JPS5763875A - Gas laser tube - Google Patents

Gas laser tube

Info

Publication number
JPS5763875A
JPS5763875A JP14023180A JP14023180A JPS5763875A JP S5763875 A JPS5763875 A JP S5763875A JP 14023180 A JP14023180 A JP 14023180A JP 14023180 A JP14023180 A JP 14023180A JP S5763875 A JPS5763875 A JP S5763875A
Authority
JP
Japan
Prior art keywords
cathode
laser tube
vessel
glass vessel
flare
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
JP14023180A
Other languages
Japanese (ja)
Inventor
Hiroshi Takizawa
Hiroshi Tanaka
Seizo Niihama
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 JP14023180A priority Critical patent/JPS5763875A/en
Publication of JPS5763875A publication Critical patent/JPS5763875A/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
    • H01S3/02—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 obtain a gas laser tube with higher reliability, by a method wherein one of a cathode is enlarged outward for obtaining resilience, and the cathode is made so as not to be subjected to a slide shift by pressing a glass vessel with the resilient force. CONSTITUTION:A cylindrical cathode 9 is equal to a cylindrical vessel in their outer diameters practically, and contacts with the inner surface of the vessel without shifting in the radial direction. The axial length of the cathode is much shorter than the internal axial length of the glass vessel, thus it is easy to be slided and shifted by the force from the outside. To suppress the shift described above, one end of the cathode is enlarged and a flare 91 is attached. The diameter of the flare part is slightly larger than the internal diameter of the glass vessel, therefore, it can not return to the original position because of the pressure pressing the tube wall of the flare when the cathode is inserted into the glass vessel for sealing the laser tube. Thus, a gal laser tube with high reliability is obtained.
JP14023180A 1980-10-07 1980-10-07 Gas laser tube Pending JPS5763875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14023180A JPS5763875A (en) 1980-10-07 1980-10-07 Gas laser tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14023180A JPS5763875A (en) 1980-10-07 1980-10-07 Gas laser tube

Publications (1)

Publication Number Publication Date
JPS5763875A true JPS5763875A (en) 1982-04-17

Family

ID=15263950

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14023180A Pending JPS5763875A (en) 1980-10-07 1980-10-07 Gas laser tube

Country Status (1)

Country Link
JP (1) JPS5763875A (en)

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