FI914198A0 - Saett att utnyttja en optisk fiber som sensor. - Google Patents
Saett att utnyttja en optisk fiber som sensor.Info
- Publication number
- FI914198A0 FI914198A0 FI914198A FI914198A FI914198A0 FI 914198 A0 FI914198 A0 FI 914198A0 FI 914198 A FI914198 A FI 914198A FI 914198 A FI914198 A FI 914198A FI 914198 A0 FI914198 A0 FI 914198A0
- Authority
- FI
- Finland
- Prior art keywords
- pct
- fibre
- sensor
- sensor area
- date sep
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title abstract 4
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Optical Transform (AREA)
- Measuring Fluid Pressure (AREA)
- Geophysics And Detection Of Objects (AREA)
- Eye Examination Apparatus (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8900805 | 1989-03-08 | ||
SE8900805A SE463385B (sv) | 1989-03-08 | 1989-03-08 | Saett att utnyttja en optisk fiber som sensor |
PCT/SE1990/000094 WO1990010883A1 (en) | 1989-03-08 | 1990-02-14 | A method to use an optical fibre as a sensor |
SE9000094 | 1990-02-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI914198A0 true FI914198A0 (fi) | 1991-09-05 |
FI102420B FI102420B (fi) | 1998-11-30 |
FI102420B1 FI102420B1 (fi) | 1998-11-30 |
Family
ID=20375271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI914198A FI102420B1 (fi) | 1989-03-08 | 1991-09-05 | Tapa käyttää optista kuitua tuntoelimenä |
Country Status (9)
Country | Link |
---|---|
US (1) | US5206923A (fi) |
EP (1) | EP0462197B1 (fi) |
JP (1) | JP2936352B2 (fi) |
AT (1) | ATE137586T1 (fi) |
DE (1) | DE69026817T2 (fi) |
FI (1) | FI102420B1 (fi) |
NO (1) | NO178126C (fi) |
SE (1) | SE463385B (fi) |
WO (1) | WO1990010883A1 (fi) |
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 |
CN100387933C (zh) * | 2001-03-27 | 2008-05-14 | 科学与工业研究会 | 利用散斑图像处理技术检测和定位环境扰动的多光纤二维阵列装置 |
DE10345183B4 (de) | 2003-09-29 | 2005-10-13 | Siemens Ag | Vorrichtung zum Erfassen von Kontaktabbrand in Schaltgeräten |
CA2571084A1 (en) * | 2004-06-15 | 2006-01-05 | Optellios, Inc. | Phase responsive optical fiber sensor |
US7139476B2 (en) * | 2004-06-15 | 2006-11-21 | Optellios, Inc. | Distributed fiber sensor with detection and signal processing using polarization state management |
US8395782B2 (en) * | 2004-06-15 | 2013-03-12 | Optellios, Inc. | Detection and location of boundary intrusion, using composite variables derived from phase measurements |
EP2071374B1 (en) * | 2005-01-11 | 2016-12-14 | Future Fibre Technologies Pty Ltd | Apparatus and method for using a counter-propagating signal method for locating events |
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 |
JP6610775B2 (ja) * | 2016-04-14 | 2019-11-27 | 日本電気株式会社 | 光ファイバセンサ、及び光ファイバセンサシステム |
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 |
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 |
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 |
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 JP JP2504769A patent/JP2936352B2/ja not_active Expired - Fee Related
- 1990-02-14 EP EP90904964A patent/EP0462197B1/en not_active Expired - Lifetime
- 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 WO PCT/SE1990/000094 patent/WO1990010883A1/en active IP Right Grant
- 1990-02-14 DE DE69026817T patent/DE69026817T2/de not_active Expired - Fee Related
-
1991
- 1991-09-05 FI FI914198A patent/FI102420B1/fi active
- 1991-09-06 NO NO913526A patent/NO178126C/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69026817T2 (de) | 1996-11-28 |
NO913526D0 (no) | 1991-09-06 |
NO178126C (no) | 1996-01-24 |
NO178126B (no) | 1995-10-16 |
ATE137586T1 (de) | 1996-05-15 |
FI102420B (fi) | 1998-11-30 |
SE8900805L (sv) | 1990-09-09 |
SE8900805D0 (sv) | 1989-03-08 |
SE463385B (sv) | 1990-11-12 |
DE69026817D1 (de) | 1996-06-05 |
JPH04504019A (ja) | 1992-07-16 |
EP0462197A1 (en) | 1991-12-27 |
WO1990010883A1 (en) | 1990-09-20 |
JP2936352B2 (ja) | 1999-08-23 |
NO913526L (no) | 1991-09-06 |
FI102420B1 (fi) | 1998-11-30 |
EP0462197B1 (en) | 1996-05-01 |
US5206923A (en) | 1993-04-27 |
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