FR2384233B1 - - Google Patents
Info
- Publication number
- FR2384233B1 FR2384233B1 FR7807370A FR7807370A FR2384233B1 FR 2384233 B1 FR2384233 B1 FR 2384233B1 FR 7807370 A FR7807370 A FR 7807370A FR 7807370 A FR7807370 A FR 7807370A FR 2384233 B1 FR2384233 B1 FR 2384233B1
- Authority
- FR
- France
- Prior art keywords
- screen
- patterns
- light
- derived
- intensities
- 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
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
- G01B11/2441—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using interferometry
-
- 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
- G01B9/02094—Speckle interferometers, i.e. for detecting changes in speckle pattern
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB10884/77A GB1593284A (en) | 1977-03-15 | 1977-03-15 | Optical inspection |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2384233A1 FR2384233A1 (fr) | 1978-10-13 |
FR2384233B1 true FR2384233B1 (fr) | 1985-05-17 |
Family
ID=9976097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7807370A Expired FR2384233B1 (fr) | 1977-03-15 | 1978-03-14 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4191476A (fr) |
DE (1) | DE2811288A1 (fr) |
FR (1) | FR2384233B1 (fr) |
GB (1) | GB1593284A (fr) |
IT (1) | IT1107257B (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4352565A (en) * | 1981-01-12 | 1982-10-05 | Rowe James M | Speckle pattern interferometer |
GB2128734B (en) * | 1982-10-08 | 1986-02-19 | Nat Res Dev | Irradiative probe system |
US4657394A (en) * | 1984-09-14 | 1987-04-14 | New York Institute Of Technology | Apparatus and method for obtaining three dimensional surface contours |
US4641972A (en) * | 1984-09-14 | 1987-02-10 | New York Institute Of Technology | Method and apparatus for surface profilometry |
GB8522820D0 (en) * | 1985-09-16 | 1985-10-23 | Montgomery P C | Interferometric measurement |
US4818110A (en) * | 1986-05-06 | 1989-04-04 | Kla Instruments Corporation | Method and apparatus of using a two beam interference microscope for inspection of integrated circuits and the like |
GB8613635D0 (en) * | 1986-06-05 | 1986-07-09 | Tyrer J R | Optical inspection |
DE3621631A1 (de) * | 1986-06-27 | 1988-01-14 | Hirschmann Geraetebau Gmbh & C | Geraet zur abbildung eines objektes auf einem elektrooptischen wandler |
US4913547A (en) * | 1988-01-29 | 1990-04-03 | Moran Steven E | Optically phased-locked speckle pattern interferometer |
DE4108062A1 (de) * | 1991-03-13 | 1992-09-17 | Man Technologie Gmbh | Vorrichtung zur interferometrischen messung von objekten |
US5671042A (en) * | 1992-02-18 | 1997-09-23 | Illinois Institute Of Technology | Holomoire strain analyzer |
DE19513233C2 (de) * | 1995-04-07 | 2001-01-04 | Andreas Ettemeyer | Verfahren und Vorrichtung zur Bestimmung von Phasen und Phasendifferenzen |
DE19513234C2 (de) * | 1995-04-07 | 2001-02-22 | Ettemeyer Andreas | Verfahren und Vorrichtung zur Bestimmung von Phasen und Phasendifferenzen |
FR2849245B1 (fr) * | 2002-12-20 | 2006-02-24 | Thales Sa | Procede d'authentification et d'identification optique d'objets et dispositif de mise en oeuvre |
US7397552B2 (en) | 2004-09-27 | 2008-07-08 | Applied Materials, Israel, Ltd. | Optical inspection with alternating configurations |
US8265375B2 (en) * | 2006-06-16 | 2012-09-11 | Shirley Lyle G | Method and apparatus for remote sensing of objects utilizing radiation speckle |
US8810800B2 (en) * | 2008-03-22 | 2014-08-19 | Lyle G. Shirley | Dimensional probe and methods of use |
EP2483698B1 (fr) * | 2009-09-28 | 2015-07-08 | Pentalum Technologies Ltd. | Procédés, dispositifs et systèmes de détection à distance du vent |
WO2012018568A2 (fr) | 2010-07-24 | 2012-02-09 | Focused Innovation, Inc. | Procédé et appareil d'imagerie |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT298830B (de) * | 1970-07-10 | 1972-05-25 | Eumig Elek Zitaet Und Metallwa | Holographisch-interferometrisches oder moirémetrisches Verfahren |
GB1392448A (en) * | 1971-06-22 | 1975-04-30 | Nat Res Dev | Optical indpection |
GB1382523A (en) * | 1972-03-15 | 1975-02-05 | Vockenhuber Karl | Holographic method and apparatus |
GB1460861A (en) * | 1974-03-05 | 1977-01-06 | Nat Res Dev | Interferrometers |
-
1977
- 1977-03-15 GB GB10884/77A patent/GB1593284A/en not_active Expired
-
1978
- 1978-03-13 US US05/886,130 patent/US4191476A/en not_active Expired - Lifetime
- 1978-03-14 IT IT67556/78A patent/IT1107257B/it active
- 1978-03-14 FR FR7807370A patent/FR2384233B1/fr not_active Expired
- 1978-03-15 DE DE19782811288 patent/DE2811288A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2811288A1 (de) | 1978-10-19 |
US4191476A (en) | 1980-03-04 |
GB1593284A (en) | 1981-07-15 |
IT7867556A0 (it) | 1978-03-14 |
FR2384233A1 (fr) | 1978-10-13 |
DE2811288C2 (fr) | 1990-10-31 |
IT1107257B (it) | 1985-11-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |