IN167564B - - Google Patents

Info

Publication number
IN167564B
IN167564B IN645/CAL/87A IN645CA1987A IN167564B IN 167564 B IN167564 B IN 167564B IN 645CA1987 A IN645CA1987 A IN 645CA1987A IN 167564 B IN167564 B IN 167564B
Authority
IN
India
Application number
IN645/CAL/87A
Inventor
John William Berthold
Stuart Eugene Reed
Original Assignee
Babcock & Wilcox Co
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 Babcock & Wilcox Co filed Critical Babcock & Wilcox Co
Publication of IN167564B publication Critical patent/IN167564B/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/24Measuring 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
    • G01L1/242Measuring 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
    • G01L1/243Measuring 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
    • G01L1/245Measuring 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/16Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/18Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
IN645/CAL/87A 1986-10-30 1987-08-17 IN167564B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US92496286A 1986-10-30 1986-10-30

Publications (1)

Publication Number Publication Date
IN167564B true IN167564B (en) 1990-11-17

Family

ID=25450986

Family Applications (1)

Application Number Title Priority Date Filing Date
IN645/CAL/87A IN167564B (en) 1986-10-30 1987-08-17

Country Status (6)

Country Link
JP (1) JPS63117205A (en)
CN (1) CN1016100B (en)
AU (1) AU598858B2 (en)
CA (1) CA1299389C (en)
GB (1) GB2196735B (en)
IN (1) IN167564B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2650670A1 (en) * 1989-08-02 1991-02-08 Fiori Costantino System for detecting a fire or any other phenomenon generating an abnormal rise or fall in temperature with respect to a fixed reference
US5039218A (en) * 1990-03-28 1991-08-13 Hughes Aircraft Company Testing of optical fiber by introducing multiple simulated peel location bends
GB2250813A (en) * 1990-12-15 1992-06-17 British Aerospace Weighing apparatus for vehicles
JP3410101B2 (en) 1994-11-29 2003-05-26 ユナイテッド テクノロジーズ コーポレイション Coating annihilation detection by optical fiber Bragg grating
US7813598B2 (en) 2004-01-23 2010-10-12 Lm Glasfiber A/S Device including a system adapted for use in temperature compensation of strain measurements in fibre-reinforced structures
CN1300571C (en) * 2004-08-24 2007-02-14 西安科技大学 Snake type fiber-optical sensor burying and detecting method and its snake type fibre-optical sensor
CN101881633B (en) 2010-04-06 2012-11-28 西安金和光学科技有限公司 Spring type high-precision optical fiber sensor based on optical fiber bending loss
CN102221374B (en) * 2010-04-19 2015-07-15 西安金和光学科技有限公司 Fiber sensing device for sensing torque parameters
WO2012010099A1 (en) * 2010-07-21 2012-01-26 西安金和光学科技有限公司 Optic fiber cylinder sensor
CN102829901A (en) * 2011-06-14 2012-12-19 西安金和光学科技有限公司 Optical fiber sensing device waveform grooves and cylinder body
WO2014131951A1 (en) * 2013-02-28 2014-09-04 Osmos Sa Optical measurement device having a reference channel and a measurement channel, and related method
CN103604540B (en) * 2013-11-13 2015-06-10 中铁四局集团第一工程有限公司 Photoelectric stressometer
CN104359653B (en) * 2014-10-23 2015-08-12 河海大学 A kind of optical fiber single-direction and dual-direction bending curvature binary channels tracking and monitoring instrument and monitoring method
CN105606276B (en) * 2015-12-24 2018-06-12 中北大学 MEMS optical fiber micro-bending pressure sensors and preparation method thereof
CN106441661A (en) * 2016-12-02 2017-02-22 西南交通大学 Fiber grating force-measuring gasket and anchor rod force-measuring system
EP3578937A1 (en) * 2017-02-02 2019-12-11 Fujikura Ltd. Photodetector and method for manufacturing photodetector
CN109620186A (en) * 2019-01-30 2019-04-16 福州新易达光电科技有限公司 A kind of optical fiber micro-bending sensor for monitoring human vital sign parameter
GB2586974B (en) * 2019-09-06 2022-12-28 Nuron Ltd System for producing strain in a fibre
CN111707206B (en) * 2020-06-04 2022-03-18 哈尔滨工程大学 Quantum dot optical fiber micro-bending sensor with position detection function

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027540A3 (en) * 1979-09-11 1981-10-07 Hydroacoustics Inc. Optical sensor and transducer array system
US4436995A (en) * 1981-06-29 1984-03-13 General Electric Company Fiber optics transducers for sensing parameter magnitude
GB2125161A (en) * 1982-07-21 1984-02-29 Gen Electric Co Plc Optical fibre sensors
JPS5946805A (en) * 1982-09-11 1984-03-16 Diesel Kiki Co Ltd Displacement detector
IN165010B (en) * 1986-02-03 1989-07-29 Babcock & Wilcox Co
AU579041B2 (en) * 1986-05-09 1988-11-10 Thomas & Betts Corporation Method of and apparatus for fiber optic sensing
GB8704540D0 (en) * 1987-02-26 1987-04-01 Bicc Plc Optical sensors

Also Published As

Publication number Publication date
AU7889487A (en) 1988-05-05
CN87107210A (en) 1988-08-03
GB2196735A (en) 1988-05-05
GB2196735B (en) 1991-01-23
AU598858B2 (en) 1990-07-05
CA1299389C (en) 1992-04-28
JPS63117205A (en) 1988-05-21
CN1016100B (en) 1992-04-01
GB8719390D0 (en) 1987-09-23

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