FR2479974B1 - Dispositif de compensation pour interferometre a laser - Google Patents
Dispositif de compensation pour interferometre a laserInfo
- Publication number
- FR2479974B1 FR2479974B1 FR8106804A FR8106804A FR2479974B1 FR 2479974 B1 FR2479974 B1 FR 2479974B1 FR 8106804 A FR8106804 A FR 8106804A FR 8106804 A FR8106804 A FR 8106804A FR 2479974 B1 FR2479974 B1 FR 2479974B1
- Authority
- FR
- France
- Prior art keywords
- laser interferometer
- prism
- laser
- compensation device
- compensating device
- 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
- G01B9/02055—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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8002604A SE445778B (sv) | 1980-04-03 | 1980-04-03 | Kompensationsanordning vid en laserinterferometer |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2479974A1 FR2479974A1 (fr) | 1981-10-09 |
FR2479974B1 true FR2479974B1 (fr) | 1986-08-08 |
Family
ID=20340687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8106804A Expired FR2479974B1 (fr) | 1980-04-03 | 1981-04-03 | Dispositif de compensation pour interferometre a laser |
Country Status (5)
Country | Link |
---|---|
US (1) | US4385835A (fr) |
JP (1) | JPS5710403A (fr) |
FR (1) | FR2479974B1 (fr) |
GB (1) | GB2073414B (fr) |
SE (1) | SE445778B (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2558598B1 (fr) * | 1984-01-20 | 1986-06-20 | Commissariat Energie Atomique | Interferometre de vitesse a sensibilite continument variable |
JPS60253945A (ja) * | 1984-05-31 | 1985-12-14 | Matsushita Electric Ind Co Ltd | 形状測定装置 |
US4884697A (en) * | 1988-06-21 | 1989-12-05 | Takacs Peter Z | Surface profiling interferometer |
US5239366A (en) * | 1992-02-12 | 1993-08-24 | Huges Aircraft Company | Compact laser probe for profilometry |
JP4032841B2 (ja) * | 2002-06-21 | 2008-01-16 | 株式会社島津製作所 | 二光束干渉計の固定鏡調整方法 |
DE102005046605A1 (de) * | 2005-09-29 | 2007-04-05 | Robert Bosch Gmbh | Interferometrische Messeinrichtung |
DE102006001732A1 (de) * | 2006-01-13 | 2007-07-19 | Robert Bosch Gmbh | Interferometrische Messvorrichtung |
US20100020331A1 (en) * | 2008-07-25 | 2010-01-28 | Micronic Laser Systems Ab | Laser interferometer systems and methods with suppressed error and pattern generators having the same |
JP6953673B2 (ja) * | 2016-08-18 | 2021-10-27 | 日本電気株式会社 | 光測定装置および光軸調整方法 |
WO2019098005A1 (fr) * | 2017-11-16 | 2019-05-23 | 日本電気株式会社 | Dispositif de mesure optique et procédé de mesure optique |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3520613A (en) * | 1966-11-14 | 1970-07-14 | Optomechanisms Inc | Interferometer with environmental correction computer |
US3809481A (en) * | 1972-12-01 | 1974-05-07 | Nasa | Single reflector interference spectrometer and drive system therefor |
US4053231A (en) * | 1975-12-18 | 1977-10-11 | Nasa | Interferometer mirror tilt correcting system |
-
1980
- 1980-04-03 SE SE8002604A patent/SE445778B/sv not_active IP Right Cessation
-
1981
- 1981-03-27 US US06/248,448 patent/US4385835A/en not_active Expired - Fee Related
- 1981-03-31 GB GB8109954A patent/GB2073414B/en not_active Expired
- 1981-04-03 FR FR8106804A patent/FR2479974B1/fr not_active Expired
- 1981-04-03 JP JP5043681A patent/JPS5710403A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2479974A1 (fr) | 1981-10-09 |
JPS5710403A (en) | 1982-01-20 |
GB2073414A (en) | 1981-10-14 |
US4385835A (en) | 1983-05-31 |
GB2073414B (en) | 1984-02-15 |
SE8002604L (sv) | 1981-10-04 |
SE445778B (sv) | 1986-07-14 |
JPH0216442B2 (fr) | 1990-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |