DE3415009C2 - - Google Patents

Info

Publication number
DE3415009C2
DE3415009C2 DE3415009A DE3415009A DE3415009C2 DE 3415009 C2 DE3415009 C2 DE 3415009C2 DE 3415009 A DE3415009 A DE 3415009A DE 3415009 A DE3415009 A DE 3415009A DE 3415009 C2 DE3415009 C2 DE 3415009C2
Authority
DE
Germany
Prior art keywords
laser beam
gas laser
laser according
detector elements
diaphragm part
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.)
Expired
Application number
DE3415009A
Other languages
German (de)
English (en)
Other versions
DE3415009A1 (de
Inventor
Shigenori Yagi
Koji Yasui
Shuji Ogawa
Masaki Amagasaki Hyogo Jp Kuzumoto
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
Priority claimed from JP58069532A external-priority patent/JPS59195894A/ja
Priority claimed from JP58223443A external-priority patent/JPH0624266B2/ja
Priority claimed from JP58229663A external-priority patent/JPS60121786A/ja
Priority claimed from JP383784A external-priority patent/JPS60155906A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE3415009A1 publication Critical patent/DE3415009A1/de
Application granted granted Critical
Publication of DE3415009C2 publication Critical patent/DE3415009C2/de
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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08018—Mode suppression
    • H01S3/0804—Transverse or lateral modes
    • H01S3/0805—Transverse or lateral modes by apertures, e.g. pin-holes or knife-edges
    • 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
    • H01S3/139—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
DE19843415009 1983-04-20 1984-04-19 Laservorrichtung Granted DE3415009A1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP58069532A JPS59195894A (ja) 1983-04-20 1983-04-20 レ−ザ装置
JP58223443A JPH0624266B2 (ja) 1983-11-28 1983-11-28 レーザ装置
JP58229663A JPS60121786A (ja) 1983-12-05 1983-12-05 レ−ザ装置
JP383784A JPS60155906A (ja) 1984-01-12 1984-01-12 レ−ザビ−ム位置検出器

Publications (2)

Publication Number Publication Date
DE3415009A1 DE3415009A1 (de) 1984-10-25
DE3415009C2 true DE3415009C2 (enExample) 1989-08-03

Family

ID=27453945

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843415009 Granted DE3415009A1 (de) 1983-04-20 1984-04-19 Laservorrichtung

Country Status (3)

Country Link
US (1) US4914671A (enExample)
DE (1) DE3415009A1 (enExample)
FR (1) FR2544922B1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3904421A1 (de) * 1989-02-14 1990-08-23 Eckhard Lessmueller Aktive stabilisierung von laser-resonatoren
US5852626A (en) * 1997-07-31 1998-12-22 Coherent, Inc. Geometry for cylindrical shaped laser system gain medium
US6483073B2 (en) * 2000-02-18 2002-11-19 David Benderly Laser marking system and method
JPWO2002067390A1 (ja) * 2001-02-22 2004-06-24 三菱電機株式会社 レーザ装置
CN100422780C (zh) * 2002-09-27 2008-10-01 皇家飞利浦电子股份有限公司 光学元件、制造这种光学元件的方法、以及对齐光束与这种光学元件的方法
KR100703472B1 (ko) * 2006-01-26 2007-04-03 삼성에스디아이 주식회사 프릿 경화 장치 및 이를 이용한 경화 방법
CN104280210A (zh) * 2013-07-09 2015-01-14 上海和辉光电有限公司 激光源的质量检测装置及其质量检测方法
CN112352358B (zh) * 2018-05-15 2024-12-03 松下知识产权经营株式会社 激光装置和使用了该激光装置的激光加工装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR64476E (fr) * 1953-07-16 1955-11-10 Marteau-mécanique actionné par moteur électrique
DE1186149B (de) * 1963-01-07 1965-01-28 Siemens Ag Optischer Sender oder Verstaerker mit gasfoermigem, selektiv fluoreszentem Medium
US3603688A (en) * 1967-11-08 1971-09-07 Perkin Elmer Corp Alignment apparatus
US3579140A (en) * 1967-12-05 1971-05-18 Perkin Elmer Corp Laser
DE1912290A1 (de) * 1969-03-11 1970-09-24 Siemens Ag Vorrichtung zur Kontrolle und Nachstellung der Justierung des Auskoppelspiegels eines Gas-Lasers
DE1950943C3 (de) * 1969-10-09 1975-01-16 Siemens Ag, 1000 Berlin Und 8000 Muenchen Intensitätsstabilisierte Gaslaseranordnung
US3699474A (en) * 1971-11-20 1972-10-17 Atomic Energy Commission Multiple beam laser system
US3904983A (en) * 1973-04-16 1975-09-09 Gte Sylvania Inc Parasitic mode suppressor for high power lasers
US4010363A (en) * 1975-10-31 1977-03-01 Rca Corporation Laser alignment system
JPS54141772A (en) * 1978-03-27 1979-11-05 Kiyoshi Nakashima Novel allantoin derivative
JPS55141772A (en) * 1979-04-23 1980-11-05 Agency Of Ind Science & Technol Laser device
JPS5641088A (en) * 1979-09-12 1981-04-17 Hitachi Ltd Monitoring device for laser light axis
US4330705A (en) * 1980-01-15 1982-05-18 Ball Corporation Optical tracking device using interlaced images
JPS56116452A (en) * 1980-02-15 1981-09-12 Asahi Optical Co Ltd Laser output meter for laser knife
EP0064476A1 (fr) * 1981-04-10 1982-11-10 Asulab S.A. Dispositif de stabilisation d'émission d'un résonateur laser selon un mode d'émission déterminé
US4393303A (en) * 1981-05-04 1983-07-12 United Technologies Corporation Intracavity phase front and power control
JPS5889889A (ja) * 1981-11-24 1983-05-28 Olympus Optical Co Ltd レ−ザ出力可変装置

Also Published As

Publication number Publication date
US4914671A (en) 1990-04-03
DE3415009A1 (de) 1984-10-25
FR2544922B1 (fr) 1989-04-14
FR2544922A1 (fr) 1984-10-26

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Legal Events

Date Code Title Description
OR8 Request for search as to paragraph 43 lit. 1 sentence 1 patent law
8105 Search report available
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee