JPS629211A - 光学測定装置 - Google Patents

光学測定装置

Info

Publication number
JPS629211A
JPS629211A JP60148715A JP14871585A JPS629211A JP S629211 A JPS629211 A JP S629211A JP 60148715 A JP60148715 A JP 60148715A JP 14871585 A JP14871585 A JP 14871585A JP S629211 A JPS629211 A JP S629211A
Authority
JP
Japan
Prior art keywords
reflected
light
beam splitter
lens
reflected light
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
JP60148715A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0455243B2 (en]
Inventor
Keiichi Yoshizumi
恵一 吉住
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP60148715A priority Critical patent/JPS629211A/ja
Priority to US06/881,283 priority patent/US4776699A/en
Priority to EP86109145A priority patent/EP0208276B1/en
Priority to DE8686109145T priority patent/DE3677649D1/de
Publication of JPS629211A publication Critical patent/JPS629211A/ja
Publication of JPH0455243B2 publication Critical patent/JPH0455243B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
    • G01B9/02007—Two or more frequencies or sources used for interferometric measurement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
    • G01B9/02002—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies
    • G01B9/02003—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies using beat frequencies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02041—Interferometers characterised by particular imaging or detection techniques
    • G01B9/02045—Interferometers characterised by particular imaging or detection techniques using the Doppler effect
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02055—Reduction or prevention of errors; Testing; Calibration
    • G01B9/02062—Active error reduction, i.e. varying with time
    • G01B9/02063—Active error reduction, i.e. varying with time by particular alignment of focus position, e.g. dynamic focussing in optical coherence tomography
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02055—Reduction or prevention of errors; Testing; Calibration
    • G01B9/02062—Active error reduction, i.e. varying with time
    • G01B9/02067—Active error reduction, i.e. varying with time by electronic control systems, i.e. using feedback acting on optics or light
    • G01B9/02068—Auto-alignment of optical elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
    • G01B2290/70—Using polarization in the interferometer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP60148715A 1985-07-05 1985-07-05 光学測定装置 Granted JPS629211A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP60148715A JPS629211A (ja) 1985-07-05 1985-07-05 光学測定装置
US06/881,283 US4776699A (en) 1985-07-05 1986-07-02 Optical measuring device
EP86109145A EP0208276B1 (en) 1985-07-05 1986-07-04 Optical measuring device
DE8686109145T DE3677649D1 (de) 1985-07-05 1986-07-04 Optische messanordnung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60148715A JPS629211A (ja) 1985-07-05 1985-07-05 光学測定装置

Publications (2)

Publication Number Publication Date
JPS629211A true JPS629211A (ja) 1987-01-17
JPH0455243B2 JPH0455243B2 (en]) 1992-09-02

Family

ID=15458972

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60148715A Granted JPS629211A (ja) 1985-07-05 1985-07-05 光学測定装置

Country Status (4)

Country Link
US (1) US4776699A (en])
EP (1) EP0208276B1 (en])
JP (1) JPS629211A (en])
DE (1) DE3677649D1 (en])

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03255907A (ja) * 1990-03-07 1991-11-14 Matsushita Electric Ind Co Ltd 形状測定装置及び形状測定方法
US5283630A (en) * 1991-02-04 1994-02-01 Matsushita Electric Industrial Co., Ltd. Error correcting method for measuring object surface using three-dimension measuring apparatus

