DE60313479D1 - Vorrichtung zur messung einer optischen weglängenveränderung - Google Patents
Vorrichtung zur messung einer optischen weglängenveränderungInfo
- Publication number
- DE60313479D1 DE60313479D1 DE60313479T DE60313479T DE60313479D1 DE 60313479 D1 DE60313479 D1 DE 60313479D1 DE 60313479 T DE60313479 T DE 60313479T DE 60313479 T DE60313479 T DE 60313479T DE 60313479 D1 DE60313479 D1 DE 60313479D1
- Authority
- DE
- Germany
- Prior art keywords
- light
- path
- measuring
- length change
- way length
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 title abstract 2
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000000694 effects 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
- G01B9/02083—Interferometers characterised by particular signal processing and presentation
-
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
-
- 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
- G01B2290/45—Multiple detectors for detecting interferometer signals
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B2006/2865—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers couplers of the 3x3 type
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Automation & Control Theory (AREA)
- Signal Processing (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1021600A NL1021600C2 (nl) | 2002-10-08 | 2002-10-08 | Meten van een optisch weglengteverschil. |
NL1021600 | 2002-10-08 | ||
PCT/NL2003/000683 WO2004033987A1 (en) | 2002-10-08 | 2003-10-08 | Device for measuring an optical path length difference |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60313479D1 true DE60313479D1 (de) | 2007-06-06 |
DE60313479T2 DE60313479T2 (de) | 2008-01-03 |
Family
ID=32089840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60313479T Expired - Lifetime DE60313479T2 (de) | 2002-10-08 | 2003-10-08 | Vorrichtung zur messung einer optischen weglängenveränderung |
Country Status (7)
Country | Link |
---|---|
US (1) | US7369248B2 (de) |
EP (1) | EP1549904B1 (de) |
AT (1) | ATE360798T1 (de) |
AU (1) | AU2003272146A1 (de) |
DE (1) | DE60313479T2 (de) |
NL (1) | NL1021600C2 (de) |
WO (1) | WO2004033987A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7206069B2 (en) * | 2004-03-29 | 2007-04-17 | Lucent Technologies Inc. | Optical analyzers of polarization properties |
EP2236978B8 (de) | 2009-04-01 | 2013-12-04 | Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO | Optische Messvorrichtung und Verfahren zur Bestimmung der Form eines Objekts und eine Maschine zum Formen des Objekts |
GB2474882B (en) * | 2009-10-29 | 2014-04-09 | Tgs Geophysical Company Uk Ltd | Signal processing |
WO2011126372A1 (en) | 2010-04-09 | 2011-10-13 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno | Scanning wavelength system and method calibrating such a system |
EP2469255A1 (de) | 2010-12-22 | 2012-06-27 | Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO | Optische Messvorrichtung |
EP2792996A1 (de) | 2013-04-17 | 2014-10-22 | Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO | Interferometrische Abstandsmessvorrichtung und Verfahren |
EP3614098A1 (de) | 2018-08-24 | 2020-02-26 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO | Vorrichtung und verfahren zur interferometrischen messung einer zwei- oder dreidimensionalen translation eines objekts |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4818109A (en) * | 1985-06-28 | 1989-04-04 | Litton Systems, Inc. | Fiber optical combiner particularly for a ring laser gyro |
US4728191A (en) * | 1986-10-22 | 1988-03-01 | Optical Technologies, Incorporated | Divided interferometer employing a single 3×3 coupler/splitter |
US4923268A (en) * | 1987-09-14 | 1990-05-08 | Aster Corporation | Fiber optic coupler |
US5777737A (en) * | 1994-07-22 | 1998-07-07 | Litton Systems, Inc. | Apparatus and method for processing signals output from fiber optic rate gyroscope having 3×3 coupler |
EP0808448A1 (de) * | 1995-12-08 | 1997-11-26 | Litton Systems, Inc. | Optimale konfiguration eines 3x3 kopplers für einen faseroptischen kreisel |
US6886404B2 (en) * | 2003-02-05 | 2005-05-03 | Fibersonde Corporation | Fiber optic accelerometer |
-
2002
- 2002-10-08 NL NL1021600A patent/NL1021600C2/nl not_active IP Right Cessation
-
2003
- 2003-10-08 WO PCT/NL2003/000683 patent/WO2004033987A1/en active IP Right Grant
- 2003-10-08 AU AU2003272146A patent/AU2003272146A1/en not_active Abandoned
- 2003-10-08 EP EP03754308A patent/EP1549904B1/de not_active Expired - Lifetime
- 2003-10-08 AT AT03754308T patent/ATE360798T1/de not_active IP Right Cessation
- 2003-10-08 DE DE60313479T patent/DE60313479T2/de not_active Expired - Lifetime
- 2003-10-08 US US10/530,916 patent/US7369248B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1549904B1 (de) | 2007-04-25 |
WO2004033987A1 (en) | 2004-04-22 |
US20050275846A1 (en) | 2005-12-15 |
EP1549904A1 (de) | 2005-07-06 |
NL1021600C2 (nl) | 2004-04-13 |
AU2003272146A1 (en) | 2004-05-04 |
ATE360798T1 (de) | 2007-05-15 |
US7369248B2 (en) | 2008-05-06 |
DE60313479T2 (de) | 2008-01-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |