NO852237L - Fiberoptisk avfoelergruppe. - Google Patents
Fiberoptisk avfoelergruppe.Info
- Publication number
- NO852237L NO852237L NO852237A NO852237A NO852237L NO 852237 L NO852237 L NO 852237L NO 852237 A NO852237 A NO 852237A NO 852237 A NO852237 A NO 852237A NO 852237 L NO852237 L NO 852237L
- Authority
- NO
- Norway
- Prior art keywords
- fiber
- sensors
- sensor
- transmitter
- frequency
- Prior art date
Links
- 239000000835 fiber Substances 0.000 claims abstract description 223
- 230000003287 optical effect Effects 0.000 claims abstract description 40
- 230000008878 coupling Effects 0.000 claims description 59
- 238000010168 coupling process Methods 0.000 claims description 59
- 238000005859 coupling reaction Methods 0.000 claims description 59
- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 13
- 230000008859 change Effects 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 230000002123 temporal effect Effects 0.000 claims 14
- 238000005070 sampling Methods 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 description 20
- 230000037431 insertion Effects 0.000 description 20
- 230000010363 phase shift Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 7
- 230000003993 interaction Effects 0.000 description 7
- 239000013307 optical fiber Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 5
- 239000000382 optic material Substances 0.000 description 5
- 230000001052 transient effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 238000004904 shortening Methods 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 238000005253 cladding Methods 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 102000014150 Interferons Human genes 0.000 description 1
- 108010050904 Interferons Proteins 0.000 description 1
- 241001417527 Pempheridae Species 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 229920006335 epoxy glue Polymers 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229940079322 interferon Drugs 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000000711 polarimetry Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Optical Transform (AREA)
- Measuring Fluid Pressure (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Paper (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Electrophonic Musical Instruments (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Light Guides In General And Applications Therefor (AREA)
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 |
|---|---|
| NO852237L true NO852237L (no) | 1985-12-12 |
Family
ID=24480537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO852237A NO852237L (no) | 1984-06-11 | 1985-06-03 | Fiberoptisk avfoelergruppe. |
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 (47)
| 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 |
| US4755668A (en) * | 1986-10-03 | 1988-07-05 | Optical Technologies, Inc. | Fiber optic interferometric thermometer with serially positioned fiber optic sensors |
| US4868381A (en) * | 1986-10-03 | 1989-09-19 | Optical Technologies, Inc. | Fiber optic interferometric thermometer |
| 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 |
| US4775216A (en) * | 1987-02-02 | 1988-10-04 | Litton Systems, Inc. | Fiber optic sensor array and method |
| US4778239A (en) * | 1987-02-02 | 1988-10-18 | Litton Systems, Inc. | Feed-backward lattice architecture 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 |
| EP0417162A4 (en) * | 1988-05-12 | 1992-12-16 | The Commonwealth Of Australia Defence | 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 |
| US5475216A (en) * | 1990-05-22 | 1995-12-12 | Danver; Bruce A. | Fiber optic sensor having mandrel wound reference and sensing arms |
| US5155548A (en) * | 1990-05-22 | 1992-10-13 | Litton Systems, Inc. | Passive fiber optic sensor with omnidirectional acoustic sensor and accelerometer |
| 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 |
| 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 |
| US6278657B1 (en) * | 1998-04-03 | 2001-08-21 | The Board Of Trustees Of The Leland Stanford Junior University | Folded sagnac sensor array |
| 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 |
| WO2021212271A1 (zh) * | 2020-04-20 | 2021-10-28 | 北京佰为深科技发展有限公司 | 法珀传感器腔长解调系统和法珀传感器腔长解调方法 |
| 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 |
| CN119443161B (zh) * | 2024-10-22 | 2025-10-10 | 哈尔滨工程大学 | 一种基于多芯光纤的全光卷积计算系统 |
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 AT AT85302622T patent/ATE57765T1/de not_active IP Right Cessation
- 1985-04-15 EP EP85302622A patent/EP0165671B1/de not_active Expired - Lifetime
- 1985-04-15 DE DE8585302622T patent/DE3580196D1/de not_active Expired - Fee Related
- 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 Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BR8502049A (pt) | 1986-05-06 |
| KR860000555A (ko) | 1986-01-29 |
| KR870001580B1 (ko) | 1987-09-04 |
| JPS60263865A (ja) | 1985-12-27 |
| US4632551A (en) | 1986-12-30 |
| DE3580196D1 (de) | 1990-11-29 |
| AU558057B2 (en) | 1987-01-15 |
| EP0165671A3 (en) | 1987-05-20 |
| AU3988785A (en) | 1985-12-19 |
| EP0165671B1 (de) | 1990-10-24 |
| EP0165671A2 (de) | 1985-12-27 |
| CA1231549A (en) | 1988-01-19 |
| ATE57765T1 (de) | 1990-11-15 |
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