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0287005A (ja) * 1988-09-26 1990-03-27 Brother Ind Ltd 光ヘテロダイン干渉表面形状測定装置
US5042949A (en) * 1989-03-17 1991-08-27 Greenberg Jeffrey S Optical profiler for films and substrates
US5133602A (en) * 1991-04-08 1992-07-28 International Business Machines Corporation Particle path determination system
JPH05133712A (ja) * 1991-11-12 1993-05-28 Nikon Corp 表面位置測定装置
GB2301967B (en) * 1992-04-10 1997-08-13 Gec Marconi Avionics Holdings An optical remote object sensing apparatus
US5315604A (en) * 1993-01-28 1994-05-24 International Business Machines Corporation Optical structure for adjusting the peak power of a laser beam
JP3000819B2 (ja) * 1993-03-15 2000-01-17 松下電器産業株式会社 三次元測定用プローブ及び形状測定方法
GB9705105D0 (en) 1997-03-12 1997-04-30 Brown & Sharpe Limited Optical surface measurement apparatus and methods
US6008901A (en) * 1997-08-22 1999-12-28 Canon Kabushiki Kaisha Shape measuring heterodyne interferometer with multiplexed photodetector aaray or inclined probe head
US6611379B2 (en) 2001-01-25 2003-08-26 Brookhaven Science Associates Llc Beam splitter and method for generating equal optical path length beams
JP2002340538A (ja) * 2001-05-14 2002-11-27 Matsushita Electric Ind Co Ltd 薄板材の平坦度測定装置および方法
US7312924B2 (en) * 2005-09-01 2007-12-25 Richard G Trissel Polarizing multiplexer and methods for intra-oral scanning
CN110686618B (zh) * 2019-11-22 2020-09-15 北京理工大学 结合全反射角定位的非球面参数误差干涉测量方法及系统
FR3109627B1 (fr) * 2020-04-27 2022-10-14 Michelin & Cie Systeme de generation de signal representatif du profil d’une surface en mouvement par rapport au systeme
FR3109626B1 (fr) * 2020-04-27 2022-06-03 Michelin & Cie Procede d’obtention du profil d’une surface en mouvement par rapport au systeme

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5979104A (ja) * 1982-10-27 1984-05-08 Matsushita Electric Ind Co Ltd 光学装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3877788A (en) * 1973-03-30 1975-04-15 Itek Corp Method and apparatus for testing lenses
GB1472894A (en) * 1974-03-15 1977-05-11 Nat Res Dev Interferometric methods and apparatus for measuring distance to a surface
US3977789A (en) * 1975-04-07 1976-08-31 Zygo Corporation Scanning differential photoelectric autocollimator
DE2528209C3 (de) * 1975-06-25 1979-09-27 Siegfried Dipl.-Ing. Dr.- Ing. 8520 Erlangen Raith Optischer Feintaster
US4139304A (en) * 1977-02-10 1979-02-13 National Research Development Corporation Methods and apparatus for measuring variations in distance to a surface
US4148587A (en) * 1977-10-03 1979-04-10 The Boeing Company Laser gauge for measuring changes in the surface contour of a moving part
US4353650A (en) * 1980-06-16 1982-10-12 The United States Of America As Represented By The United States Department Of Energy Laser heterodyne surface profiler
GB2128734B (en) * 1982-10-08 1986-02-19 Nat Res Dev Irradiative probe system
DE3318678A1 (de) * 1983-05-21 1984-11-22 Adolf Friedrich Prof. Dr.-Phys. Fercher Verfahren und vorrichtung zur interferometrie rauher oberflaechen
US4611916A (en) * 1984-05-11 1986-09-16 Matsushita Electric Industrial Co., Ltd. Optical measuring apparatus
JPH104206A (ja) * 1996-01-29 1998-01-06 Matsushita Denchi Kogyo Kk 化合物半導体薄膜の形成法と同薄膜を用いた光電変換素子

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5979104A (ja) * 1982-10-27 1984-05-08 Matsushita Electric Ind Co Ltd 光学装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03255907A (ja) * 1990-03-07 1991-11-14 Matsushita Electric Ind Co Ltd 形状測定装置及び形状測定方法
US5283630A (en) * 1991-02-04 1994-02-01 Matsushita Electric Industrial Co., Ltd. Error correcting method for measuring object surface using three-dimension measuring apparatus

Also Published As

Publication number Publication date
JPH0455243B2 (en]) 1992-09-02
EP0208276A1 (en) 1987-01-14
EP0208276B1 (en) 1991-02-27
US4776699A (en) 1988-10-11
DE3677649D1 (de) 1991-04-04

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