JPS55111187A - Laser device - Google Patents

Laser device

Info

Publication number
JPS55111187A
JPS55111187A JP1936279A JP1936279A JPS55111187A JP S55111187 A JPS55111187 A JP S55111187A JP 1936279 A JP1936279 A JP 1936279A JP 1936279 A JP1936279 A JP 1936279A JP S55111187 A JPS55111187 A JP S55111187A
Authority
JP
Japan
Prior art keywords
output
oscillation wavelength
laser
amplifier
difference
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
JP1936279A
Other languages
English (en)
Japanese (ja)
Other versions
JPS637035B2 (enrdf_load_stackoverflow
Inventor
Minoru Akiyoshi
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 JP1936279A priority Critical patent/JPS55111187A/ja
Publication of JPS55111187A publication Critical patent/JPS55111187A/ja
Publication of JPS637035B2 publication Critical patent/JPS637035B2/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
    • H01S3/10—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)
  • Lasers (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
JP1936279A 1979-02-21 1979-02-21 Laser device Granted JPS55111187A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1936279A JPS55111187A (en) 1979-02-21 1979-02-21 Laser device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1936279A JPS55111187A (en) 1979-02-21 1979-02-21 Laser device

Publications (2)

Publication Number Publication Date
JPS55111187A true JPS55111187A (en) 1980-08-27
JPS637035B2 JPS637035B2 (enrdf_load_stackoverflow) 1988-02-15

Family

ID=11997246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1936279A Granted JPS55111187A (en) 1979-02-21 1979-02-21 Laser device

Country Status (1)

Country Link
JP (1) JPS55111187A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5248994A (en) * 1975-10-17 1977-04-19 Hitachi Ltd Method and apparatus for measuring laser light output

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5248994A (en) * 1975-10-17 1977-04-19 Hitachi Ltd Method and apparatus for measuring laser light output

Also Published As

Publication number Publication date
JPS637035B2 (enrdf_load_stackoverflow) 1988-02-15

Similar Documents

Publication Publication Date Title
US4295042A (en) Method of and device for measuring chlorophyll of living leaves
JPS6465460A (en) Space filter type speed measuring instrument
JPS6468625A (en) Light source detector
US4065672A (en) Ultraviolet sensor and exposure instrument
JPS552916A (en) Spectral photometer
US4057734A (en) Spectroscopic apparatus with balanced dual detectors
CN102445325A (zh) 一种测量自动变光焊接滤光镜遮光号的装置及方法
RU2290614C1 (ru) Двухканальный пирометр спектрального отношения
JPS55111187A (en) Laser device
US3879135A (en) Photometer circuitry for the digital indication of the light absorption of a test sample and for automatically obtaining null balance
JPS54131985A (en) Two-wavelength spectrophotometer
JPS5629112A (en) Distance measurement unit
US3653772A (en) Two lamp light comparison type densitometer
JPS5530632A (en) Spectroscopic photmeter of variable reception type
JPS6151248B2 (enrdf_load_stackoverflow)
SU1631376A1 (ru) Устройство дистанционного обнаружени объектов по спектральным характеристикам
JPS56143947A (en) Measuring device of transmittance for smoke
JPH05264352A (ja) 分光光度計
JPS56111432A (en) Detector for quantity of light
JPS63127127A (ja) 光パワ−測定器
JPH0142027Y2 (enrdf_load_stackoverflow)
US4272197A (en) Apparatus and method for measuring the ratio of two signals
JPS63127128A (ja) 光パワ−測定器
JPS5669505A (en) Laser position detecting device
JPS6144334A (ja) 温度測定装置