DE60033142D1 - Verfahren und vorrichtung zur erhöhung des dynamikbereichs, der empfindlichkeit, der genauigkeit und der auflösung in faseroptischen sensorsystemen - Google Patents
Verfahren und vorrichtung zur erhöhung des dynamikbereichs, der empfindlichkeit, der genauigkeit und der auflösung in faseroptischen sensorsystemenInfo
- Publication number
- DE60033142D1 DE60033142D1 DE60033142T DE60033142T DE60033142D1 DE 60033142 D1 DE60033142 D1 DE 60033142D1 DE 60033142 T DE60033142 T DE 60033142T DE 60033142 T DE60033142 T DE 60033142T DE 60033142 D1 DE60033142 D1 DE 60033142D1
- Authority
- DE
- Germany
- Prior art keywords
- sensitivity
- resolution
- accuracy
- increasing
- fiber optic
- 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
- 230000035945 sensitivity Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
- G01L1/246—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using integrated gratings, e.g. Bragg gratings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/344—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using polarisation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35383—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/303,163 US6363180B1 (en) | 1999-04-30 | 1999-04-30 | Methods and apparatus for enhancing dynamic range, sensitivity, accuracy, and resolution in fiber optic sensor systems |
PCT/US2000/011064 WO2000072058A2 (en) | 1999-04-30 | 2000-04-24 | Methods and apparatus for enhancing dynamic range, sensitivity, accuracy, and resolution in fiber optic sensor systems |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60033142D1 true DE60033142D1 (de) | 2007-03-15 |
Family
ID=23170797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60033142T Expired - Lifetime DE60033142D1 (de) | 1999-04-30 | 2000-04-24 | Verfahren und vorrichtung zur erhöhung des dynamikbereichs, der empfindlichkeit, der genauigkeit und der auflösung in faseroptischen sensorsystemen |
Country Status (5)
Country | Link |
---|---|
US (1) | US6363180B1 (de) |
EP (1) | EP1175599B1 (de) |
AU (1) | AU7049100A (de) |
DE (1) | DE60033142D1 (de) |
WO (1) | WO2000072058A2 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU717824B2 (en) * | 1996-07-19 | 2000-04-06 | Nextg Networks, Inc. | Telecommunications system simultaneously receiving and modulating an optical signal |
US6591024B2 (en) * | 2000-08-30 | 2003-07-08 | Lucent Technologies Inc. | System comprising in-line wavelength sensitive polarimeter |
EP1238264B1 (de) * | 2000-09-29 | 2004-12-29 | Commissariat A L'Energie Atomique | Refraktometer mit schräg gelegenen bragg vergitterungen |
US6795599B2 (en) * | 2001-05-11 | 2004-09-21 | Vasilii V. Spirin | Differential fiber optical sensor with interference energy analyzer |
US6545800B1 (en) * | 2001-06-05 | 2003-04-08 | Onetta, Inc. | Depolarizers for optical channel monitors |
US6895146B1 (en) * | 2001-06-06 | 2005-05-17 | Terabeam Corporation | Mode scrambler |
US6898339B2 (en) * | 2002-12-16 | 2005-05-24 | Schlumberger Technology Corporation | Multiple mode pre-loadable fiber optic pressure and temperature sensor |
KR100488221B1 (ko) * | 2003-09-08 | 2005-05-10 | 주식회사 파이버프로 | 광섬유 브래그 격자 센서 시스템 |
DE602005009691D1 (de) * | 2005-07-28 | 2008-10-23 | Fondazione Torino Wireless | System und Verfahren zum Messen von Kräften |
US20070098023A1 (en) * | 2005-10-28 | 2007-05-03 | Quantronix Corporation | Fiber laser and methods manufacture and use |
GB0613958D0 (en) * | 2006-07-13 | 2006-08-23 | Univ Aston | A torsion sensor |
