022-09-06 Yonatan Gerlitz Optical configuration for a low level laser therapy device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1040792A (en) * 1964-02-24 1966-09-01 Nat Res Dev Optical systems for lasers
US3656175A (en) * 1969-06-16 1972-04-11 Ncr Co Semiconductor diode laser recorder
US3736046A (en) * 1971-04-15 1973-05-29 Honeywell Inc Optical spot size changer
JPS5011248A (fr) * 1973-05-31 1975-02-05
US3866238A (en) * 1973-06-01 1975-02-11 North Electric Co Laser diode for use with film memory system

Also Published As

Publication number Publication date
NL7610738A (nl) 1977-03-31
FR2325952A1 (fr) 1977-04-22
JPS5242741A (en) 1977-04-02
CA1067735A (fr) 1979-12-11
US3974507A (en) 1976-08-10
JPS6244246B2 (fr) 1987-09-18
DE2643364A1 (de) 1977-04-07
GB1554201A (en) 1979-10-17

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Legal Events

Date Code Title Description
ST Notification of lapse