GB2194671B - High-speed axial flow type gas laser oscillator - Google Patents

High-speed axial flow type gas laser oscillator

Info

Publication number
GB2194671B
GB2194671B GB08700826A GB8700826A GB2194671B GB 2194671 B GB2194671 B GB 2194671B GB 08700826 A GB08700826 A GB 08700826A GB 8700826 A GB8700826 A GB 8700826A GB 2194671 B GB2194671 B GB 2194671B
Authority
GB
United Kingdom
Prior art keywords
axial flow
laser oscillator
flow type
type gas
gas laser
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
GB08700826A
Other versions
GB2194671A (en
GB8700826D0 (en
Inventor
Hidenori Osada
Ryoji Koseki
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.)
Amada Engineering and Service Co Inc
Original Assignee
Amada Engineering and Service 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 Amada Engineering and Service Co Inc filed Critical Amada Engineering and Service Co Inc
Priority claimed from GB08432724A external-priority patent/GB2158635B/en
Publication of GB8700826D0 publication Critical patent/GB8700826D0/en
Publication of GB2194671A publication Critical patent/GB2194671A/en
Application granted granted Critical
Publication of GB2194671B publication Critical patent/GB2194671B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B23K26/70—Auxiliary operations or equipment
    • B23K26/702—Auxiliary equipment
    • 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
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/07—Construction or shape of active medium consisting of a plurality of parts, e.g. segments
    • H01S3/073—Gas lasers comprising separate discharge sections in one cavity, e.g. hybrid lasers
    • H01S3/076—Folded-path lasers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Lasers (AREA)
GB08700826A 1983-12-29 1984-12-28 High-speed axial flow type gas laser oscillator Expired GB2194671B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56679383A 1983-12-29 1983-12-29
GB08432724A GB2158635B (en) 1983-12-29 1984-12-28 High-speed axial flow type gas laser oscillator

Publications (3)

Publication Number Publication Date
GB8700826D0 GB8700826D0 (en) 1987-02-18
GB2194671A GB2194671A (en) 1988-03-09
GB2194671B true GB2194671B (en) 1988-09-21

Family

ID=26288619

Family Applications (4)

Application Number Title Priority Date Filing Date
GB08700825A Expired GB2195045B (en) 1983-12-29 1984-12-28 High-speed axial flow type gas laser oscillator
GB08700827A Expired GB2195202B (en) 1983-12-29 1984-12-28 High-speed axial flow type gas laser oscillator
GB08700824A Expired GB2194670B (en) 1983-12-29 1984-12-28 High-speed axial flow type gas laser oscillator
GB08700826A Expired GB2194671B (en) 1983-12-29 1984-12-28 High-speed axial flow type gas laser oscillator

Family Applications Before (3)

Application Number Title Priority Date Filing Date
GB08700825A Expired GB2195045B (en) 1983-12-29 1984-12-28 High-speed axial flow type gas laser oscillator
GB08700827A Expired GB2195202B (en) 1983-12-29 1984-12-28 High-speed axial flow type gas laser oscillator
GB08700824A Expired GB2194670B (en) 1983-12-29 1984-12-28 High-speed axial flow type gas laser oscillator

Country Status (1)

Country Link
GB (4) GB2195045B (en)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3651367A (en) * 1968-06-21 1972-03-21 Hitachi Ltd Electrical discharge tube
DE1944958C3 (en) * 1969-09-04 1974-08-22 Siemens Ag, 1000 Berlin Und 8000 Muenchen Gas laser with a resonator part accommodated in a housing
GB1256398A (en) * 1969-09-26 1971-12-08 Elliott Brothers London Ltd Improvements in or relating to gas lasers
CH522287A (en) * 1970-04-13 1972-06-15 Inst Angewandte Physik Low pressure gas discharge tube for lasers
US3808553A (en) * 1972-11-21 1974-04-30 Avco Corp Thermally stable laser resonator support assembly
GB1462360A (en) * 1973-10-23 1977-01-26 Boc International Ltd Lasers
NL7704397A (en) * 1977-04-22 1978-10-24 Philips Nv GAS DISCHARGE LASER DEVICE.
US4288756A (en) * 1977-06-17 1981-09-08 United Kingdom Atomic Energy Authority CO2 Laser
US4188592A (en) * 1978-04-10 1980-02-12 United Technologies Corporation Closed cycle chemical laser
GB2083687B (en) * 1980-08-21 1984-02-01 Secr Defence Circulating gas laser
GB2106705B (en) * 1981-09-17 1986-01-22 Atomic Energy Authority Uk Induced flow gas transport laser
US4578792A (en) * 1982-09-30 1986-03-25 Metalworking Lasers International Ltd. High-power lasers
CA1224557A (en) * 1983-05-19 1987-07-21 Ali Javan Laser system with interchangeable modules and method for interchanging such modules

Also Published As

Publication number Publication date
GB2195045B (en) 1988-09-21
GB8700825D0 (en) 1987-02-18
GB2194671A (en) 1988-03-09
GB8700827D0 (en) 1987-02-18
GB2195202B (en) 1988-09-21
GB2194670A (en) 1988-03-09
GB2194670B (en) 1988-09-21
GB2195045A (en) 1988-03-23
GB8700826D0 (en) 1987-02-18
GB2195202A (en) 1988-03-30
GB8700824D0 (en) 1987-02-18

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Legal Events

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

Effective date: 20011228