GB2143075B - Lasers - Google Patents

Lasers

Info

Publication number
GB2143075B
GB2143075B GB08411515A GB8411515A GB2143075B GB 2143075 B GB2143075 B GB 2143075B GB 08411515 A GB08411515 A GB 08411515A GB 8411515 A GB8411515 A GB 8411515A GB 2143075 B GB2143075 B GB 2143075B
Authority
GB
United Kingdom
Prior art keywords
lasers
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
GB08411515A
Other versions
GB2143075A (en
GB8411515D0 (en
Inventor
Donald Bowes
Peter N Allen
William Blake
Michael W Sasnett
Richard J Saunders
Donald Bennett
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.)
Coherent Inc
Original Assignee
Coherent 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
Priority claimed from US06/492,501 external-priority patent/US4547885A/en
Application filed by Coherent Inc filed Critical Coherent Inc
Publication of GB8411515D0 publication Critical patent/GB8411515D0/en
Publication of GB2143075A publication Critical patent/GB2143075A/en
Application granted granted Critical
Publication of GB2143075B publication Critical patent/GB2143075B/en
Expired 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
    • B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
    • B23K26/1462—Nozzles; Features related to nozzles
    • B23K26/1482—Detachable nozzles, e.g. exchangeable or provided with breakaway lines
    • 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
    • B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
    • B23K26/042—Automatically aligning the laser beam
    • 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
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/10—Devices involving relative movement between laser beam and workpiece using a fixed support, i.e. involving moving the laser beam
    • 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
    • H01S3/02—Constructional details
    • H01S3/03—Constructional details of gas laser discharge tubes
    • H01S3/036—Means for obtaining or maintaining the desired gas pressure within the tube, e.g. by gettering, replenishing; Means for circulating the gas, e.g. for equalising the pressure within the tube
    • 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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
    • H01S3/134—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation in gas lasers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Lasers (AREA)
GB08411515A 1983-05-06 1984-05-04 Lasers Expired GB2143075B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US49249583A 1983-05-06 1983-05-06
US49248083A 1983-05-06 1983-05-06
US49247983A 1983-05-06 1983-05-06
US49250083A 1983-05-06 1983-05-06
US06/492,501 US4547885A (en) 1983-05-06 1983-05-06 Active pressure regulator for a gas laser

Publications (3)

Publication Number Publication Date
GB8411515D0 GB8411515D0 (en) 1984-06-13
GB2143075A GB2143075A (en) 1985-01-30
GB2143075B true GB2143075B (en) 1987-12-09

Family

ID=27541765

Family Applications (4)

Application Number Title Priority Date Filing Date
GB08411515A Expired GB2143075B (en) 1983-05-06 1984-05-04 Lasers
GB08625640A Withdrawn GB2181863A (en) 1983-05-06 1986-10-27 Lasers
GB08625643A Withdrawn GB2181885A (en) 1983-05-06 1986-10-27 Power output control of laser
GB08625642A Expired GB2181869B (en) 1983-05-06 1986-10-27 Pressure regulating system for lasers

Family Applications After (3)

Application Number Title Priority Date Filing Date
GB08625640A Withdrawn GB2181863A (en) 1983-05-06 1986-10-27 Lasers
GB08625643A Withdrawn GB2181885A (en) 1983-05-06 1986-10-27 Power output control of laser
GB08625642A Expired GB2181869B (en) 1983-05-06 1986-10-27 Pressure regulating system for lasers

Country Status (3)

Country Link
DE (1) DE3416525A1 (en)
FR (1) FR2545661A1 (en)
GB (4) GB2143075B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3604470A1 (en) * 1986-02-13 1987-08-20 Held Laser Systems Ag MACHINING STATION FOR LARGE WORKPIECES
US4823349A (en) * 1987-03-31 1989-04-18 Rofin-Sinar, Inc. Resonator module and blower module assembly
GB2214700A (en) * 1988-01-20 1989-09-06 Cambridge Lasers Limited Gas discharge lasers
DE3826979A1 (en) * 1988-08-09 1990-02-15 Messer Griesheim Gmbh Resonator structure for gas laser
CN100558012C (en) 2006-08-10 2009-11-04 华为技术有限公司 Source self-adaptive mode aiming device and alignment methods

