BE894369A - 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

Info

Publication number: BE894369A
Authority: BE; Belgium
Prior art keywords: fast; producing; activity state; subsonic flow; laser activity
Prior art date: 1981-09-12

Application number

BE0/208990A

Other languages

English (en)

French (fr)

Inventor

W Schock

H Hugel

W L Bohn

Original Assignee

Deutsche Forsch Luft Raumfahrt

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.)

1981-09-12

Filing date

1982-09-10

Publication date

1983-01-03

1982-09-10 Application filed by Deutsche Forsch Luft Raumfahrt filed Critical Deutsche Forsch Luft Raumfahrt

1983-01-03 Publication of BE894369A publication Critical patent/BE894369A/fr

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)

BE0/208990A 1981-09-12 1982-09-10 Dispositif pour produire un etat d'activite laser dans un ecoulement rapide subsonique BE894369A (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
BE894369A true BE894369A (fr)	1983-01-03

Family

ID=6141487

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE0/208990A BE894369A (fr)	1981-09-12	1982-09-10	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)

Families Citing this family (7)

* 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
GB2187326B (en) *	1986-02-25	1990-06-20	Amada Co Ltd	Gas laser generator
DE3738921A1 (de) *	1987-05-09	1988-11-17	Fraunhofer Ges Forschung	Laser und verfahren zur erzeugung von laserstrahlung
GB2204990B (en) *	1987-05-13	1991-09-18	English Electric Valve Co Ltd	Laser apparatus
DE3732135A1 (de) *	1987-09-24	1989-04-13	Deutsche Forsch Luft Raumfahrt	Entladungskanal fuer hochleistungslaser
GB9401005D0 (en) *	1994-01-20	1994-03-16	Lumonics Ltd	Gas discharge lasers

Family Cites Families (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
DE2917995C2 (de) *	1979-05-04	1981-06-19	Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5300 Bonn	Verfahren zur Erzeugung eines laseraktiven Zustandes in einer Gasströmung

1981
- 1981-09-12 DE DE19813136221 patent/DE3136221A1/de not_active Withdrawn
1982
- 1982-08-24 NL NL8203305A patent/NL8203305A/nl not_active Application Discontinuation
- 1982-09-09 FR FR8215311A patent/FR2513027A1/fr not_active Withdrawn
- 1982-09-09 LU LU84372A patent/LU84372A1/de unknown
- 1982-09-10 BE BE0/208990A patent/BE894369A/fr not_active IP Right Cessation
- 1982-09-10 JP JP57156884A patent/JPS5890791A/ja active Pending
- 1982-09-10 IT IT23211/82A patent/IT1152392B/it active
- 1982-09-13 GB GB08225995A patent/GB2107512B/en not_active Expired

Also Published As

Publication number	Publication date
FR2513027A1 (fr)	1983-03-18
IT8223211A0 (it)	1982-09-10
GB2107512A (en)	1983-04-27
NL8203305A (nl)	1983-04-05
DE3136221A1 (de)	1983-03-31
GB2107512B (en)	1984-12-19
IT1152392B (it)	1986-12-31
JPS5890791A (ja)	1983-05-30
LU84372A1 (de)	1983-04-13

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Legal Events

Date	Code	Title	Description
1986-03-31	RE	Patent lapsed	Owner name: DEUTSCHE FORSCHUNGS- UND VERSUCHSANSTALT FUR LUFT Effective date: 19850930

Date

Code

Title

Description

1986-03-31

Patent lapsed

Owner name: DEUTSCHE FORSCHUNGS- UND VERSUCHSANSTALT FUR LUFT

Effective date: 19850930