DE69011289D1 - Laserinterferometer. - Google Patents
Laserinterferometer.Info
- Publication number
- DE69011289D1 DE69011289D1 DE69011289T DE69011289T DE69011289D1 DE 69011289 D1 DE69011289 D1 DE 69011289D1 DE 69011289 T DE69011289 T DE 69011289T DE 69011289 T DE69011289 T DE 69011289T DE 69011289 D1 DE69011289 D1 DE 69011289D1
- Authority
- DE
- Germany
- Prior art keywords
- laser interferometer
- interferometer
- laser
- 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 - Fee Related
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
- 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
- G01B9/02055—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
-
- 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)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Optics & Photonics (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898926574A GB8926574D0 (en) | 1989-11-24 | 1989-11-24 | Laser interferometer |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69011289D1 true DE69011289D1 (de) | 1994-09-08 |
DE69011289T2 DE69011289T2 (de) | 1994-11-24 |
Family
ID=10666841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69011289T Expired - Fee Related DE69011289T2 (de) | 1989-11-24 | 1990-11-20 | Laserinterferometer. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5274436A (de) |
EP (2) | EP0606677A2 (de) |
JP (1) | JPH03180704A (de) |
DE (1) | DE69011289T2 (de) |
GB (1) | GB8926574D0 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5414509A (en) * | 1993-03-08 | 1995-05-09 | Associated Universities, Inc. | Optical pressure/density measuring means |
DE19515365C2 (de) * | 1995-05-02 | 1997-11-20 | Deutsche Forsch Luft Raumfahrt | Faseroptische Lichtschranke |
DE19528676C2 (de) * | 1995-08-04 | 1997-05-22 | Zeiss Carl Jena Gmbh | Interferometeranordnung zur absoluten Distanzmessung |
US5724136A (en) * | 1996-10-15 | 1998-03-03 | Zygo Corporation | Interferometric apparatus for measuring motions of a stage relative to fixed reflectors |
US6483593B1 (en) | 1999-08-10 | 2002-11-19 | The Boeing Company | Hetrodyne interferometer and associated interferometric method |
NL1014807C2 (nl) * | 2000-03-31 | 2001-10-04 | Univ Eindhoven Tech | Heterodyne laser interferometer met fiber. |
US6509971B2 (en) * | 2001-05-09 | 2003-01-21 | Nikon Corporation | Interferometer system |
US6678447B1 (en) * | 2001-07-03 | 2004-01-13 | Valyn International | Adjustable multi-beam splitter and fiber coupler |
US20030035112A1 (en) * | 2001-08-20 | 2003-02-20 | Nevis Elizabeth A. | Birefringent beam combiners for polarized beams in interferometers |
KR100468155B1 (ko) * | 2002-06-27 | 2005-01-26 | 한국과학기술원 | 이종모드 헬륨-네온 레이저와 슈퍼 헤테로다인위상측정법을 이용한 헤테로다인 레이저 간섭계 |
US7359057B2 (en) | 2005-08-26 | 2008-04-15 | Ball Aerospace & Technologies Corp. | Method and apparatus for measuring small shifts in optical wavelengths |
CN103499385B (zh) * | 2013-09-25 | 2016-04-13 | 北京理工大学 | 一种高精度双频同时测量激光外差干涉相位测振光路 |
CN104133207B (zh) * | 2014-08-28 | 2016-10-12 | 哈尔滨工业大学 | 可溯源超外差式精测尺混合激光器测距装置与方法 |
CN104655159B (zh) * | 2015-02-10 | 2017-05-24 | 深圳大学 | 一种正交偏振激光器的传感器 |
CN104964641B (zh) * | 2015-06-29 | 2017-10-10 | 成都信息工程大学 | 一种磁性微位移平台式级联阶梯角反射镜激光干涉仪及标定方法和测量方法 |
CN113280729A (zh) * | 2021-05-26 | 2021-08-20 | 桂林电子科技大学 | 一种双频激光干涉测量信号解调的前处理装置和方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191309067A (en) * | 1913-04-17 | 1914-01-08 | Courtaulds Ltd | Improvements in Apparatus for Bleaching, Dyeing, Washing, or otherwise Treating with Liquid, Hanks of Thread, Yarn, Silk, or other Fibrous Material. |
US3881823A (en) * | 1967-06-02 | 1975-05-06 | Philips Corp | Apparatus for measuring the variation of an optical path length with the aid of an interferometer |
US3534292A (en) * | 1967-08-02 | 1970-10-13 | Hewlett Packard Co | Frequency stabilized laser system |
US4278352A (en) * | 1979-10-24 | 1981-07-14 | The Boeing Company | Support system for extensible bellows |
US4767210A (en) * | 1983-02-24 | 1988-08-30 | British Telecommunications Plc | Optical fibre interferometer |
CH659131A5 (it) * | 1983-07-28 | 1986-12-31 | Cise Spa | Rivelatore di tipo interferometrico con sensore a fibra ottica. |
US4688940A (en) * | 1985-03-12 | 1987-08-25 | Zygo Corporation | Heterodyne interferometer system |
IT1184100B (it) * | 1985-04-23 | 1987-10-22 | Cselt Centro Studi Lab Telecom | Ellissometro interferometrico statico |
US4627731A (en) * | 1985-09-03 | 1986-12-09 | United Technologies Corporation | Common optical path interferometric gauge |
US4902888A (en) * | 1987-12-15 | 1990-02-20 | Brother Kogyo Kabushiki Kaisha | Optical fiber sensor |
-
1989
- 1989-11-24 GB GB898926574A patent/GB8926574D0/en active Pending
-
1990
- 1990-11-16 US US07/614,159 patent/US5274436A/en not_active Expired - Lifetime
- 1990-11-20 EP EP93203575A patent/EP0606677A2/de not_active Withdrawn
- 1990-11-20 EP EP90312613A patent/EP0431792B1/de not_active Expired - Lifetime
- 1990-11-20 DE DE69011289T patent/DE69011289T2/de not_active Expired - Fee Related
- 1990-11-22 JP JP2315681A patent/JPH03180704A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH03180704A (ja) | 1991-08-06 |
EP0431792B1 (de) | 1994-08-03 |
GB8926574D0 (en) | 1990-01-17 |
US5274436A (en) | 1993-12-28 |
DE69011289T2 (de) | 1994-11-24 |
EP0431792A2 (de) | 1991-06-12 |
EP0431792A3 (en) | 1991-09-18 |
EP0606677A2 (de) | 1994-07-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |