GB1540619A - Gas lasers - Google Patents

Gas lasers

Info

Publication number
GB1540619A
GB1540619A GB4264876A GB4264876A GB1540619A GB 1540619 A GB1540619 A GB 1540619A GB 4264876 A GB4264876 A GB 4264876A GB 4264876 A GB4264876 A GB 4264876A GB 1540619 A GB1540619 A GB 1540619A
Authority
GB
United Kingdom
Prior art keywords
gas lasers
lasers
gas
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
GB4264876A
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 Ferranti PLC filed Critical Ferranti PLC
Priority to GB4264876A priority Critical patent/GB1540619A/en
Priority to DE19772745728 priority patent/DE2745728A1/en
Priority to JP12257677A priority patent/JPS5348690A/en
Publication of GB1540619A publication Critical patent/GB1540619A/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
    • H01S3/038—Electrodes, e.g. special shape, configuration or composition
    • H01S3/0388—Compositions, materials or coatings
    • 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
    • H01S3/02—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
    • H01S3/02—Constructional details
    • H01S3/03—Constructional details of gas laser discharge tubes
    • H01S3/038—Electrodes, e.g. special shape, configuration or composition
    • H01S3/0382—Cathodes or particular adaptations thereof

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Discharge Lamp (AREA)
GB4264876A 1976-10-14 1976-10-14 Gas lasers Expired GB1540619A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB4264876A GB1540619A (en) 1976-10-14 1976-10-14 Gas lasers
DE19772745728 DE2745728A1 (en) 1976-10-14 1977-10-11 GAS LASER OR ELECTRODE FOR THIS AND PROCESS FOR THEIR PRODUCTION
JP12257677A JPS5348690A (en) 1976-10-14 1977-10-14 Electrode for gas laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4264876A GB1540619A (en) 1976-10-14 1976-10-14 Gas lasers

Publications (1)

Publication Number Publication Date
GB1540619A true GB1540619A (en) 1979-02-14

Family

ID=10425361

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4264876A Expired GB1540619A (en) 1976-10-14 1976-10-14 Gas lasers

Country Status (3)

Country Link
JP (1) JPS5348690A (en)
DE (1) DE2745728A1 (en)
GB (1) GB1540619A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3234384A1 (en) * 1981-09-25 1983-04-07 United Technologies Corp., 06101 Hartford, Conn. CO (DOWN ARROW) 2 (DOWN ARROW) LASER
GB2175438A (en) * 1985-05-03 1986-11-26 Raytheon Co Laser electrode

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123206B (en) * 1982-07-02 1986-04-09 Raytheon Co Laser with recombination catalyst
DE3642749A1 (en) * 1986-12-15 1988-06-23 Eltro Gmbh SURFACES FOR ELECTRICAL DISCHARGE

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3234384A1 (en) * 1981-09-25 1983-04-07 United Technologies Corp., 06101 Hartford, Conn. CO (DOWN ARROW) 2 (DOWN ARROW) LASER
GB2175438A (en) * 1985-05-03 1986-11-26 Raytheon Co Laser electrode
GB2175438B (en) * 1985-05-03 1989-07-26 Raytheon Co Laser electrode
US5043997A (en) * 1985-05-03 1991-08-27 Raytheon Company Hybrid cathode

Also Published As

Publication number Publication date
DE2745728A1 (en) 1978-04-20
JPS5348690A (en) 1978-05-02

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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