GB0823306D0 (en) * | 2008-12-22 | 2009-01-28 | Rogers Alan | Frequency-mapped distributed presure measurement |
EP2486222A4 (de) | 2009-10-05 | 2016-06-08 | Nat Oilwell Varco Denmark Is | Flexibles unverbundenes ölrohrsystem mit innerem glasfasersensor |
US8326095B2 (en) * | 2010-02-08 | 2012-12-04 | Schlumberger Technology Corporation | Tilt meter including optical fiber sections |
US9726558B2 (en) * | 2012-06-13 | 2017-08-08 | Omnisens Sa | Method and device for pressure sensing |
WO2015034858A1 (en) * | 2013-09-03 | 2015-03-12 | US Seismic Systems, Inc. | Interferometric sensing systems with polarization noise reduction, and methods of operating the same |
US20180299336A1 (en) * | 2015-07-11 | 2018-10-18 | Fsp Llc | Pressure sensor utilizing bragg grating with single mode fiber |
US10591549B2 (en) * | 2016-09-14 | 2020-03-17 | GM Global Technology Operations LLC | Sensor and method of making and using the same |
US10557343B2 (en) | 2017-08-25 | 2020-02-11 | Schlumberger Technology Corporation | Sensor construction for distributed pressure sensing |
US10890778B2 (en) * | 2019-06-11 | 2021-01-12 | Facebook Technologies, Llc | Optical system having an improved signal-to-noise ratio of eye-tracking |
US10935399B1 (en) * | 2019-10-23 | 2021-03-02 | Baker Hughes, A Ge Company, Llc | Passive random depolarizer for a tunable laser |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4787741A (en) * | 1986-10-09 | 1988-11-29 | Mcdonnell Douglas Corporation | Fiber optic sensor |
EP0425554A4 (en) | 1988-07-20 | 1991-11-21 | The Commonwealth Scientific And Industrial Research Organisation | An ultrasonic sensor |
US5118931A (en) * | 1990-09-07 | 1992-06-02 | Mcdonnell Douglas Corporation | Fiber optic microbending sensor arrays including microbend sensors sensitive over different bands of wavelengths of light |
US5513913A (en) * | 1993-01-29 | 1996-05-07 | United Technologies Corporation | Active multipoint fiber laser sensor |
FR2703541B1 (fr) | 1993-04-02 | 1995-05-12 | Alcatel Cable | Dispositif d'interrogation et d'analyse d'un réseau de capteurs interférométriques de mesure en lumière polarisée. |
KR960007884B1 (ko) | 1993-04-24 | 1996-06-15 | 국방과학연구소 | 광섬유 격자를 이용한 광섬유소자 |
US5788632A (en) * | 1996-03-19 | 1998-08-04 | Abbott Laboratories | Apparatus and process for the non-invasive measurement of optically active compounds |
US5841131A (en) | 1997-07-07 | 1998-11-24 | Schlumberger Technology Corporation | Fiber optic pressure transducers and pressure sensing system incorporating same |
US5828059A (en) | 1996-09-09 | 1998-10-27 | Udd; Eric | Transverse strain measurements using fiber optic grating based sensors |
US5818585A (en) | 1997-02-28 | 1998-10-06 | The United States Of America As Represented By The Secretary Of The Navy | Fiber Bragg grating interrogation system with adaptive calibration |
GB9721473D0 (en) * | 1997-10-09 | 1997-12-10 | Sensor Dynamics Ltd | Interferometric sensing apparatus |
-
1999
- 1999-04-30 US US09/303,163 patent/US6363180B1/en not_active Expired - Lifetime
-
2000
- 2000-04-24 DE DE60033142T patent/DE60033142D1/de not_active Expired - Lifetime
- 2000-04-24 AU AU70491/00A patent/AU7049100A/en not_active Abandoned
- 2000-04-24 WO PCT/US2000/011064 patent/WO2000072058A2/en active IP Right Grant
- 2000-04-24 EP EP00959115A patent/EP1175599B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1175599A1 (de) | 2002-01-30 |
WO2000072058A2 (en) | 2000-11-30 |
WO2000072058A3 (en) | 2001-03-08 |
AU7049100A (en) | 2000-12-12 |
EP1175599B1 (de) | 2007-01-24 |
US6363180B1 (en) | 2002-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |