JPS55128889A - Laser device - Google Patents

Laser device

Info

Publication number
JPS55128889A
JPS55128889A JP3608679A JP3608679A JPS55128889A JP S55128889 A JPS55128889 A JP S55128889A JP 3608679 A JP3608679 A JP 3608679A JP 3608679 A JP3608679 A JP 3608679A JP S55128889 A JPS55128889 A JP S55128889A
Authority
JP
Japan
Prior art keywords
voltage
discharge
arc
arc discharge
deterioration
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.)
Granted
Application number
JP3608679A
Other languages
Japanese (ja)
Other versions
JPS639394B2 (en
Inventor
Shigeru Takagi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP3608679A priority Critical patent/JPS55128889A/en
Publication of JPS55128889A publication Critical patent/JPS55128889A/en
Publication of JPS639394B2 publication Critical patent/JPS639394B2/ja
Granted 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

Landscapes

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

Abstract

PURPOSE:To prevent the damage of a cathode and the deterioration of a mixture gas in a laser device by detecting the transition to an arc discharge by the variation of the discharge voltage to detect it within partial arc discharge state. CONSTITUTION:When a reactor 7 is inserted to observe the waveform of a discharge voltage V0 between an anode 1 and cathode 2 through resistors 8, 9, the discharge voltage is instantaneously dropped before transferring to the arc discharge and returned to the original voltage as a partial arc phenomenon. When this phenomenon occurs, a laser excitation efficiency is decreased, the frequency of the arc discharges is increased to finally become the arc discharge. When detecting the fact that the voltage V0 becomes less than set value, a current is not increased owing to the effect of the inductance in the circuit to eliminate the damage of the electrodes due to the arc discharge and the deterioration of the mixture gas therein. It is noted that the timing change of the voltage V0 may also be detected to become higher than the set value.
JP3608679A 1979-03-27 1979-03-27 Laser device Granted JPS55128889A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3608679A JPS55128889A (en) 1979-03-27 1979-03-27 Laser device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3608679A JPS55128889A (en) 1979-03-27 1979-03-27 Laser device

Publications (2)

Publication Number Publication Date
JPS55128889A true JPS55128889A (en) 1980-10-06
JPS639394B2 JPS639394B2 (en) 1988-02-29

Family

ID=12459927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3608679A Granted JPS55128889A (en) 1979-03-27 1979-03-27 Laser device

Country Status (1)

Country Link
JP (1) JPS55128889A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01321671A (en) * 1988-06-22 1989-12-27 Fanuc Ltd Nc laser device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01321671A (en) * 1988-06-22 1989-12-27 Fanuc Ltd Nc laser device

Also Published As

Publication number Publication date
JPS639394B2 (en) 1988-02-29

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