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB609715A (en) * 1943-02-22 1948-10-06 Honeywell Regulator Co Improvements in or relating to electric automatic regulating systems
GB924404A (en) * 1961-02-13 1963-04-24 North American Aviation Inc Automatic electric control system for a precision pressure generator
GB1090021A (en) * 1963-05-13 1967-11-08 Elliott Brothers London Ltd Improvements in or relating to fluid pressure control systems
GB1093890A (en) * 1966-05-02 1967-12-06 Adolf Brecka Improvements in or relating to the automatic control of burning processes
US3528424A (en) * 1967-02-17 1970-09-15 Waldemar A Ayres Laser surgical knife equipment
FR1527988A (en) * 1967-04-19 1968-06-07 Comp Generale Electricite Pressure stabilized gas lasers
US3541469A (en) * 1967-07-25 1970-11-17 Us Navy Adjustable recirculating liquid lens laser cell
US3566304A (en) * 1968-03-20 1971-02-23 Union Carbide Corp Gas laser pressure control for maintaining constant pressure
GB1284612A (en) * 1968-09-27 1972-08-09 Matushita Electric Ind Company Articulated laser beam guide tube
US3596873A (en) * 1968-12-04 1971-08-03 Optical Coating Laboratory Inc Valve assembly and servo system incorporating same
US3596202A (en) * 1969-03-28 1971-07-27 Bell Telephone Labor Inc Carbon dioxide laser operating upon a vibrational-rotational transition
DE1954767A1 (en) * 1969-10-30 1971-05-06 Messerschmitt Boelkow Blohm Method and arrangement for power stabilization of infrared gas lasers
US3628129A (en) * 1970-10-01 1971-12-14 Gen Electric Process controller including a rate circuit responsive solely to process variable signal changes
US3898583A (en) * 1972-03-29 1975-08-05 Xerox Corp Laser stabilization technique
GB1410557A (en) * 1972-09-12 1975-10-15 Physik Instr Pi Gmbh Laser mounting arrangements
IL40603A (en) * 1972-10-17 1975-12-31 Laser Ind Ltd Laser device with articulated arm
US4008444A (en) * 1976-01-19 1977-02-15 Avco Everett Research Laboratory, Inc. Feedback control of a laser output
US4122409A (en) * 1976-03-10 1978-10-24 Xerox Corporation Method and apparatus for controlling the intensity of a laser output beam
GB1563944A (en) * 1977-03-29 1980-04-02 Post Office Imjection lasers
GB2007015B (en) * 1977-10-26 1982-03-17 Post Office Control apparatus
EP0004190A1 (en) * 1978-03-13 1979-09-19 Xerox Corporation A gas laser
JPS5557393A (en) * 1978-10-26 1980-04-28 Sumitomo Electric Ind Ltd Laser processing device
GB2038080B (en) * 1978-11-09 1982-07-28 King T A Gas laser
JPS57104287A (en) * 1980-12-22 1982-06-29 Sumitomo Electric Ind Ltd Laser output controlling device
US4429392A (en) * 1981-12-21 1984-01-31 Sumitomo Electric Industries, Ltd. Laser output controlling device
FR2528187B1 (en) * 1982-06-08 1986-01-24 Commissariat Energie Atomique DEVICE FOR THE TRANSMISSION OF AN ENERGY BEAM

Also Published As

Publication number Publication date
GB8625640D0 (en) 1986-11-26
DE3416525A1 (en) 1984-11-08
GB2143075A (en) 1985-01-30
GB2181869A (en) 1987-04-29
GB8411515D0 (en) 1984-06-13
FR2545661A1 (en) 1984-11-09
GB2181885A (en) 1987-04-29
GB8625642D0 (en) 1986-11-26
GB8625643D0 (en) 1986-11-26
GB2181869B (en) 1987-12-09
GB2181863A (en) 1987-04-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee