FR2169234A1 - - Google Patents

Info

Publication number
FR2169234A1
FR2169234A1 FR7302597A FR7302597A FR2169234A1 FR 2169234 A1 FR2169234 A1 FR 2169234A1 FR 7302597 A FR7302597 A FR 7302597A FR 7302597 A FR7302597 A FR 7302597A FR 2169234 A1 FR2169234 A1 FR 2169234A1
Authority
FR
France
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
FR7302597A
Other languages
French (fr)
Other versions
FR2169234B1 (en
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce 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 Rolls Royce PLC filed Critical Rolls Royce PLC
Publication of FR2169234A1 publication Critical patent/FR2169234A1/fr
Application granted granted Critical
Publication of FR2169234B1 publication Critical patent/FR2169234B1/fr
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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/083—Ring lasers
    • 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)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Fluid Mechanics (AREA)
  • Lasers (AREA)
FR7302597A 1972-01-26 1973-01-25 Expired FR2169234B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB380172A GB1420932A (en) 1972-01-26 1972-01-26 Lasers

Publications (2)

Publication Number Publication Date
FR2169234A1 true FR2169234A1 (en) 1973-09-07
FR2169234B1 FR2169234B1 (en) 1976-09-10

Family

ID=9765156

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7302597A Expired FR2169234B1 (en) 1972-01-26 1973-01-25

Country Status (5)

Country Link
JP (1) JPS558831B2 (en)
DE (1) DE2303167C3 (en)
FR (1) FR2169234B1 (en)
GB (1) GB1420932A (en)
IT (1) IT978531B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982205A (en) * 1974-10-17 1976-09-21 Avco Everett Research Laboratory, Inc. Method for producing a lasable gaseous mixture for use in and operation of electron beam-sustainer stabilized carbon dioxide lasers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
DE2303167C3 (en) 1979-05-23
DE2303167A1 (en) 1973-08-16
GB1420932A (en) 1976-01-14
JPS4884587A (en) 1973-11-09
JPS558831B2 (en) 1980-03-06
FR2169234B1 (en) 1976-09-10
DE2303167B2 (en) 1978-09-21
IT978531B (en) 1974-09-20

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse