DE69527051D1 - Lichtwellenleiterverformungssensor und dessen herstellung - Google Patents

Lichtwellenleiterverformungssensor und dessen herstellung

Info

Publication number
DE69527051D1
DE69527051D1 DE69527051T DE69527051T DE69527051D1 DE 69527051 D1 DE69527051 D1 DE 69527051D1 DE 69527051 T DE69527051 T DE 69527051T DE 69527051 T DE69527051 T DE 69527051T DE 69527051 D1 DE69527051 D1 DE 69527051D1
Authority
DE
Germany
Prior art keywords
manufacture
optical fiber
deformation sensor
fiber deformation
sensor
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 - Lifetime
Application number
DE69527051T
Other languages
English (en)
Inventor
Georges Borak
Carl Kull
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE69527051D1 publication Critical patent/DE69527051D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/10—Non-chemical treatment
    • C03B37/14—Re-forming fibres or filaments, i.e. changing their shape
    • C03B37/15—Re-forming fibres or filaments, i.e. changing their shape with heat application, e.g. for making optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
    • 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
    • G01L1/243—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 using means for applying force perpendicular to the fibre axis
    • G01L1/245—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 using means for applying force perpendicular to the fibre axis using microbending
    • 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
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2552—Splicing of light guides, e.g. by fusion or bonding reshaping or reforming of light guides for coupling using thermal heating, e.g. tapering, forming of a lens on light guide ends
    • 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
    • G02B6/2835—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 formed or shaped by thermal treatment, e.g. couplers
    • G02B2006/2839—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 formed or shaped by thermal treatment, e.g. couplers fabricated from double or twin core fibres
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02071—Mechanically induced gratings, e.g. having microbends

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
DE69527051T 1994-03-15 1995-03-15 Lichtwellenleiterverformungssensor und dessen herstellung Expired - Lifetime DE69527051D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9400873A SE502553C2 (sv) 1994-03-15 1994-03-15 Optisk fiber för sensorändamål och sätt att framställa den optiska fibern
PCT/SE1995/000265 WO1995025258A1 (en) 1994-03-15 1995-03-15 Fiber optical strain sensor and the manufacture thereof

Publications (1)

Publication Number Publication Date
DE69527051D1 true DE69527051D1 (de) 2002-07-18

Family

ID=20393287

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69527051T Expired - Lifetime DE69527051D1 (de) 1994-03-15 1995-03-15 Lichtwellenleiterverformungssensor und dessen herstellung

Country Status (9)

Country Link
US (1) US6003340A (de)
EP (1) EP0750734B1 (de)
JP (1) JP3187840B2 (de)
CN (1) CN1060266C (de)
AU (1) AU2089595A (de)
DE (1) DE69527051D1 (de)
FI (1) FI109490B (de)
SE (1) SE502553C2 (de)
WO (1) WO1995025258A1 (de)

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KR100342191B1 (ko) 1999-03-11 2002-06-27 윤종용 미소굴곡에 의한 광섬유 격자 제작장치 및 그 방법
WO2002033464A1 (en) * 2000-10-18 2002-04-25 Amherst Holding Co. Low reflection optical fiber terminators
EP1249692A1 (de) * 2001-04-12 2002-10-16 Fos Sàrl Faseroptisches Gerät zur Spannungsmessung
US20030121289A1 (en) * 2002-01-02 2003-07-03 Benda John A. Long period fiber Bragg gratings written with alternate side IR laser illumination
US7184625B2 (en) * 2003-02-11 2007-02-27 Luxtera, Inc Optical waveguide grating coupler incorporating reflective optical elements and anti-reflection elements
CA2424820C (en) * 2003-04-08 2010-06-22 Institut National D'optique Prismatic reflection optical waveguide device
GB0500305D0 (en) 2005-01-08 2005-02-16 Dunlop Aerospace Ltd Electrically actuated aircraft brakes
WO2007077419A1 (en) * 2006-01-05 2007-07-12 University Of Southampton Optical fibre with angled core
CA2762084A1 (en) * 2008-09-10 2010-03-18 Lake Shore Cryotronics, Inc. Compact fiber optic sensors and method of making same
US9770862B2 (en) 2008-09-10 2017-09-26 Kyton, Llc Method of making adhesion between an optical waveguide structure and thermoplastic polymers
US9138948B2 (en) * 2008-09-10 2015-09-22 Kyton, Llc Suspended and compact fiber optic sensors
US8655117B2 (en) 2011-03-11 2014-02-18 University of Maribor Optical fiber sensors having long active lengths, systems, and methods
US8655123B2 (en) 2011-03-11 2014-02-18 University of Maribor In-line optical fiber devices, optical systems, and methods
US9582072B2 (en) 2013-09-17 2017-02-28 Medibotics Llc Motion recognition clothing [TM] with flexible electromagnetic, light, or sonic energy pathways
US10321873B2 (en) 2013-09-17 2019-06-18 Medibotics Llc Smart clothing for ambulatory human motion capture
US10716510B2 (en) 2013-09-17 2020-07-21 Medibotics Smart clothing with converging/diverging bend or stretch sensors for measuring body motion or configuration
US9588582B2 (en) 2013-09-17 2017-03-07 Medibotics Llc Motion recognition clothing (TM) with two different sets of tubes spanning a body joint
US10602965B2 (en) 2013-09-17 2020-03-31 Medibotics Wearable deformable conductive sensors for human motion capture including trans-joint pitch, yaw, and roll
CN103558663A (zh) * 2013-11-09 2014-02-05 哈尔滨工业大学 S形光子晶体光纤锥传感器及其制备方法
JP6268977B2 (ja) * 2013-11-25 2018-01-31 住友電気工業株式会社 屈曲光ファイバの製造方法
JP6417710B2 (ja) * 2014-05-20 2018-11-07 住友電気工業株式会社 屈曲光ファイバ製造方法
CN107123477B (zh) * 2017-05-17 2020-11-03 北京恒润生工程科技有限公司 基于光纤微弯设计的既有铁路贯通地线防盗系统
EP3717944A4 (de) 2017-11-29 2021-08-11 Cornell University Wellenleiter und darauf basierender sensor
CN111141432B (zh) * 2019-12-24 2021-08-10 中天科技光纤有限公司 光纤压力传感器及其测试方法
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

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US3977855A (en) * 1971-06-11 1976-08-31 American Optical Corporation Method of making fiber optic device
US4208363A (en) * 1972-11-28 1980-06-17 Izon Corporation Method of making a plurality of adjacent light pipe elements
GB1404375A (en) * 1973-02-26 1975-08-28 Rank Organisation Ltd Display devices
US4028081A (en) * 1975-12-11 1977-06-07 Bell Telephone Laboratories, Incorporated Method for manufacturing helical optical fiber
JPS5727211A (en) * 1980-07-28 1982-02-13 Fujitsu Ltd Fiber mode scrambler
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CH660801A5 (fr) * 1984-12-14 1987-06-15 Maillefer Sa Procede de fabrication d'un element de cablage a fibre optique, installation pour la mise en oeuvre du procede et element de cablage obtenu par ce procede.
US4763272A (en) * 1987-03-29 1988-08-09 The United States Of America As Represented By The Secretary Of The Navy Automated and computer controlled precision method of fused elongated optical fiber coupler fabrication
US4808204A (en) * 1987-06-25 1989-02-28 Polysoft Systems Corp. Method and apparatus for producing bends in optical fibers
US4820321A (en) * 1987-08-13 1989-04-11 American Telephone And Telegraph Company Method and apparatus for fabricating an expanded beam cylindrically terminated optical fiber taper
JPH01173834A (ja) * 1987-12-28 1989-07-10 Mitsubishi Cable Ind Ltd 液体検知センサの製造方法
US5163988A (en) * 1990-04-03 1992-11-17 Fujikura Ltd. Method of preventing twisting of a fushion-spliced, tube-removed fiber portion in the process of encasing the fiber portion in a casing
DE4013831A1 (de) * 1990-04-30 1991-10-31 Fibronix Sensoren Gmbh Lichtleiterverzweiger und seine herstellung
US5132529A (en) * 1990-08-23 1992-07-21 The United States Of America As Represented By The United States Department Of Energy Fiber-optic strain gauge with attached ends and unattached microbend section
FR2683053B1 (fr) * 1991-10-29 1994-10-07 Thomson Csf Fibre optique et procede de fabrication.
US5411566A (en) * 1994-06-08 1995-05-02 At&T Corp. Optical fiber spatial mode converter using periodic core deformation
US5694497A (en) * 1995-06-19 1997-12-02 The United States Of America As Represented By The Secretary Of The Navy Intrinsically self deforming fiber optic microbend pressure and strain sensor
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Also Published As

Publication number Publication date
JP3187840B2 (ja) 2001-07-16
US6003340A (en) 1999-12-21
CN1060266C (zh) 2001-01-03
CN1143999A (zh) 1997-02-26
EP0750734A1 (de) 1997-01-02
SE9400873L (sv) 1995-09-16
WO1995025258A1 (en) 1995-09-21
AU2089595A (en) 1995-10-03
FI109490B (fi) 2002-08-15
FI963625A (fi) 1996-09-13
SE9400873D0 (sv) 1994-03-15
EP0750734B1 (de) 2002-06-12
SE502553C2 (sv) 1995-11-13
FI963625A0 (fi) 1996-09-13
JPH09510542A (ja) 1997-10-21

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Legal Events

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8332 No legal effect for de