FR2330172A2 - Perfectionnements aux lasers a gaz dynamique a pompage thermique - Google Patents

Perfectionnements aux lasers a gaz dynamique a pompage thermique

Info

Publication number
FR2330172A2
FR2330172A2 FR7309584A FR7309584A FR2330172A2 FR 2330172 A2 FR2330172 A2 FR 2330172A2 FR 7309584 A FR7309584 A FR 7309584A FR 7309584 A FR7309584 A FR 7309584A FR 2330172 A2 FR2330172 A2 FR 2330172A2
Authority
FR
France
Prior art keywords
gas lasers
dynamic gas
thermal pumping
pumping
thermal
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
FR7309584A
Other languages
English (en)
French (fr)
Other versions
FR2330172B2 (enExample
Inventor
Roland Borghi
Marc Charpenel
Jean-Pierre Taran
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.)
Office National dEtudes et de Recherches Aerospatiales ONERA
Original Assignee
Office National dEtudes et de Recherches Aerospatiales ONERA
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 FR7225705A external-priority patent/FR2192396A1/fr
Application filed by Office National dEtudes et de Recherches Aerospatiales ONERA filed Critical Office National dEtudes et de Recherches Aerospatiales ONERA
Priority to FR7309584A priority Critical patent/FR2330172A2/fr
Priority to GB3379073A priority patent/GB1432400A/en
Priority to US379478A priority patent/US3882416A/en
Priority to SU731942244A priority patent/SU604514A3/ru
Priority to DE19732336341 priority patent/DE2336341C3/de
Priority to JP48082421A priority patent/JPS5756224B2/ja
Publication of FR2330172A2 publication Critical patent/FR2330172A2/fr
Application granted granted Critical
Publication of FR2330172B2 publication Critical patent/FR2330172B2/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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/095—Processes or apparatus for excitation, e.g. pumping using chemical or thermal pumping
    • H01S3/0951—Processes or apparatus for excitation, e.g. pumping using chemical or thermal pumping by increasing the pressure in the laser gas medium
    • H01S3/0953—Gas dynamic lasers, i.e. with expansion of the laser gas medium to supersonic flow speeds

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Hydrogen, Water And Hydrids (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR7309584A 1972-07-17 1973-03-16 Perfectionnements aux lasers a gaz dynamique a pompage thermique Granted FR2330172A2 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7309584A FR2330172A2 (fr) 1972-07-17 1973-03-16 Perfectionnements aux lasers a gaz dynamique a pompage thermique
GB3379073A GB1432400A (en) 1972-07-17 1973-07-16 Gasdynamic lasers
US379478A US3882416A (en) 1972-07-17 1973-07-16 Thermally pumped gasdynamic lasers
SU731942244A SU604514A3 (ru) 1972-07-17 1973-07-16 Способ получени инверсной населенности в газодинамическом лазере и устройство дл его осуществлени
DE19732336341 DE2336341C3 (de) 1972-07-17 1973-07-17 Thermisch angeregter gasdynamischer Laser
JP48082421A JPS5756224B2 (enExample) 1972-07-17 1973-07-17

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7225705A FR2192396A1 (en) 1972-07-17 1972-07-17 Thermally-pumped gas-dynamic laser - utilising expanding mixture of carbon mono- or dioxide with nitrogen and helium or argon
FR7309584A FR2330172A2 (fr) 1972-07-17 1973-03-16 Perfectionnements aux lasers a gaz dynamique a pompage thermique

Publications (2)

Publication Number Publication Date
FR2330172A2 true FR2330172A2 (fr) 1977-05-27
FR2330172B2 FR2330172B2 (enExample) 1978-03-24

Family

ID=26217217

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7309584A Granted FR2330172A2 (fr) 1972-07-17 1973-03-16 Perfectionnements aux lasers a gaz dynamique a pompage thermique

Country Status (5)

Country Link
US (1) US3882416A (enExample)
JP (1) JPS5756224B2 (enExample)
FR (1) FR2330172A2 (enExample)
GB (1) GB1432400A (enExample)
SU (1) SU604514A3 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200819A (en) * 1977-09-21 1980-04-29 The Boeing Company Unitary supersonic electrical discharge laser nozzle-channel
US4187595A (en) * 1978-09-12 1980-02-12 The United States of Amrica as represented by the Secretary of the Air Force Method of fabricating nozzle blades for lasers
US4348765A (en) * 1980-02-25 1982-09-07 Thermo Electron Corporation Thermionic laser
IL78405A0 (en) * 1986-04-02 1986-08-31 State Of Israel Israel Atomic Chemical lasers
RU2170998C1 (ru) * 1999-10-26 2001-07-20 Рассадкин Юрий Павлович Способ создания инверсной населенности в газодинамическом co2-лазере при низкой температуре и устройство для его осуществления
US6847674B1 (en) 2001-09-27 2005-01-25 Science Applications International Corporation Dual-flow common combustor chemical laser
EP4084930A1 (en) 2019-12-31 2022-11-09 Cold Jet LLC Method and apparatus for enhanced blast stream

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3760294A (en) * 1971-09-27 1973-09-18 Us Army Thermal mixing gas laser

Also Published As

Publication number Publication date
JPS4980991A (enExample) 1974-08-05
FR2330172B2 (enExample) 1978-03-24
JPS5756224B2 (enExample) 1982-11-29
US3882416A (en) 1975-05-06
SU604514A3 (ru) 1978-04-25
DE2336341B2 (de) 1976-12-16
DE2336341A1 (de) 1974-02-07
GB1432400A (en) 1976-04-14

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