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GB2028571B - Carbon dioxide gas lasers - Google Patents

Carbon dioxide gas lasers

Info

Publication number
GB2028571B
GB2028571B GB7922594A GB7922594A GB2028571B GB 2028571 B GB2028571 B GB 2028571B GB 7922594 A GB7922594 A GB 7922594A GB 7922594 A GB7922594 A GB 7922594A GB 2028571 B GB2028571 B GB 2028571B
Authority
GB
United Kingdom
Prior art keywords
carbon dioxide
dioxide gas
gas lasers
lasers
carbon
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.)
Expired
Application number
GB7922594A
Other versions
GB2028571A (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.)
SECR DEFENCE
UK Secretary of State for Defence
Original Assignee
SECR DEFENCE
UK Secretary of State for Defence
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 SECR DEFENCE, UK Secretary of State for Defence filed Critical SECR DEFENCE
Priority to GB7922594A priority Critical patent/GB2028571B/en
Publication of GB2028571A publication Critical patent/GB2028571A/en
Application granted granted Critical
Publication of GB2028571B publication Critical patent/GB2028571B/en
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
    • H01S3/09—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
    • H01S3/0971—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser transversely excited
    • H01S3/09713—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser transversely excited with auxiliary ionisation, e.g. double discharge excitation
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
GB7922594A 1978-07-10 1979-06-28 Carbon dioxide gas lasers Expired GB2028571B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7922594A GB2028571B (en) 1978-07-10 1979-06-28 Carbon dioxide gas lasers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7829328 1978-07-10
GB7922594A GB2028571B (en) 1978-07-10 1979-06-28 Carbon dioxide gas lasers

Publications (2)

Publication Number Publication Date
GB2028571A GB2028571A (en) 1980-03-05
GB2028571B true GB2028571B (en) 1982-09-08

Family

ID=26268163

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7922594A Expired GB2028571B (en) 1978-07-10 1979-06-28 Carbon dioxide gas lasers

Country Status (1)

Country Link
GB (1) GB2028571B (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2107109B (en) * 1981-09-25 1985-07-24 United Technologies Corp Catalyzed c02 laser
US4547886A (en) * 1981-09-25 1985-10-15 United Technologies Corporation Catalyzed sealed-off CO2 laser
DE3148570C2 (en) * 1981-12-08 1991-02-14 Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg Electrically excited CO ↓ ↓ 2 ↓ ↓ laser
US4451924A (en) * 1982-05-19 1984-05-29 Westinghouse Electric Corp. Mercury halide lasers utilizing electrodes coated with a getter
GB2123206B (en) * 1982-07-02 1986-04-09 Raytheon Co Laser with recombination catalyst
GB8300554D0 (en) * 1983-01-10 1983-02-09 Atomic Energy Authority Uk Catalyst preparation
CA1188288A (en) * 1983-03-02 1985-06-04 Pierre Mathieu Method for producing a catalyst for oxidizing carbon monoxide
FR2545994B1 (en) * 1983-05-09 1986-12-19 Telecommunications Sa LASER GENERATOR WITH LASER GAS CATALYST
GB8426319D0 (en) * 1984-10-18 1984-11-21 Oxford Lasers Ltd Laser devices
US4689796A (en) * 1985-09-24 1987-08-25 Spectra-Physics, Inc. Method and apparatus for regulating pressure in laser tubes
US4839330A (en) * 1986-06-12 1989-06-13 The United States Of America As Repesented By The Administrator Of The National Aeronautics And Space Administration Isotope exchange in oxide-containing catalyst
US4756000A (en) * 1987-02-18 1988-07-05 Macken John A Discharge driven gold catalyst with application to a CO2 laser
US4757512A (en) * 1987-02-18 1988-07-12 Macken John A Discharge driven silver oxide catalyst with application to a CO2 laser
GB8716565D0 (en) * 1987-07-14 1987-08-19 British Petroleum Co Plc Catalyst
US4818745A (en) * 1987-09-08 1989-04-04 Phillips Petroleum Company Catalyst for oxidation of carbon monoxide and process for preparing the catalyst
US4808394A (en) * 1987-09-08 1989-02-28 Phillips Petroleum Company Catalytic oxidation of carbon monoxide
US4920088A (en) * 1987-09-08 1990-04-24 Phillips Petroleum Company Catalyst for the oxidation of carbon monoxide
US4830844A (en) * 1987-10-06 1989-05-16 Phillips Petroleum Company Oxidation of carbon monoxide and catalyst composition therefor
US4897848A (en) * 1988-01-29 1990-01-30 John Macken Discharge driven precious metal catalyst with application to carbon monoxide lasers
US4902660A (en) * 1988-02-26 1990-02-20 Phillips Petroleum Company Catalyst for oxidation of carbon monoxide
US4911904A (en) * 1988-02-26 1990-03-27 Phillips Petroleum Company Catalytic oxidation of carbon monoxide
US4921830A (en) * 1988-04-13 1990-05-01 Phillips Petroleum Company Catalyst for the oxidation of carbon monoxide
US4868841A (en) * 1988-06-13 1989-09-19 Hughes Aircraft Company Directly heated ceramic catalyst support
US5020069A (en) * 1989-12-18 1991-05-28 Hughes Aircraft Company Platinum catalyst for forming carbon dioxide
US5071818A (en) * 1991-03-21 1991-12-10 Phillips Petroleum Company Process for preparation of tin dioxide containing catalyst composition
US5771259A (en) * 1996-11-08 1998-06-23 Dvorkin; Lev P. Laser electrode coating
US6656127B1 (en) 1999-06-08 2003-12-02 Oridion Breathid Ltd. Breath test apparatus and methods
US7469000B2 (en) 2006-11-22 2008-12-23 Universal Laser Systems, Inc. Gas lasers including nanoscale catalysts and methods for producing such lasers

Also Published As

Publication number Publication date
GB2028571A (en) 1980-03-05

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19990627