DE3580196D1 - Passiv messende anordnung interferometrischer sensoren. - Google Patents
Passiv messende anordnung interferometrischer sensoren.Info
- Publication number
- DE3580196D1 DE3580196D1 DE8585302622T DE3580196T DE3580196D1 DE 3580196 D1 DE3580196 D1 DE 3580196D1 DE 8585302622 T DE8585302622 T DE 8585302622T DE 3580196 T DE3580196 T DE 3580196T DE 3580196 D1 DE3580196 D1 DE 3580196D1
- Authority
- DE
- Germany
- Prior art keywords
- sensors
- pulses
- fiber
- fiber optic
- transmit
- 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
- 239000000835 fiber Substances 0.000 abstract 9
- 230000003287 optical effect Effects 0.000 abstract 1
- 238000005070 sampling Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
-
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
-
- 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
- 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
- G02B6/2861—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 fibre optic delay lines and optical elements associated with them, e.g. for use in signal processing, e.g. filtering
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/619,119 US4632551A (en) | 1984-06-11 | 1984-06-11 | Passive sampling interferometric sensor arrays |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3580196D1 true DE3580196D1 (de) | 1990-11-29 |
Family
ID=24480537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585302622T Expired - Fee Related DE3580196D1 (de) | 1984-06-11 | 1985-04-15 | Passiv messende anordnung interferometrischer sensoren. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4632551A (de) |
EP (1) | EP0165671B1 (de) |
JP (1) | JPS60263865A (de) |
KR (1) | KR870001580B1 (de) |
AT (1) | ATE57765T1 (de) |
AU (1) | AU558057B2 (de) |
BR (1) | BR8502049A (de) |
CA (1) | CA1231549A (de) |
DE (1) | DE3580196D1 (de) |
NO (1) | NO852237L (de) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4770535A (en) * | 1985-02-08 | 1988-09-13 | The Board Of Trustees Of The Leland Stanford Junior University | Distributed sensor array and method using a pulsed signal source |
GB8511688D0 (en) * | 1985-05-09 | 1985-06-19 | British Telecomm | Frequency locking electromagnetic signals |
US4789240A (en) * | 1985-05-28 | 1988-12-06 | Litton Systems, Inc. | Wavelength switched passive interferometric sensor system |
US4743113A (en) * | 1985-08-29 | 1988-05-10 | Western Atlas International, Inc. | Optical fiber interferometer network |
FR2595820B1 (fr) * | 1986-03-13 | 1990-01-05 | Bertin & Cie | Dispositif a fibres optiques pour la detection a distance d'une grandeur physique, en particulier de la temperature |
GB2187837A (en) * | 1986-03-14 | 1987-09-16 | British Aerospace | Beam splitters |
GB8609732D0 (en) * | 1986-04-22 | 1986-05-29 | Plessey Co Plc | Optical fibre sensing systems |
US4777661A (en) * | 1986-09-22 | 1988-10-11 | Simmonds Precision Products, Inc. | Apparatus and method for self-referencing and multiplexing intensity modulating fiber optic sensors |
US4868381A (en) * | 1986-10-03 | 1989-09-19 | Optical Technologies, Inc. | Fiber optic interferometric thermometer |
US4755668A (en) * | 1986-10-03 | 1988-07-05 | Optical Technologies, Inc. | Fiber optic interferometric thermometer with serially positioned fiber optic sensors |
US4787741A (en) * | 1986-10-09 | 1988-11-29 | Mcdonnell Douglas Corporation | Fiber optic sensor |
FR2605101B1 (fr) * | 1986-10-14 | 1988-12-09 | Thomson Csf | Interferometre en anneau a fibres optiques a trois axes |
US4752132A (en) * | 1986-10-24 | 1988-06-21 | Litton Systems, Inc. | Low power control interferometric sensor with wide dynamic range |
US4778239A (en) * | 1987-02-02 | 1988-10-18 | Litton Systems, Inc. | Feed-backward lattice architecture and method |
US4775216A (en) * | 1987-02-02 | 1988-10-04 | Litton Systems, Inc. | Fiber optic sensor array and method |
US4784453A (en) * | 1987-02-02 | 1988-11-15 | Litton Systems, Inc. | Backward-flow ladder architecture and method |
GB8716776D0 (en) * | 1987-07-16 | 1987-11-18 | Plessey Co Plc | Optical sensing systems |
US4799752A (en) * | 1987-09-21 | 1989-01-24 | Litton Systems, Inc. | Fiber optic gradient hydrophone and method of using same |
US4818064A (en) * | 1987-09-24 | 1989-04-04 | Board Of Trustees Stanford Junior University | Sensor array and method of selective interferometric sensing by use of coherence synthesis |
WO1989011110A1 (en) * | 1988-05-12 | 1989-11-16 | The Commonwealth Of Australia Of Department Of Def | An interferometric fibre optic network |
US5039221A (en) * | 1989-07-03 | 1991-08-13 | Litton Systems, Inc. | Interferometer calibration for fiber optic sensor arrays |
GB8921341D0 (en) * | 1989-09-21 | 1989-11-08 | Smiths Industries Plc | Optical multiplexing |
US5155548A (en) * | 1990-05-22 | 1992-10-13 | Litton Systems, Inc. | Passive fiber optic sensor with omnidirectional acoustic sensor and accelerometer |
US5475216A (en) * | 1990-05-22 | 1995-12-12 | Danver; Bruce A. | Fiber optic sensor having mandrel wound reference and sensing arms |
US5173743A (en) * | 1991-05-28 | 1992-12-22 | Litton Systems, Inc. | Fiber optical time-division-multiplexed unbalanced pulsed interferometer with polarization fading compensation |
US5201015A (en) * | 1991-09-19 | 1993-04-06 | Litton Systems, Inc. | Conformal fiber optic strain sensor |
US5297224A (en) * | 1992-08-14 | 1994-03-22 | Litton Systems, Inc. | Optically switched sensor array |
US5497233A (en) * | 1994-07-27 | 1996-03-05 | Litton Systems, Inc. | Optical waveguide vibration sensor and method |
US5706079A (en) * | 1995-09-29 | 1998-01-06 | The United States Of America As Represented By The Secretary Of The Navy | Ultra-high sensitivity transducer with chirped bragg grating relector |
US5710648A (en) * | 1995-12-29 | 1998-01-20 | Lucent Technologies Inc. | Optical communication system and remote sensor interrogation |
US5737278A (en) * | 1996-06-17 | 1998-04-07 | Litton Systems, Inc. | Extended, flexible, spatially weighted fiber optic interferometric hydrophone |
US5696857A (en) * | 1996-07-25 | 1997-12-09 | Litton Systems, Inc. | WDM/FDM fiber optic sensor architecture using WDM tap coupler |
US6243506B1 (en) * | 1997-07-18 | 2001-06-05 | National Science Council | Optical frequency and temperature sensor system |
US6278657B1 (en) * | 1998-04-03 | 2001-08-21 | The Board Of Trustees Of The Leland Stanford Junior University | Folded sagnac sensor array |
EP1496723B1 (de) * | 1998-04-03 | 2010-07-07 | The Board Of Trustees Of The Leland Stanford Junior University | Auf Sagnac-Interferometer basierende faseroptische akustische Sensormatrixanordnung |
US6166816A (en) * | 1998-12-31 | 2000-12-26 | Blake; James N. | Combination fiber optic current/voltage sensor |
GB9901965D0 (en) | 1999-01-29 | 1999-03-17 | Geo Sensor Corp | Angle demodulation |
NO313605B1 (no) * | 1999-12-13 | 2002-10-28 | Optoplan As | Fremgangsmate og system for kalibrering av en konverteringsenhet i et fiberoptisk sensorhode |
US6822743B2 (en) * | 2001-03-07 | 2004-11-23 | Paul Trinh | Integrated-optic channel monitoring |
EP1586879A1 (de) * | 2004-04-16 | 2005-10-19 | Agilent Technologies, Inc. | Bestimmung einer physikalischen Grösse mittels einer optischen Vorrichtung |
JP4787789B2 (ja) * | 2006-06-09 | 2011-10-05 | アンリツ株式会社 | Fbgセンサシステム |
US9176280B2 (en) * | 2013-10-21 | 2015-11-03 | Oracle International Corporation | Optical reflector based on a directional coupler and a coupled optical loop |
CN104730279B (zh) * | 2013-12-20 | 2018-04-10 | 中国工程物理研究院激光聚变研究中心 | 一种啁啾脉冲速度干涉仪 |
CZ305889B6 (cs) * | 2015-03-05 | 2016-04-20 | Vysoká Škola Báňská - Technická Univerzita Ostrava | Optovláknový interferometrický senzor pro monitorování dopravního provozu |
CN116231435B (zh) * | 2023-05-08 | 2023-07-28 | 山东省科学院激光研究所 | 基于集疏频序脉冲光时域反射技术的激光器及传感系统 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU4223778A (en) * | 1977-12-12 | 1979-06-21 | Pedro B Macedo | Optical waveguide sensor |
