FR2589639A1 - Appareil a laser a gaz - Google Patents

Appareil a laser a gaz Download PDF

Info

Publication number
FR2589639A1
FR2589639A1 FR8615056A FR8615056A FR2589639A1 FR 2589639 A1 FR2589639 A1 FR 2589639A1 FR 8615056 A FR8615056 A FR 8615056A FR 8615056 A FR8615056 A FR 8615056A FR 2589639 A1 FR2589639 A1 FR 2589639A1
Authority
FR
France
Prior art keywords
gas
tube
discharge
discharge tube
laser apparatus
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.)
Pending
Application number
FR8615056A
Other languages
English (en)
French (fr)
Inventor
Jill Courtney
David Ian Wheatley
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.)
Ferranti International PLC
Original Assignee
Ferranti 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 Ferranti PLC filed Critical Ferranti PLC
Publication of FR2589639A1 publication Critical patent/FR2589639A1/fr
Pending 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
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/07—Construction or shape of active medium consisting of a plurality of parts, e.g. segments
    • H01S3/073—Gas lasers comprising separate discharge sections in one cavity, e.g. hybrid lasers
    • H01S3/076—Folded-path lasers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
FR8615056A 1985-11-01 1986-10-29 Appareil a laser a gaz Pending FR2589639A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08526988A GB2182483A (en) 1985-11-01 1985-11-01 Gas laser apparatus

Publications (1)

Publication Number Publication Date
FR2589639A1 true FR2589639A1 (fr) 1987-05-07

Family

ID=10587602

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8615056A Pending FR2589639A1 (fr) 1985-11-01 1986-10-29 Appareil a laser a gaz

Country Status (5)

Country Link
JP (1) JPS62165382A (it)
DE (1) DE3637376A1 (it)
FR (1) FR2589639A1 (it)
GB (1) GB2182483A (it)
IT (1) IT1199284B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2706557B2 (ja) * 1990-06-07 1998-01-28 ファナック株式会社 レーザ発振装置
US8611391B2 (en) 2011-05-03 2013-12-17 Coherent, Inc. Waveguide CO2 laser with mutiply folded resonator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015003A1 (en) * 1979-02-21 1980-09-03 Hitachi, Ltd. Coaxial type gas-flow laser device
EP0109025A2 (en) * 1982-11-10 1984-05-23 Hitachi, Ltd. Gas laser generator
JPS6057986A (ja) * 1983-09-09 1985-04-03 Hitachi Ltd ガスレ−ザ発生装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3660778A (en) * 1970-06-16 1972-05-02 Leo J Le Blanc Sr Laser beam folding device
US3900804A (en) * 1973-12-26 1975-08-19 United Aircraft Corp Multitube coaxial closed cycle gas laser system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015003A1 (en) * 1979-02-21 1980-09-03 Hitachi, Ltd. Coaxial type gas-flow laser device
EP0109025A2 (en) * 1982-11-10 1984-05-23 Hitachi, Ltd. Gas laser generator
JPS6057986A (ja) * 1983-09-09 1985-04-03 Hitachi Ltd ガスレ−ザ発生装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 9, no. 189 (E-333)[1912], 6 août 1985; & JP-A-60 57 986 (HITACHI SEISAKUSHO K.K.) 03-04-1985 *

Also Published As

Publication number Publication date
IT1199284B (it) 1988-12-30
GB2182483A (en) 1987-05-13
DE3637376A1 (de) 1987-05-14
JPS62165382A (ja) 1987-07-21
IT8648603A0 (it) 1986-10-30
GB8526988D0 (en) 1985-12-04

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