FR2513027A1 - Dispositif pour produire un etat d'activite laser dans un ecoulement rapide subsonique - Google Patents

Dispositif pour produire un etat d'activite laser dans un ecoulement rapide subsonique Download PDF

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Publication number
FR2513027A1
FR2513027A1 FR8215311A FR8215311A FR2513027A1 FR 2513027 A1 FR2513027 A1 FR 2513027A1 FR 8215311 A FR8215311 A FR 8215311A FR 8215311 A FR8215311 A FR 8215311A FR 2513027 A1 FR2513027 A1 FR 2513027A1
Authority
FR
France
Prior art keywords
electrodes
pair
discharge
flow
dielectric
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.)
Withdrawn
Application number
FR8215311A
Other languages
English (en)
French (fr)
Inventor
Wolfram Schock
Helmut Hugel
Willy L Bohn
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.)
Deutsches Zentrum fuer Luft und Raumfahrt eV
Original Assignee
Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR
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 Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR filed Critical Deutsche Forschungs und Versuchsanstalt fuer Luft und Raumfahrt eV DFVLR
Publication of FR2513027A1 publication Critical patent/FR2513027A1/fr
Withdrawn legal-status Critical Current

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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
    • H01S3/097—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser
    • H01S3/0979—Gas dynamic lasers, i.e. with expansion of the laser gas medium to supersonic flow speeds
    • 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
    • H01S3/097—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser
    • H01S3/0975—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser using inductive or capacitive excitation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Fluid Mechanics (AREA)
  • Lasers (AREA)
FR8215311A 1981-09-12 1982-09-09 Dispositif pour produire un etat d'activite laser dans un ecoulement rapide subsonique Withdrawn FR2513027A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813136221 DE3136221A1 (de) 1981-09-12 1981-09-12 "vorrichtung zur erzeugung eines laseraktiven zustandes in einer schnellen unterschallstroemung"

Publications (1)

Publication Number Publication Date
FR2513027A1 true FR2513027A1 (fr) 1983-03-18

Family

ID=6141487

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8215311A Withdrawn FR2513027A1 (fr) 1981-09-12 1982-09-09 Dispositif pour produire un etat d'activite laser dans un ecoulement rapide subsonique

Country Status (8)

Country Link
JP (1) JPS5890791A (nl)
BE (1) BE894369A (nl)
DE (1) DE3136221A1 (nl)
FR (1) FR2513027A1 (nl)
GB (1) GB2107512B (nl)
IT (1) IT1152392B (nl)
LU (1) LU84372A1 (nl)
NL (1) NL8203305A (nl)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988009071A1 (en) * 1987-05-09 1988-11-17 Fraunhofer-Gesellschaft Zur Förderung Der Angewand Laser and process for production of a laser beam
EP0525823A1 (de) * 1987-09-24 1993-02-03 DEUTSCHE FORSCHUNGSANSTALT FÜR LUFT- UND RAUMFAHRT e.V. Entladungskanal für quergeströmte Hochleistungslaser
EP0664589A1 (en) * 1994-01-20 1995-07-26 Lumonics Limited Gas discharge lasers

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4606034A (en) * 1985-02-19 1986-08-12 Board Of Trustees, University Of Illinois Enhanced laser power output
EP0209311A3 (en) * 1985-07-12 1989-03-08 Kabushiki Kaisha Toshiba Gas laser apparatus
DE3705881A1 (de) * 1986-02-25 1987-08-27 Amada Co Ltd Gaslasergenerator
GB2204990B (en) * 1987-05-13 1991-09-18 English Electric Valve Co Ltd Laser apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748594A (en) * 1972-06-22 1973-07-24 Avco Corp Radio frequency electrically excited flowing gas laser
US4056789A (en) * 1976-07-02 1977-11-01 The United States Of America As Represented By The Secretary Of The Navy Electric discharge gas dynamic laser
EP0018535A1 (de) * 1979-05-04 1980-11-12 DEUTSCHE FORSCHUNGSANSTALT FÜR LUFT- UND RAUMFAHRT e.V. Verfahren zur Erzeugung eines laseraktiven Zustandes in einer Gasströmung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748594A (en) * 1972-06-22 1973-07-24 Avco Corp Radio frequency electrically excited flowing gas laser
US4056789A (en) * 1976-07-02 1977-11-01 The United States Of America As Represented By The Secretary Of The Navy Electric discharge gas dynamic laser
EP0018535A1 (de) * 1979-05-04 1980-11-12 DEUTSCHE FORSCHUNGSANSTALT FÜR LUFT- UND RAUMFAHRT e.V. Verfahren zur Erzeugung eines laseraktiven Zustandes in einer Gasströmung

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
APPLIED PHYSICS LETTERS, vol. 37, no. 8, octobre 1980, American Institute of Physics NEW YORK (US) P. HOFFMANN et al.: "CW carbon monoxide laser with microwave excitation in the supersonic flow", pages 673-674. *
IEEE JOURNAL OF QUANTUM ELECTRONICS, vol. QE-16, no. 9, septembre 1980 NEW YORK (US) C.P. CHRISTENSEN et al.: "Transverse electrodeless RF discharge excitation of high-pressure laser gas mixtures", pages 949-954. *
LASER & ELEKTRO OPTIK, vol. 13, no. 2, juin 1981 STUTTGART (DE) W. SCHOCK et al.: "Ein neues Laserkonzept: Quergeströmter CO2-Laser mit Hochfrequenzanregung", pages 76-77. *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988009071A1 (en) * 1987-05-09 1988-11-17 Fraunhofer-Gesellschaft Zur Förderung Der Angewand Laser and process for production of a laser beam
EP0525823A1 (de) * 1987-09-24 1993-02-03 DEUTSCHE FORSCHUNGSANSTALT FÜR LUFT- UND RAUMFAHRT e.V. Entladungskanal für quergeströmte Hochleistungslaser
EP0664589A1 (en) * 1994-01-20 1995-07-26 Lumonics Limited Gas discharge lasers

Also Published As

Publication number Publication date
DE3136221A1 (de) 1983-03-31
NL8203305A (nl) 1983-04-05
GB2107512A (en) 1983-04-27
GB2107512B (en) 1984-12-19
IT1152392B (it) 1986-12-31
BE894369A (fr) 1983-01-03
LU84372A1 (de) 1983-04-13
IT8223211A0 (it) 1982-09-10
JPS5890791A (ja) 1983-05-30

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Legal Events

Date Code Title Description
RE Withdrawal of published application