JPS56118379A - Gas laser tube - Google Patents

Gas laser tube

Info

Publication number
JPS56118379A
JPS56118379A JP2213380A JP2213380A JPS56118379A JP S56118379 A JPS56118379 A JP S56118379A JP 2213380 A JP2213380 A JP 2213380A JP 2213380 A JP2213380 A JP 2213380A JP S56118379 A JPS56118379 A JP S56118379A
Authority
JP
Japan
Prior art keywords
tube
high frequency
electrode
electrodes
gas
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
JP2213380A
Other languages
Japanese (ja)
Inventor
Susumu Yasuda
Isao Kobayashi
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP2213380A priority Critical patent/JPS56118379A/en
Publication of JPS56118379A publication Critical patent/JPS56118379A/en
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
    • H01S3/09—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
    • 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
    • H01S3/038—Electrodes, e.g. special shape, configuration or composition

Landscapes

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

Abstract

PURPOSE:To give nonelectrodic nature and longer life to a gas laser tube, by mounting more than a pair of outside electrode outside a plasma fine tube and secondary electron radioactive materials inside the tube, and exciting high frequency discharges. CONSTITUTION:A pair of outside electrode 3, 3' is mounted on each outer side of a vacuum outer container 2 which acts as a plasma fine tube containing gaseous laser media 1. A high frequency current is fed to the electrode 3, 3' from a high frequency oscillator 4 to create high frequency excitation. At the time, the secondary electron radioactive materials 11, 11' are mounted inside the plasma fine tube corresponding to the electrodes 3, 3'. When discharge occurs between the electrodes 3, 3' owing to the high frequency excitations, the secondary electrons are discharged from the materials 11, 11' to make uniform the discharges in the laser tube easily and reduce the voltage decrease in the tube and lower the high frequency current to be applied to the electrode 3, 3'. With such an arrangement, because no electrode is contained within, the structure becomes simpler and no gas pressure lowering owing to absorption of gas to electrodes occurs, and longer life on the part of the tube can be realized.
JP2213380A 1980-02-22 1980-02-22 Gas laser tube Pending JPS56118379A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2213380A JPS56118379A (en) 1980-02-22 1980-02-22 Gas laser tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2213380A JPS56118379A (en) 1980-02-22 1980-02-22 Gas laser tube

Publications (1)

Publication Number Publication Date
JPS56118379A true JPS56118379A (en) 1981-09-17

Family

ID=12074389

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2213380A Pending JPS56118379A (en) 1980-02-22 1980-02-22 Gas laser tube

Country Status (1)

Country Link
JP (1) JPS56118379A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4907241A (en) * 1986-07-18 1990-03-06 Fanuc Ltd Gas laser device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4907241A (en) * 1986-07-18 1990-03-06 Fanuc Ltd Gas laser device

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