FR2449346A1 - Laser a gaz - Google Patents

Laser a gaz

Info

Publication number
FR2449346A1
FR2449346A1 FR7904011A FR7904011A FR2449346A1 FR 2449346 A1 FR2449346 A1 FR 2449346A1 FR 7904011 A FR7904011 A FR 7904011A FR 7904011 A FR7904011 A FR 7904011A FR 2449346 A1 FR2449346 A1 FR 2449346A1
Authority
FR
France
Prior art keywords
cathode
axis
gas laser
laser
around
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.)
Granted
Application number
FR7904011A
Other languages
English (en)
Other versions
FR2449346B1 (fr
Inventor
Jean-Claude Farcy
Guy Helias
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
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 Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Priority to FR7904011A priority Critical patent/FR2449346A1/fr
Priority to GB8003707A priority patent/GB2041634B/en
Priority to US06/118,765 priority patent/US4307350A/en
Priority to DE19803005072 priority patent/DE3005072A1/de
Publication of FR2449346A1 publication Critical patent/FR2449346A1/fr
Application granted granted Critical
Publication of FR2449346B1 publication Critical patent/FR2449346B1/fr
Granted 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
    • H01S3/0385—Shape
    • 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)

Abstract

L'INVENTION CONCERNE UN LASER A GAZ. CE LASER COMPORTE NOTAMMENT UNE CATHODE 2 SENSIBLEMENT CYLINDRIQUE AUTOUR D'UN AXE 10 PARALLELE A L'AXE DE LA CAVITE LASER, CETTE CATHODE ETANT MUNIE DE PROTUBERANCES 11 FORMEES PAR DES RAINURES DANS LESQUELLES EST DISPOSE UN FIL CONDUCTEUR ISOLE 12 PORTE A UN POTENTIEL ELECTRIQUE POSITIF PAR RAPPORT A LA CATHODE, ET DES MOYENS POUR FAIRE TOURNER LA CATHODE AUTOUR DE SON AXE. APPLICATION A LA SOUDURE ET A L'USINAGE.
FR7904011A 1979-02-16 1979-02-16 Laser a gaz Granted FR2449346A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7904011A FR2449346A1 (fr) 1979-02-16 1979-02-16 Laser a gaz
GB8003707A GB2041634B (en) 1979-02-16 1980-02-04 Gas laser
US06/118,765 US4307350A (en) 1979-02-16 1980-02-05 Gas laser
DE19803005072 DE3005072A1 (de) 1979-02-16 1980-02-11 Gaslaser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7904011A FR2449346A1 (fr) 1979-02-16 1979-02-16 Laser a gaz

Publications (2)

Publication Number Publication Date
FR2449346A1 true FR2449346A1 (fr) 1980-09-12
FR2449346B1 FR2449346B1 (fr) 1983-05-06

Family

ID=9222083

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7904011A Granted FR2449346A1 (fr) 1979-02-16 1979-02-16 Laser a gaz

Country Status (4)

Country Link
US (1) US4307350A (fr)
DE (1) DE3005072A1 (fr)
FR (1) FR2449346A1 (fr)
GB (1) GB2041634B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4550408A (en) * 1981-02-27 1985-10-29 Heinrich Karning Method and apparatus for operating a gas laser
DE3138622A1 (de) * 1981-09-29 1983-04-14 Battelle-Institut E.V., 6000 Frankfurt "laseranordnung"
DE3245958A1 (de) * 1982-12-11 1984-06-14 Battelle-Institut E.V., 6000 Frankfurt Laseranordnung
DE3434373C1 (de) * 1984-09-19 1986-04-10 W.C. Heraeus Gmbh, 6450 Hanau Gaslaser,insbesondere CO2-Laser
CN100438234C (zh) * 2006-03-21 2008-11-26 李再光 气体激光器的气冷阴极绝缘盒及其激光器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2182732A2 (fr) * 1972-05-05 1973-12-14 Comp Generale Electricite

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2120191A5 (fr) * 1970-03-23 1972-08-18 Comp Generale Electricite

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2182732A2 (fr) * 1972-05-05 1973-12-14 Comp Generale Electricite

Also Published As

Publication number Publication date
GB2041634A (en) 1980-09-10
DE3005072A1 (de) 1980-08-28
GB2041634B (en) 1983-03-09
FR2449346B1 (fr) 1983-05-06
US4307350A (en) 1981-12-22

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Legal Events

Date Code Title Description
ST Notification of lapse