FI871929A - Interferometrisk maetanordning med gemensam optisk bana. - Google Patents
Interferometrisk maetanordning med gemensam optisk bana. Download PDFInfo
- Publication number
- FI871929A FI871929A FI871929A FI871929A FI871929A FI 871929 A FI871929 A FI 871929A FI 871929 A FI871929 A FI 871929A FI 871929 A FI871929 A FI 871929A FI 871929 A FI871929 A FI 871929A
- Authority
- FI
- Finland
- Prior art keywords
- optical
- beams
- measurement
- interferometric
- bem
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title abstract 9
- 238000012423 maintenance Methods 0.000 title 1
- 238000005259 measurement Methods 0.000 abstract 4
- 230000001427 coherent effect Effects 0.000 abstract 1
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
- G01B9/02055—Reduction or prevention of errors; Testing; Calibration
- G01B9/02062—Active error reduction, i.e. varying with time
- G01B9/02064—Active error reduction, i.e. varying with time by particular adjustment of coherence gate, i.e. adjusting position of zero path difference in low coherence interferometry
- G01B9/02065—Active error reduction, i.e. varying with time by particular adjustment of coherence gate, i.e. adjusting position of zero path difference in low coherence interferometry using a second interferometer before or after measuring interferometer
-
- 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
- G01B9/02056—Passive reduction of errors
- G01B9/02057—Passive reduction of errors by using common path configuration, i.e. reference and object path almost entirely overlapping
-
- 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
- G01B9/0209—Low-coherence interferometers
-
- 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
- G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
- G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
-
- 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
- G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
- G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
- G01J2009/0226—Fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Measuring Cells (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77210685 | 1985-09-03 | ||
US06/772,106 US4627731A (en) | 1985-09-03 | 1985-09-03 | Common optical path interferometric gauge |
US8601798 | 1986-09-02 | ||
PCT/US1986/001798 WO1987001438A1 (en) | 1985-09-03 | 1986-09-02 | A common optical path interferometric gauge |
Publications (4)
Publication Number | Publication Date |
---|---|
FI871929A true FI871929A (fi) | 1987-04-30 |
FI871929A0 FI871929A0 (fi) | 1987-04-30 |
FI89307B FI89307B (fi) | 1993-05-31 |
FI89307C FI89307C (fi) | 1993-09-10 |
Family
ID=25093939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI871929A FI89307C (fi) | 1985-09-03 | 1987-04-30 | Interferometrisk maetanordning med gemensam optisk bana |
Country Status (7)
Country | Link |
---|---|
US (1) | US4627731A (fi) |
EP (1) | EP0241512B1 (fi) |
JP (1) | JPH0652164B2 (fi) |
AT (1) | ATE74425T1 (fi) |
DE (1) | DE3684703D1 (fi) |
FI (1) | FI89307C (fi) |
WO (1) | WO1987001438A1 (fi) |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4714346A (en) * | 1986-09-22 | 1987-12-22 | Gte Laboratories Incorporated | Frequency chirped interferometric displacement sensors and mechanical translation tips therefor |
FR2613065B1 (fr) * | 1987-03-24 | 1991-07-26 | Electricite De France | Interferometre de michelson a fibres optiques et son application notamment a la mesure des temperatures |
US4784489A (en) * | 1987-04-29 | 1988-11-15 | Hewlett-Packard Company | Fiber-optic based remote receiver for laser interferometer systems |
US4902888A (en) * | 1987-12-15 | 1990-02-20 | Brother Kogyo Kabushiki Kaisha | Optical fiber sensor |
US4892406A (en) * | 1988-01-11 | 1990-01-09 | United Technologies Corporation | Method of and arrangement for measuring vibrations |
US4969736A (en) * | 1988-06-17 | 1990-11-13 | Slotwinski Anthony R | Integrated fiber optic coupled proximity sensor for robotic end effectors and tools |
FR2634080B1 (fr) * | 1988-07-08 | 1991-04-19 | Thomson Csf | Dispositif de lecture par coherence de capteur optique |
US4940328A (en) * | 1988-11-04 | 1990-07-10 | Georgia Tech Research Corporation | Optical sensing apparatus and method |
DE3841742A1 (de) * | 1988-12-10 | 1990-06-13 | Hueser Teuchert Dorothee | Koordinatenmesstaster mit absolutinterferometrischem beruehrungslosem messprinzip |
US4938596A (en) * | 1989-01-05 | 1990-07-03 | The University Of Rochester | Phase conjugate, common path interferometer |
AT396179B (de) * | 1989-06-07 | 1993-06-25 | Tabarelli Werner | Interferometeranordnung |
GB8926574D0 (en) * | 1989-11-24 | 1990-01-17 | Renishaw Plc | Laser interferometer |
AT397307B (de) * | 1990-03-02 | 1994-03-25 | Tabarelli Werner | Interferometer insbesondere zur längenmessung |
CA2013406C (en) * | 1990-03-29 | 1998-06-16 | Rene Heon | Optical detection of a surface motion of an object |
CA2090682A1 (en) * | 1990-08-31 | 1992-03-01 | Timothy Peter Dabbs | Interference microscope |
IT1244170B (it) * | 1990-12-04 | 1994-07-08 | Cise Spa | Apparecchiatura laser per la misura della velocita' di un fluido. |
US5153669A (en) * | 1991-03-27 | 1992-10-06 | Hughes Danbury Optical Systems, Inc. | Three wavelength optical measurement apparatus and method |
US5159408A (en) * | 1991-03-27 | 1992-10-27 | Hughes Danbury Optical Systems, Inc. | Optical thickness profiler using synthetic wavelengths |
US5381229A (en) * | 1991-03-29 | 1995-01-10 | Center For Innovative Technology | Sapphire optical fiber interferometer |
EP0581871B2 (en) * | 1991-04-29 | 2009-08-12 | Massachusetts Institute Of Technology | Apparatus for optical imaging and measurement |
US5402230A (en) * | 1991-12-16 | 1995-03-28 | Tsinghua University | Heterodyne interferometric optical fiber displacement sensor for measuring displacement of an object |
WO1993020475A1 (en) * | 1992-04-03 | 1993-10-14 | Australian And Overseas Telecommunications Corporation Limited | Improvements to optical phase shifting |
US5323229A (en) * | 1992-08-31 | 1994-06-21 | Science Applications International Corporation | Measurement system using optical coherence shifting interferometry |
FR2699270A1 (fr) * | 1992-12-10 | 1994-06-17 | Merlin Gerin | Capteur optique intégré pour la détection de la variation de chemin optique d'un faisceau lumineux. |
JP3234353B2 (ja) * | 1993-06-15 | 2001-12-04 | 富士写真フイルム株式会社 | 断層情報読取装置 |
BE1007876A4 (nl) * | 1993-12-17 | 1995-11-07 | Philips Electronics Nv | Stralingsbron-eenheid voor het opwekken van een bundel met twee polarisatierichtingen en twee frequenties. |
US5600440A (en) * | 1995-07-05 | 1997-02-04 | The United States Of America As Represented By The Secretary Of The Navy | Liquid crystal interferometer |
US6552803B1 (en) | 1998-02-24 | 2003-04-22 | Kla-Tencor Corporation | Detection of film thickness through induced acoustic pulse-echos |
DE19819762A1 (de) | 1998-05-04 | 1999-11-25 | Bosch Gmbh Robert | Interferometrische Meßeinrichtung |
US6369888B1 (en) * | 1999-11-17 | 2002-04-09 | Applied Materials, Inc. | Method and apparatus for article inspection including speckle reduction |
JP4478302B2 (ja) * | 2000-06-30 | 2010-06-09 | キヤノン株式会社 | 干渉装置及びそれを搭載した半導体露光装置 |
DE10057540A1 (de) † | 2000-11-20 | 2002-06-06 | Bosch Gmbh Robert | Interferometrische Messvorrichtung |
US6985219B2 (en) * | 2000-12-21 | 2006-01-10 | Credence Systems Corporation | Optical coupling for testing integrated circuits |
US6873419B2 (en) * | 2001-11-16 | 2005-03-29 | National Research Council Of Canada | Method and apparatus for three-dimensional compositional mapping of heterogeneous materials |
DE10246798B3 (de) * | 2002-10-08 | 2004-06-09 | Robert Bosch Gmbh | Interferometrische Messeinrichtung |
DE10351319B4 (de) * | 2003-10-31 | 2005-10-20 | Med Laserzentrum Luebeck Gmbh | Interferometer für die optische Kohärenztomographie |
DE10360078A1 (de) * | 2003-12-20 | 2005-07-21 | Robert Bosch Gmbh | Optische Messvorrichtung |
US7502121B1 (en) * | 2004-11-24 | 2009-03-10 | Ahbee 1, L.P. | Temperature insensitive low coherence based optical metrology for nondestructive characterization of physical characteristics of materials |
US7319514B2 (en) * | 2004-12-23 | 2008-01-15 | Baker Hughes Incorporated | Optical inclination sensor |
DE102005009482B3 (de) * | 2005-02-23 | 2006-06-14 | V&M Deutschland Gmbh | Verfahren und Vorrichtung zur Überwachung des Fertigungsprozesses zur Herstellung von warmgefertigten Rohren aus Stahl |
EP2461131B1 (en) * | 2005-03-17 | 2017-08-09 | The Board of Trustees of The Leland Stanford Junior University | Apparatus and method for frequency-domain optical coherence tomography |
US7643952B2 (en) | 2005-04-05 | 2010-01-05 | The Board Of Trustees Of The Leland Stanford Junior University | Optical image processing using minimum phase functions |
US7379191B2 (en) * | 2005-05-20 | 2008-05-27 | The Boeing Company | Optical MEMS wavefront diagnostic transceivers and receiver |
DE102007018817A1 (de) * | 2007-04-20 | 2008-10-23 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Druckmessung |
DE102007022217A1 (de) * | 2007-05-11 | 2008-11-13 | Robert Bosch Gmbh | Interferometrische Messeinrichtung |
EP2037214A1 (de) * | 2007-09-14 | 2009-03-18 | Leica Geosystems AG | Verfahren und Messgerät zum vermessen von Oberflächen |
JP5752040B2 (ja) * | 2008-09-11 | 2015-07-22 | ニコン・メトロロジー・エヌヴェ | 対チャープfmcwコヒーレントレーザレーダー用の小型の光ファイバ配置 |
DE102009027266A1 (de) * | 2009-06-29 | 2010-12-30 | Robert Bosch Gmbh | Interferometrische Weg- und/oder Drehmessvorrichtung |
FR2959305B1 (fr) * | 2010-04-26 | 2014-09-05 | Nanotec Solution | Dispositif optique et procede d'inspection d'objets structures. |
EP2541193A1 (de) | 2011-06-27 | 2013-01-02 | Hexagon Technology Center GmbH | Interferometrisches Entfernungsmessverfahren zum Vermessen von Oberflächen und ebensolche Messanordnung |
WO2018031462A1 (en) * | 2016-08-12 | 2018-02-15 | Canon U.S.A. Inc. | Coherence range imaging using common path interference |
US10660523B2 (en) * | 2017-07-07 | 2020-05-26 | Hideo Ando | Light-source unit, measurement apparatus, near-infrared microscopic apparatus, optical detection method, imaging method, calculation method, functional bio-related substance, state management method, and manufacturing method |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3877813A (en) * | 1972-08-21 | 1975-04-15 | Rockwell International Corp | Self-compensating interferometer |
US3812496A (en) * | 1972-08-22 | 1974-05-21 | Trw Inc | Optical signal recording system |
US4013366A (en) * | 1973-05-23 | 1977-03-22 | Office National D'etudes Et De Recherches Aerospatiales (O.N.E.R.A.) | Method and apparatus for investigation of small displacements of a solid body by means of coherent light |
US4410244A (en) * | 1977-12-23 | 1983-10-18 | Randwal Instrument Co., Inc. | Retinal acuity testing device |
JPS5621004A (en) * | 1979-07-30 | 1981-02-27 | Toshiba Corp | Optical sensing system |
DE3044183A1 (de) * | 1980-11-24 | 1982-06-24 | Reinhard Dipl.-Phys. Dr. 7250 Leonberg Ulrich | Verfahren zur optischen messung von laengen und laengenaenderungen und anordnung zur durchfuehrung des verfahrens |
US4352565A (en) * | 1981-01-12 | 1982-10-05 | Rowe James M | Speckle pattern interferometer |
EP0079945A1 (en) * | 1981-05-26 | 1983-06-01 | Gould Inc. | Fiber optic interferometer |
-
1985
- 1985-09-03 US US06/772,106 patent/US4627731A/en not_active Expired - Fee Related
-
1986
- 1986-09-02 DE DE8686906044T patent/DE3684703D1/de not_active Expired - Fee Related
- 1986-09-02 WO PCT/US1986/001798 patent/WO1987001438A1/en active IP Right Grant
- 1986-09-02 JP JP61505020A patent/JPH0652164B2/ja not_active Expired - Lifetime
- 1986-09-02 EP EP86906044A patent/EP0241512B1/en not_active Expired
- 1986-09-02 AT AT86906044T patent/ATE74425T1/de not_active IP Right Cessation
-
1987
- 1987-04-30 FI FI871929A patent/FI89307C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4627731A (en) | 1986-12-09 |
WO1987001438A1 (en) | 1987-03-12 |
JPS63500744A (ja) | 1988-03-17 |
ATE74425T1 (de) | 1992-04-15 |
DE3684703D1 (de) | 1992-05-07 |
EP0241512B1 (en) | 1992-04-01 |
FI89307C (fi) | 1993-09-10 |
EP0241512A1 (en) | 1987-10-21 |
JPH0652164B2 (ja) | 1994-07-06 |
FI89307B (fi) | 1993-05-31 |
EP0241512A4 (en) | 1990-11-28 |
FI871929A0 (fi) | 1987-04-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI871929A (fi) | Interferometrisk maetanordning med gemensam optisk bana. | |
SE8400121D0 (sv) | Robotmanipulatorarm | |
FI890120A (fi) | Menetelmä ja laite värähtelyn mittaamista varten | |
GB9320500D0 (en) | Interferometric distance measuring apparatus | |
SE8006065L (sv) | Uppteckningsberare innehallande information i en optiskt lesbar informationsstruktur samt apparat for avlesning av beraren | |
FR2347914A1 (fr) | Interferometre a laser de mesure de l'acuite visuelle | |
NO882062D0 (no) | Fremgangsmaate og anordning for avstandsmaaling mellom to relativt bevegende flater. | |
IT1088214B (it) | Procedimento per aumentare l'illuminamento prodotto da un fascio laser | |
BR8107213A (pt) | Junta vedada desmontavel e processo para a conexao hermetica de um membro em folha a um suporte | |
IT7968224A0 (it) | Dispositivo di misura della funzione di coerenza mutua di un fascio laser | |
DE68922135D1 (de) | Laser Interferometer mit optischer Rückkopplungsisolation. | |
IT1120976B (it) | Derivati otticamente attivi della ossazafosforina e procedimento per la loro preparazione | |
IT1130528B (it) | Metodo ed apparecchiatura per determinare la velocita della luce in varie condizioni ambientali in combinazione con un interferometro | |
IT1165207B (it) | Procedimento per la preparazione di derivati della 5 alogeno 6 9 alfa-ossido prostaglandina | |
JPS5581198A (en) | Method of finishing surface of seal engraved by laser beam | |
JPS52151025A (en) | Method of recording image with laser beam | |
JPS5533679A (en) | Measuring method of distance | |
IT8867219A0 (it) | Dispositivo di misura tramite interferometria laser | |
JPS5391759A (en) | Optics to obtain equal direction spot from various direction light beam | |
BR8208081A (pt) | "interferometro com compensacao de efeito kerr" | |
TOBOADA | Method and apparatus for generating a structured light beam array[Patent Application] | |
IT1115140B (it) | Congegno per la misurazione dei raggi di lenti a contatto morbide | |
SU688821A1 (ru) | Интерферометр типа майкельсона | |
DK251780A (da) | Fremgangsmaade til fremstilling af 1,3-dibrom-2,2-dimethyl-propan-1,3-dicarboxylsyre-derivater samt som mellemprodukter anvendelige 1,3-dibrom-2,2-dimethyl-propan-1,3-dicarboxylsyredichlorider og chlorid-estere | |
BR8208100A (pt) | Interferometro com compensacao de efeito kerr |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application | ||
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: UNITED TECHNOLOGIES CORPORATION |