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JPS5389394A - Gas laser apparatus - Google Patents

Gas laser apparatus

Info

Publication number
JPS5389394A
JPS5389394A JP377377A JP377377A JPS5389394A JP S5389394 A JPS5389394 A JP S5389394A JP 377377 A JP377377 A JP 377377A JP 377377 A JP377377 A JP 377377A JP S5389394 A JPS5389394 A JP S5389394A
Authority
JP
Japan
Prior art keywords
laser apparatus
gas laser
occurrence
laser output
photo detector
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
JP377377A
Other languages
Japanese (ja)
Inventor
Norio Takahashi
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 JP377377A priority Critical patent/JPS5389394A/en
Publication of JPS5389394A publication Critical patent/JPS5389394A/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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
    • H01S3/134—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation in gas lasers

Landscapes

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

Abstract

PURPOSE:To make laser output constant despite the occurrence of temperature changes by adding a temperature compensating circuit to a photo detector.
JP377377A 1977-01-17 1977-01-17 Gas laser apparatus Pending JPS5389394A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP377377A JPS5389394A (en) 1977-01-17 1977-01-17 Gas laser apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP377377A JPS5389394A (en) 1977-01-17 1977-01-17 Gas laser apparatus

Publications (1)

Publication Number Publication Date
JPS5389394A true JPS5389394A (en) 1978-08-05

Family

ID=11566489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP377377A Pending JPS5389394A (en) 1977-01-17 1977-01-17 Gas laser apparatus

Country Status (1)

Country Link
JP (1) JPS5389394A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866722A (en) * 1988-03-25 1989-09-12 Ushio Denki Kabushiki Kaisha Metal vapor laser device stabilizing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866722A (en) * 1988-03-25 1989-09-12 Ushio Denki Kabushiki Kaisha Metal vapor laser device stabilizing system

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