GB2294126B - Optical transmission and solid state laser devices using graded index optical fiber - Google Patents

Optical transmission and solid state laser devices using graded index optical fiber

Info

Publication number
GB2294126B
GB2294126B GB9520850A GB9520850A GB2294126B GB 2294126 B GB2294126 B GB 2294126B GB 9520850 A GB9520850 A GB 9520850A GB 9520850 A GB9520850 A GB 9520850A GB 2294126 B GB2294126 B GB 2294126B
Authority
GB
United Kingdom
Prior art keywords
solid state
state laser
laser devices
graded index
optical fiber
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 - Fee Related
Application number
GB9520850A
Other versions
GB2294126A (en
GB9520850D0 (en
Inventor
Kazuki Kuba
Akira Ishimori
Koji Yasui
Kenji Kumamoto
Kuniaki Iwashiro
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to GB9726180A priority Critical patent/GB2318882B/en
Publication of GB9520850D0 publication Critical patent/GB9520850D0/en
Publication of GB2294126A publication Critical patent/GB2294126A/en
Application granted granted Critical
Publication of GB2294126B publication Critical patent/GB2294126B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • 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
    • B23K26/03—Observing, e.g. monitoring, the workpiece
    • B23K26/032—Observing, e.g. monitoring, the workpiece using optical means
    • 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
    • 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
    • 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
    • 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
    • B23K26/0665—Shaping the laser beam, e.g. by masks or multi-focusing by beam condensation on the workpiece, e.g. for focusing
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00779—Power or energy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/0091—Handpieces of the surgical instrument or device
    • A61B2018/00916—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
    • A61B2018/00958—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device for switching between different working modes of the main function
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B2018/2035—Beam shaping or redirecting; Optical components therefor
    • A61B2018/20553—Beam shaping or redirecting; Optical components therefor with special lens or reflector arrangement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • A61B2018/2205—Characteristics of fibres
    • 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
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
GB9520850A 1994-10-14 1995-10-11 Optical transmission and solid state laser devices using graded index optical fiber Expired - Fee Related GB2294126B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9726180A GB2318882B (en) 1994-10-14 1995-10-11 Optical transmission and solid state laser devices using graded index optical fiber

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24945994 1994-10-14
JP25363795A JP3645013B2 (en) 1994-10-14 1995-09-29 Optical transmission device, solid-state laser device, and laser processing device using them

Publications (3)

Publication Number Publication Date
GB9520850D0 GB9520850D0 (en) 1995-12-13
GB2294126A GB2294126A (en) 1996-04-17
GB2294126B true GB2294126B (en) 1998-08-26

Family

ID=26539300

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9520850A Expired - Fee Related GB2294126B (en) 1994-10-14 1995-10-11 Optical transmission and solid state laser devices using graded index optical fiber

Country Status (2)

Country Link
JP (1) JP3645013B2 (en)
GB (1) GB2294126B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3549711A4 (en) * 2016-11-29 2019-11-06 Panasonic Intellectual Property Management Co., Ltd. Core adjustment method
CN111050978A (en) * 2017-09-11 2020-04-21 松下知识产权经营株式会社 Laser device

