IL44342A - Flowing gas laser apparatus - Google Patents

Flowing gas laser apparatus

Info

Publication number
IL44342A
IL44342A IL44342A IL4434274A IL44342A IL 44342 A IL44342 A IL 44342A IL 44342 A IL44342 A IL 44342A IL 4434274 A IL4434274 A IL 4434274A IL 44342 A IL44342 A IL 44342A
Authority
IL
Israel
Prior art keywords
medium
working region
cavity structure
housing
gas
Prior art date
Application number
IL44342A
Other versions
IL44342A0 (en
Original Assignee
Avco Everett Res Lab Inc
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 Avco Everett Res Lab Inc filed Critical Avco Everett Res Lab Inc
Publication of IL44342A0 publication Critical patent/IL44342A0/en
Publication of IL44342A publication Critical patent/IL44342A/en

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
    • H01S3/0979—Gas dynamic lasers, i.e. with expansion of the laser gas medium to supersonic flow speeds

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)

Claims (9)

1. A flowing gas laser apparatus comprising an optical cavity structure defining a working region, an electric field applying structure carried within the working region, a gas flow arrangement connected wit the optical cavity structure for directing a high velocity flow of a gaseou working medium through the working region, and an ionizer in communication with the electric field applying structure for ionizing the gaseous working medium in the working region and inducing lasing action thereby, wherein the gas flow arrangement and the optical cavity structure, including the electric field applying structure carried within the working region of the cavity structure, are mounted withi a single housing sealed from atmospheric pressure and capable of being pressurized or evacuated to provide a substantially matching pressure environment for said cavity and field structures.
2. Apparatus according to Claim 1, wherein the housing includes a removable door having an aperture therethrough over which the ionizer is externally mounted for transmitting ionizing radiation into the working region within the housing.
3. Apparatus according to Claim 1, wherein the housing has the ionizer mounted therein for transmitting ionizing radiation into the working region.
4. Apparatus according to Claim 2 or 3, wherein the ionizer is a generator of electrons. * ί 44342/2
5. Apparatus according to any of Claims 1 to 4, wherein the gas flow arrangement includes a duct-defined flow path carrying the outflow of the medium from the optical cavity structure to and through a gas cooling device and back, in cooled condition, to said cavity structure.
6. Apparatus according to Claim 5 wherein a medium-circulating blower is located in the duct-defined flow path between the medium outlet of the gas cooling device and a medium inflow connection to the optical cavity structure.
7. Apparatus according to Claim 6, wherein the medium inflow connection consists of a nozzle capable of increasing the blower-imparted velocity of the medium as the medium flows into the working region.
8. Apparatus according to any Of Claims 5 to 7, wherein the gas flow arrangement includes a gas supply conduit connected to the duct-defined flow path and sealably extending through a outer wall of the housing for connection to a source of the medium, a gas evacuating conduit being connected at one end to the interior space of the housing for connection at the other end to a vacuum source.
9. A flowing gas laser apparatus constructed and arranged substantially as herein described with reference to the accompanying drawings. For the Applicants DR. REINHOLD COHN AND PARTNERS By: SCiCB
IL44342A 1973-03-09 1974-03-04 Flowing gas laser apparatus IL44342A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33951473A 1973-03-09 1973-03-09

Publications (2)

Publication Number Publication Date
IL44342A0 IL44342A0 (en) 1974-06-30
IL44342A true IL44342A (en) 1976-08-31

Family

ID=23329353

Family Applications (1)

Application Number Title Priority Date Filing Date
IL44342A IL44342A (en) 1973-03-09 1974-03-04 Flowing gas laser apparatus

Country Status (9)

Country Link
JP (1) JPS5755235B2 (en)
CA (1) CA1017841A (en)
CH (1) CH578268A5 (en)
DE (1) DE2411192A1 (en)
FR (1) FR2220897B1 (en)
GB (1) GB1426161A (en)
IL (1) IL44342A (en)
IT (1) IT1008408B (en)
SE (1) SE386320B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0001032B1 (en) * 1977-08-18 1981-02-25 ELTRO GmbH Gesellschaft für Strahlungstechnik Gas laser with transversal excitation
DE3123049C2 (en) * 1981-06-11 1983-07-21 Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg Method and device for operating a gas laser
US4751713A (en) * 1987-07-31 1988-06-14 Hughes Aircraft Company Gas laser having a piezoelectric fan
CN113054516B (en) * 2021-03-11 2022-06-24 京东方科技集团股份有限公司 Sealing device, laser and laser annealing equipment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2057075A1 (en) * 1969-08-08 1971-05-07 Sylvania Electric Prod
US3702973A (en) * 1970-09-17 1972-11-14 Avco Corp Laser or ozone generator in which a broad electron beam with a sustainer field produce a large area, uniform discharge
US3808553A (en) * 1972-11-21 1974-04-30 Avco Corp Thermally stable laser resonator support assembly

Also Published As

Publication number Publication date
DE2411192A1 (en) 1974-09-12
IL44342A0 (en) 1974-06-30
JPS5755235B2 (en) 1982-11-22
GB1426161A (en) 1976-02-25
FR2220897A1 (en) 1974-10-04
FR2220897B1 (en) 1978-12-29
IT1008408B (en) 1976-11-10
JPS49127592A (en) 1974-12-06
CA1017841A (en) 1977-09-20
SE386320B (en) 1976-08-02
CH578268A5 (en) 1976-07-30

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