JPS6239365B2 - - Google Patents

Info

Publication number
JPS6239365B2
JPS6239365B2 JP12286679A JP12286679A JPS6239365B2 JP S6239365 B2 JPS6239365 B2 JP S6239365B2 JP 12286679 A JP12286679 A JP 12286679A JP 12286679 A JP12286679 A JP 12286679A JP S6239365 B2 JPS6239365 B2 JP S6239365B2
Authority
JP
Japan
Prior art keywords
laser beam
grating
beam diameter
scanning
measured
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
JP12286679A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5646433A (en
Inventor
Keiichi Kubota
Shigeto Sugama
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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP12286679A priority Critical patent/JPS5646433A/ja
Publication of JPS5646433A publication Critical patent/JPS5646433A/ja
Publication of JPS6239365B2 publication Critical patent/JPS6239365B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4257—Photometry, e.g. photographic exposure meter using electric radiation detectors applied to monitoring the characteristics of a beam, e.g. laser beam, headlamp beam

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP12286679A 1979-09-25 1979-09-25 Measuring device of laser beam diameter Granted JPS5646433A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12286679A JPS5646433A (en) 1979-09-25 1979-09-25 Measuring device of laser beam diameter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12286679A JPS5646433A (en) 1979-09-25 1979-09-25 Measuring device of laser beam diameter

Publications (2)

Publication Number Publication Date
JPS5646433A JPS5646433A (en) 1981-04-27
JPS6239365B2 true JPS6239365B2 (de) 1987-08-22

Family

ID=14846565

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12286679A Granted JPS5646433A (en) 1979-09-25 1979-09-25 Measuring device of laser beam diameter

Country Status (1)

Country Link
JP (1) JPS5646433A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58142229A (ja) * 1982-02-19 1983-08-24 Hitachi Ltd レ−ザビ−ムの測定方法
JPS6319134A (ja) * 1986-07-11 1988-01-26 工業技術院長 神経あるいは被刺激性組織の刺激装置
GB8621418D0 (en) * 1986-09-05 1986-10-15 Sira Ltd Inspection apparatus
JPH0657261B2 (ja) * 1988-05-16 1994-08-03 東京電気株式会社 低周波治療器
US5499094A (en) * 1994-12-21 1996-03-12 Eastman Kodak Company Apparatus and method for measuring the length and width of a spot of light utilizing two different masks
US5587786A (en) * 1995-02-23 1996-12-24 Universite Laval Apparatus for measuring a beam width D.sub.σx along a transverse direction of a laser beam and method thereof
EP3364924B1 (de) 2015-10-21 2021-06-16 AMO Development, LLC Laserstrahlkalibrierung und strahlqualitätsmessung in laserchirurgiesystemen

Also Published As

Publication number Publication date
JPS5646433A (en) 1981-04-27

Similar Documents

Publication Publication Date Title
US3885875A (en) Noncontact surface profilometer
US4473750A (en) Three-dimensional shape measuring device
US3822946A (en) Dimensional measuring apparatus using optical scan especially for hardness testing
JPS6127682B2 (de)
US3858983A (en) Shaped product measurement
US5090811A (en) Optical radius gauge
US4775236A (en) Laser based roundness and diameter gaging system and method of using same
JPS63278020A (ja) レーザビームスキャナ
JP2014197185A (ja) 光学検査装置及び光学検査システム
JPS6239365B2 (de)
EP0222907A1 (de) Auf laser basiertes messystem und dessen verwendungsverfahren
CN112432766A (zh) 一种激光扫描振镜性能检测方法
CN110186654B (zh) 一种纵向分辨率测试装置
JP3162364B2 (ja) 光センサ装置
JPS59155825A (ja) 走査装置
CN112432765A (zh) 一种激光扫描振镜性能检测装置
Cohen et al. Dynamic measurement of optical fiber diameter
JP2001343281A (ja) 光ビーム形状計測装置
JP2940962B2 (ja) ポリゴンスキャナのジッタ計測装置
Hao et al. Application of laser diode fiber alignment in measuring large-scale perpendicularity and parallelism
KR19990051522A (ko) 원통렌즈와 레이저 스캐너를 이용한 3차원 측정장치
JP3381888B2 (ja) 光学素子等の特性測定方法及びその装置
Islam et al. A THz triangulation and imaging system and its applications
GB2276445A (en) Detecting faults on a flat, reflective, moving surface
JPS5920650Y2 (ja) レ−ザ・ビ−ムのビ−ム径の測定装置