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JP3883077B2 (en) * 2000-02-02 2007-02-21 富士電機システムズ株式会社 Solid-state laser device and method of entering laser light into fiber
JP4162876B2 (en) * 2001-07-30 2008-10-08 松下電器産業株式会社 Laser equipment
JP4987199B2 (en) * 2001-09-05 2012-07-25 株式会社東芝 Optical transmission device, laser light generation / transmission device, and laser processing device
JP2007072134A (en) * 2005-09-06 2007-03-22 Mitsubishi Electric Corp Wavelength conversion laser device
WO2007032066A1 (en) * 2005-09-14 2007-03-22 Mitsubishi Denki Kabushiki Kaisha Rod type solid state laser
JP2007109978A (en) * 2005-10-14 2007-04-26 Konica Minolta Opto Inc Semiconductor light source module
JP2007136477A (en) * 2005-11-16 2007-06-07 Disco Abrasive Syst Ltd Laser beam machining apparatus
JP5045187B2 (en) * 2007-03-30 2012-10-10 コニカミノルタアドバンストレイヤー株式会社 Optical element unit
JP5332571B2 (en) * 2008-12-08 2013-11-06 株式会社ジェイテクト Optical axis adjusting method between laser beam and optical fiber and optical axis adjusting device between laser beam and optical fiber
DE202010006047U1 (en) * 2010-04-22 2010-07-22 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Beam shaping unit for focusing a laser beam
PL3693122T3 (en) * 2010-12-16 2022-10-31 Bystronic Laser Ag Laser beam machining device comprising a single lens for light focussing
BE1020754A3 (en) * 2012-06-14 2014-04-01 Centre Rech Metallurgique DEVICE FOR FOCUSING AND CENTERING A LUMINOUS BEAM FOR OPTIMIZING SPECTROMETRIC SYSTEMS.
WO2014114953A2 (en) * 2013-01-28 2014-07-31 Bae Systems Plc Directional multi-band antenna
EP2760081A1 (en) * 2013-01-28 2014-07-30 BAE Systems PLC Directional multi-band antenna
US9468368B2 (en) * 2014-08-26 2016-10-18 Novartis Ag Optical coupling efficiency detection
JP5926340B2 (en) * 2014-09-12 2016-05-25 株式会社フジクラ LD module
DE102015205163B4 (en) * 2015-03-23 2017-04-13 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Optical system for a laser processing machine, having an optical element in a plug of a light guide cable
US9572629B1 (en) * 2015-08-31 2017-02-21 Novartis Ag Sub-micron alignment of a monitoring fiber for optical feedback in an ophthalmic endo-illumination system
JP6704200B2 (en) * 2016-03-09 2020-06-03 株式会社アマダ Fiber coupling device and fiber laser processing machine
JP6145194B2 (en) * 2016-04-21 2017-06-07 株式会社フジクラ LD module
EP3281598A1 (en) * 2016-08-09 2018-02-14 Koninklijke Philips N.V. Light based skin treatment device and method
EP3553574B1 (en) 2016-12-06 2023-01-04 Panasonic Intellectual Property Management Co., Ltd. Alignment method
JP7065346B2 (en) * 2018-05-25 2022-05-12 パナソニックＩｐマネジメント株式会社 Direct diode laser machining equipment and its control method
WO2020054043A1 (en) * 2018-09-13 2020-03-19 株式会社ニコン Optical device and microscope
JPWO2021117892A1 (en) * 2019-12-13 2021-06-17

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155379A2 (en) * 1984-03-02 1985-09-25 Siemens Aktiengesellschaft Arrangement for coupling a light wave guide to a semiconductor laser and method for manufacturing such an arrangement
US4865409A (en) * 1987-09-30 1989-09-12 Siemens Aktiengesellschaft Coupling arrangement for coupling light of a semiconductor laser diode into a multimode glass fiber
JPH02216111A (en) * 1989-02-17 1990-08-29 Nec Corp Semiconductor laser module

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155379A2 (en) * 1984-03-02 1985-09-25 Siemens Aktiengesellschaft Arrangement for coupling a light wave guide to a semiconductor laser and method for manufacturing such an arrangement
US4865409A (en) * 1987-09-30 1989-09-12 Siemens Aktiengesellschaft Coupling arrangement for coupling light of a semiconductor laser diode into a multimode glass fiber
JPH02216111A (en) * 1989-02-17 1990-08-29 Nec Corp Semiconductor laser module

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3549711A4 (en) * 2016-11-29 2019-11-06 Panasonic Intellectual Property Management Co., Ltd. Core adjustment method
CN111050978A (en) * 2017-09-11 2020-04-21 松下知识产权经营株式会社 Laser device

Also Published As

Publication number Publication date
JPH08167754A (en) 1996-06-25
JP3645013B2 (en) 2005-05-11
GB2294126A (en) 1996-04-17
GB9520850D0 (en) 1995-12-13

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20000127

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20111011