JPS5621004A (en) * | 1979-07-30 | 1981-02-27 | Toshiba Corp | Optical sensing system |
US4443700A (en) * | 1980-02-01 | 1984-04-17 | Pedro B. Macedo | Optical sensing apparatus and method |
US4360272A (en) * | 1980-03-20 | 1982-11-23 | Optelecom, Inc. | Fiber optic energy sensor and optical demodulation system and methods of making same |
GB2096762A (en) * | 1981-04-09 | 1982-10-20 | Univ London | Optical fibre sensor device |
DE3224775A1 (de) * | 1981-06-30 | 1983-01-20 | Hahn-Meitner-Institut für Kernforschung Berlin GmbH, 1000 Berlin | Ueberwachungssystem fuer betriebsanlagen |
US4505587A (en) * | 1981-08-14 | 1985-03-19 | Massachusetts Institute Of Technology | Picosecond optical sampling |
US4588296A (en) * | 1981-10-07 | 1986-05-13 | Mcdonnell Douglas Corporation | Compact optical gyro |
-
1984
- 1984-06-11 US US06/619,119 patent/US4632551A/en not_active Expired - Lifetime
-
1985
- 1985-03-07 CA CA000475914A patent/CA1231549A/en not_active Expired
- 1985-03-15 AU AU39887/85A patent/AU558057B2/en not_active Ceased
- 1985-04-15 DE DE8585302622T patent/DE3580196D1/de not_active Expired - Fee Related
- 1985-04-15 EP EP85302622A patent/EP0165671B1/de not_active Expired - Lifetime
- 1985-04-15 AT AT85302622T patent/ATE57765T1/de not_active IP Right Cessation
- 1985-04-30 BR BR8502049A patent/BR8502049A/pt unknown
- 1985-05-20 JP JP60109181A patent/JPS60263865A/ja active Pending
- 1985-06-03 NO NO852237A patent/NO852237L/no unknown
- 1985-06-10 KR KR1019850004063A patent/KR870001580B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BR8502049A (pt) | 1986-05-06 |
EP0165671A2 (de) | 1985-12-27 |
KR870001580B1 (ko) | 1987-09-04 |
CA1231549A (en) | 1988-01-19 |
EP0165671A3 (en) | 1987-05-20 |
US4632551A (en) | 1986-12-30 |
KR860000555A (ko) | 1986-01-29 |
ATE57765T1 (de) | 1990-11-15 |
NO852237L (no) | 1985-12-12 |
EP0165671B1 (de) | 1990-10-24 |
AU3988785A (en) | 1985-12-19 |
JPS60263865A (ja) | 1985-12-27 |
AU558057B2 (en) | 1987-01-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3580196D1 (de) | Passiv messende anordnung interferometrischer sensoren. | |
ATE27489T1 (de) | Faseroptische messeinrichtung. | |
AU5270886A (en) | Coherent distributed fibre optic sensor | |
AU6069586A (en) | Fibre optic sensor and method of use | |
GB2419184A (en) | Optical wavelength interrogator | |
EP0377549A3 (de) | Fernmessung physikalischer Variablen mit faseroptischen Systemen | |
GB2337593A (en) | Fiber optic bragg grating sensor system for use in vertical seismic profiling | |
ATE66296T1 (de) | Faseroptischer detektor mit einer ueberwachung des guten funktionierens. | |
DK0649000T3 (da) | Måleanordning til overvågning af bygninger, landområder eller lignende | |
FR2604252B1 (fr) | Capteur de deplacement et proximite a fibres optiques | |
SA520412394B1 (ar) | نظام كابل ألياف بصرية له حساسية اتجاهية في حفرة بئر | |
ATE88269T1 (de) | Faseroptischer polarimetrischer sensor. | |
DE59308272D1 (de) | Einrichtung für Messungen an Lichtwellenleitern und Verfahren zur Durchführung der Messung | |
EP0397636B1 (de) | Anordnung und Verfahren zur Messung mit faseroptischen Sensoren und dazugehöriger Sensor | |
JPS6486025A (en) | Reflection type photosensor | |
SU1620818A1 (ru) | Многофункциональный интерферометрический оптоволоконный преобразователь | |
RU1826134C (ru) | Устройство дл измерени затухани оптического кабел | |
CN109459073A (zh) | 一种光纤传感器的解调系统及解调方法 | |
RU2267085C1 (ru) | Волоконно-оптический датчик | |
SU1506313A1 (ru) | Волоконно-оптический датчик давлени | |
FR2574178B1 (fr) | Capteur interferometrique a fibre optique | |
Mlodzianowskl et al. | A FREQUENCY DOMAIN APPROACH TO THE MULTIPLEXING OF INTENSITY BASED OPTICAL FIBRE SENSORS | |
UA5086U (uk) | Вимірювальний перетворювач з часовим представленням інформації | |
RU97103976A (ru) | Способ измерения перемещений | |
FR2828290B1 (fr) | Emetteur de signaux pour fibre optique |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |