DE3765961D1 - Optischer fasersensor mit mikrowindungen. - Google Patents

Optischer fasersensor mit mikrowindungen.

Info

Publication number
DE3765961D1
DE3765961D1 DE8787810118T DE3765961T DE3765961D1 DE 3765961 D1 DE3765961 D1 DE 3765961D1 DE 8787810118 T DE8787810118 T DE 8787810118T DE 3765961 T DE3765961 T DE 3765961T DE 3765961 D1 DE3765961 D1 DE 3765961D1
Authority
DE
Germany
Prior art keywords
optical fiber
microwindings
fiber sensor
microbends
sheath
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
Application number
DE8787810118T
Other languages
English (en)
Inventor
Lucien G Falco
Olivier M Parriaux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centre Suisse dElectronique et Microtechnique SA CSEM
Original Assignee
Centre Suisse dElectronique et Microtechnique SA CSEM
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Centre Suisse dElectronique et Microtechnique SA CSEM filed Critical Centre Suisse dElectronique et Microtechnique SA CSEM
Application granted granted Critical
Publication of DE3765961D1 publication Critical patent/DE3765961D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00—Measuring temperature based on the expansion or contraction of a material
    • G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
    • G01K5/56—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
    • G01K5/62—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip
    • G01K5/70—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip specially adapted for indicating or recording
    • G01K5/72—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip specially adapted for indicating or recording with electric transmission means for final indication
    • 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
    • G01D5/35338—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 other arrangements than interferometer arrangements
    • G01D5/35354—Sensor working in reflection
    • G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
    • 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
    • G01D5/3537—Optical fibre sensor using a particular arrangement of the optical fibre itself
    • G01D5/35377—Means for amplifying or modifying the measured quantity

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Optical Transform (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE8787810118T 1986-03-06 1987-03-03 Optischer fasersensor mit mikrowindungen. Expired - Fee Related DE3765961D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH885/86A CH666552A5 (fr) 1986-03-06 1986-03-06 Capteur a fibre optique a microcourbures.

Publications (1)

Publication Number Publication Date
DE3765961D1 true DE3765961D1 (de) 1990-12-13

Family

ID=4197441

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787810118T Expired - Fee Related DE3765961D1 (de) 1986-03-06 1987-03-03 Optischer fasersensor mit mikrowindungen.

Country Status (7)

Country Link
US (1) US4846547A (de)
EP (1) EP0238440B1 (de)
JP (1) JPS62217205A (de)
AT (1) ATE58238T1 (de)
CA (1) CA1289793C (de)
CH (1) CH666552A5 (de)
DE (1) DE3765961D1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208711A (en) * 1988-08-16 1989-04-12 Plessey Co Plc Fibre optic sensor
JP2667507B2 (ja) * 1989-04-28 1997-10-27 株式会社フジクラ 火災検知装置
DE4011440A1 (de) * 1990-04-09 1991-10-10 Reinshagen Kabelwerk Gmbh Sensorelement, insbesondere sensorkabel
DE4041169A1 (de) * 1990-12-21 1992-07-02 Reinshagen Kabelwerk Gmbh Kabel zur ortung von fluessigkeiten
JPH06307953A (ja) * 1993-04-27 1994-11-04 Hitachi Ltd 物理量検出装置
US5419636A (en) * 1993-08-12 1995-05-30 Sandia Corporation Microbend fiber-optic temperature sensor
US5831263A (en) * 1994-04-26 1998-11-03 Hitachi, Ltd. In-cylinder pressure sensing apparatus for multi-cylinder engine
US5411566A (en) * 1994-06-08 1995-05-02 At&T Corp. Optical fiber spatial mode converter using periodic core deformation
US5648724A (en) * 1996-02-08 1997-07-15 U.S. Army Corps Of Engineers As Represented By The Secretary Of The Army Metallic time-domain reflectometry roof moisture sensor
US6429421B1 (en) 2000-01-21 2002-08-06 Luna Innovations, Inc. Flexible fiber optic microbend device, with interlocking flexible fibers, sensors, and method use
DE10141488B4 (de) * 2001-08-24 2007-09-13 Schwan-Stabilo Schwanhäusser Gmbh & Co. Kg Stift
NO315342B1 (no) * 2001-12-27 2003-08-18 Optoplan As Fiberoptisk sensor
US6778715B2 (en) * 2002-11-06 2004-08-17 Fitel U.S.A. Corp. Optical fiber-based device with tunable birefringence
CA2424708A1 (en) * 2003-04-08 2004-10-08 Lee A. Danisch A method and apparatus for sensing impact between a vehicle and an object
US20060204164A1 (en) * 2005-03-08 2006-09-14 Gennadii Ivtsenkov Low cost fiber-optic gage and associated multi-channel all-optical data collecting system
JP2007064716A (ja) * 2005-08-30 2007-03-15 Hitachi Cable Ltd 衝突検知センサ
JP4891620B2 (ja) * 2006-01-17 2012-03-07 日立電線株式会社 衝撃検知センサ
CN100543498C (zh) * 2007-11-14 2009-09-23 山东大学 隧道掌子面前方探水感应装置
US11994417B2 (en) * 2018-08-30 2024-05-28 Nec Corporation Utility pole deterioration detection system, utility pole deterioration detection apparatus, utility pole deterioration detection method, and non-transitory computer readable medium
GB201814891D0 (en) * 2018-09-13 2018-10-31 Optasense Holdings Ltd Fibre optic cables
CN114894225B (zh) * 2022-07-13 2022-09-30 安徽省国盛量子科技有限公司 基于光纤微弯技术的分布式光纤传感器及制作方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891302A (en) * 1973-09-28 1975-06-24 Western Electric Co Method of filtering modes in optical waveguides
US4179187A (en) * 1977-08-12 1979-12-18 Corning Glass Works Multiple mode waveguide having cylindrical perturbations
US4372647A (en) * 1979-10-08 1983-02-08 Nippon Telegraph & Telephone Public Corporation Single mode optical fibers
US4443700A (en) * 1980-02-01 1984-04-17 Pedro B. Macedo Optical sensing apparatus and method
JPS5762004A (en) * 1980-05-30 1982-04-14 Showa Electric Wire & Cable Co Ltd Optical fiber for detecting oil leakage
US4372646A (en) * 1980-07-31 1983-02-08 Rockwell International Corporation Birefringent electromagnetic transmission line that preserves the state of polarized radiation propagating therein
JPS57133407A (en) * 1981-02-12 1982-08-18 Fujitsu Ltd Optical fiber
US4654520A (en) * 1981-08-24 1987-03-31 Griffiths Richard W Structural monitoring system using fiber optics
JPS59211820A (ja) * 1983-05-16 1984-11-30 Sumitomo Electric Ind Ltd センサ−形光フアイバ
US4701614A (en) * 1984-06-25 1987-10-20 Spectran Corporation Fiber optic pressure sensor
SE443656B (sv) * 1984-07-20 1986-03-03 Ericsson Telefon Ab L M Mikrobojkenslig optisk fiberkabel
US4634856A (en) * 1984-08-03 1987-01-06 The United States Of America As Represented By The United States Department Of Energy Fiber optic moisture sensor with moisture-absorbing reflective target

Also Published As

Publication number Publication date
US4846547A (en) 1989-07-11
CA1289793C (fr) 1991-10-01
EP0238440B1 (de) 1990-11-07
ATE58238T1 (de) 1990-11-15
EP0238440A1 (de) 1987-09-23
CH666552A5 (fr) 1988-07-29
JPS62217205A (ja) 1987-09-24

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: SPARING, K., DIPL.-ING. ROEHL, W., DIPL.-PHYS. DR.RER.NAT. HENSELER, D., DIPL.-MIN. DR.RER.NAT., PAT.-ANWAELTE, 4000 DUESSELDORF

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee