SE8900805D0 - Saett att utnyttja en optisk fiber som sensor - Google Patents
Saett att utnyttja en optisk fiber som sensorInfo
- Publication number
- SE8900805D0 SE8900805D0 SE8900805A SE8900805A SE8900805D0 SE 8900805 D0 SE8900805 D0 SE 8900805D0 SE 8900805 A SE8900805 A SE 8900805A SE 8900805 A SE8900805 A SE 8900805A SE 8900805 D0 SE8900805 D0 SE 8900805D0
- Authority
- SE
- Sweden
- Prior art keywords
- pct
- fibre
- sensor
- sensor area
- date sep
- Prior art date
Links
- 239000000835 fiber Substances 0.000 abstract 3
- 239000013307 optical fiber Substances 0.000 abstract 2
- 230000005855 radiation Effects 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000001427 coherent effect Effects 0.000 abstract 1
Classifications
-
- 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
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
- G01M11/3181—Reflectometers dealing with polarisation
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8900805A SE463385B (sv) | 1989-03-08 | 1989-03-08 | Saett att utnyttja en optisk fiber som sensor |
DE69026817T DE69026817T2 (de) | 1989-03-08 | 1990-02-14 | Methode zum Detektieren und Messen von äusseren Einwirkungen |
AT90904964T ATE137586T1 (de) | 1989-03-08 | 1990-02-14 | Methode zum detektieren und messen von äusseren einwirkungen |
EP90904964A EP0462197B1 (en) | 1989-03-08 | 1990-02-14 | A method of detecting and measuring external influence |
US07/761,358 US5206923A (en) | 1989-03-08 | 1990-02-14 | Method to use an optical fibre as a sensor |
JP2504769A JP2936352B2 (ja) | 1989-03-08 | 1990-02-14 | 光ファイバをセンサとして使用するための方法 |
PCT/SE1990/000094 WO1990010883A1 (en) | 1989-03-08 | 1990-02-14 | A method to use an optical fibre as a sensor |
FI914198A FI102420B1 (sv) | 1989-03-08 | 1991-09-05 | Sätt att utnyttja en optisk fiber som sensor |
NO913526A NO178126C (no) | 1989-03-08 | 1991-09-06 | Fremgangsmåte til utnyttelse av en optisk fiber som sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8900805A SE463385B (sv) | 1989-03-08 | 1989-03-08 | Saett att utnyttja en optisk fiber som sensor |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8900805D0 true SE8900805D0 (sv) | 1989-03-08 |
SE8900805L SE8900805L (sv) | 1990-09-09 |
SE463385B SE463385B (sv) | 1990-11-12 |
Family
ID=20375271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8900805A SE463385B (sv) | 1989-03-08 | 1989-03-08 | Saett att utnyttja en optisk fiber som sensor |
Country Status (9)
Country | Link |
---|---|
US (1) | US5206923A (sv) |
EP (1) | EP0462197B1 (sv) |
JP (1) | JP2936352B2 (sv) |
AT (1) | ATE137586T1 (sv) |
DE (1) | DE69026817T2 (sv) |
FI (1) | FI102420B1 (sv) |
NO (1) | NO178126C (sv) |
SE (1) | SE463385B (sv) |
WO (1) | WO1990010883A1 (sv) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE459052B (sv) * | 1987-09-09 | 1989-05-29 | Foersvarets Forskningsanstalt | Saett att detektera yttre paaverkan paa en optisk kabel |
US5844702A (en) * | 1992-11-05 | 1998-12-01 | Sprint Communications Co, L.P. | Bidirectional optical fiber transmission system with reflection signal monitor |
US5532860A (en) * | 1995-03-20 | 1996-07-02 | General Electric Company | Spatial synchronization for optical communication system |
EP1373837B1 (en) * | 2001-03-27 | 2010-10-20 | Council of Scientific and Industrial Research | Multimode fiber optic speckle sensor |
DE10345183B4 (de) * | 2003-09-29 | 2005-10-13 | Siemens Ag | Vorrichtung zum Erfassen von Kontaktabbrand in Schaltgeräten |
US8395782B2 (en) * | 2004-06-15 | 2013-03-12 | Optellios, Inc. | Detection and location of boundary intrusion, using composite variables derived from phase measurements |
US7139476B2 (en) * | 2004-06-15 | 2006-11-21 | Optellios, Inc. | Distributed fiber sensor with detection and signal processing using polarization state management |
US7725026B2 (en) * | 2004-06-15 | 2010-05-25 | Optellios, Inc. | Phase responsive optical fiber sensor |
KR101243049B1 (ko) * | 2005-01-11 | 2013-03-25 | 퓨쳐 파이브레 테크놀로지스 피티와이 엘티디 | 역전파 신호법을 사용하여 이벤트의 위치를 파악하는 장치및 방법 |
US7499176B2 (en) * | 2007-02-13 | 2009-03-03 | Future Fibre Technologies Pty Ltd | Apparatus and method for using a counter-propagating signal method for locating events |
US20140270039A1 (en) * | 2013-03-14 | 2014-09-18 | Westinghouse Electric Company Llc | Nuclear radiation dosimeter using stress induced birefringence changes in fiber optic cables |
US10859408B2 (en) * | 2016-04-14 | 2020-12-08 | Nec Corporation | Optical fiber sensor and optical fiber sensor system |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3854792A (en) * | 1973-03-22 | 1974-12-17 | Atomic Energy Commission | Fiber optic security seal |
US4070091A (en) * | 1976-04-16 | 1978-01-24 | Northern Telecom Limited | Optical fibre with enhanced security |
US4297684A (en) * | 1979-03-26 | 1981-10-27 | Honeywell Inc. | Fiber optic intruder alarm system |
SE438396B (sv) * | 1983-09-01 | 1985-04-15 | Ericsson Telefon Ab L M | Anordning for att detektera avtappning av ljusenergi fran optiska fibrer |
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 |
US4697926A (en) * | 1985-02-08 | 1987-10-06 | The Board Of Trustees Of The Leland Stanford Junior University | Coherent distributed sensor and method using short coherence length sources |
AU579041B2 (en) * | 1986-05-09 | 1988-11-10 | Thomas & Betts Corporation | Method of and apparatus for fiber optic sensing |
US4784453A (en) * | 1987-02-02 | 1988-11-15 | Litton Systems, Inc. | Backward-flow ladder architecture and method |
US5026139A (en) * | 1988-01-29 | 1991-06-25 | Fiberchem Inc. | Fiber optic refractive index sensor using metal cladding |
US4929049A (en) * | 1988-01-29 | 1990-05-29 | Fiberchem, Inc. | Fiber optic refractive index sensor using a metal clad |
US4904940A (en) * | 1988-03-18 | 1990-02-27 | The Boeing Company | Fiber-optic multicomponent magnetic field gradiometer for first, second and higher order derivatives |
US4904863A (en) * | 1988-11-25 | 1990-02-27 | Loral Corporation | Polarimetric optical fiber pressure sensor |
-
1989
- 1989-03-08 SE SE8900805A patent/SE463385B/sv unknown
-
1990
- 1990-02-14 WO PCT/SE1990/000094 patent/WO1990010883A1/en active IP Right Grant
- 1990-02-14 DE DE69026817T patent/DE69026817T2/de not_active Expired - Fee Related
- 1990-02-14 US US07/761,358 patent/US5206923A/en not_active Expired - Lifetime
- 1990-02-14 AT AT90904964T patent/ATE137586T1/de not_active IP Right Cessation
- 1990-02-14 JP JP2504769A patent/JP2936352B2/ja not_active Expired - Fee Related
- 1990-02-14 EP EP90904964A patent/EP0462197B1/en not_active Expired - Lifetime
-
1991
- 1991-09-05 FI FI914198A patent/FI102420B1/sv active
- 1991-09-06 NO NO913526A patent/NO178126C/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO178126C (no) | 1996-01-24 |
NO178126B (no) | 1995-10-16 |
FI102420B (sv) | 1998-11-30 |
NO913526D0 (no) | 1991-09-06 |
ATE137586T1 (de) | 1996-05-15 |
WO1990010883A1 (en) | 1990-09-20 |
SE8900805L (sv) | 1990-09-09 |
US5206923A (en) | 1993-04-27 |
EP0462197A1 (en) | 1991-12-27 |
SE463385B (sv) | 1990-11-12 |
FI914198A0 (fi) | 1991-09-05 |
JP2936352B2 (ja) | 1999-08-23 |
NO913526L (no) | 1991-09-06 |
EP0462197B1 (en) | 1996-05-01 |
DE69026817D1 (de) | 1996-06-05 |
FI102420B1 (sv) | 1998-11-30 |
JPH04504019A (ja) | 1992-07-16 |
DE69026817T2 (de) | 1996-11-28 |
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Legal Events
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NAL | Patent in force |
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