DE3072098D1 - Fiber optic strain sensor - Google Patents

Fiber optic strain sensor

Info

Publication number
DE3072098D1
DE3072098D1 DE8080901827T DE3072098T DE3072098D1 DE 3072098 D1 DE3072098 D1 DE 3072098D1 DE 8080901827 T DE8080901827 T DE 8080901827T DE 3072098 T DE3072098 T DE 3072098T DE 3072098 D1 DE3072098 D1 DE 3072098D1
Authority
DE
Germany
Prior art keywords
fiber optic
strain sensor
optic strain
sensor
fiber
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
Application number
DE8080901827T
Other languages
English (en)
Inventor
Gerald Meltz
Elias Snitzer
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of DE3072098D1 publication Critical patent/DE3072098D1/de
Expired 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
    • 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
    • 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
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/02—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means
    • G01L11/025—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means using a pressure-sensitive optical fibre
    • 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
    • G02B6/02042—Multicore optical fibres
DE8080901827T 1979-08-30 1980-08-15 Fiber optic strain sensor Expired DE3072098D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7151279A 1979-08-30 1979-08-30
US06/162,283 US4295738A (en) 1979-08-30 1980-06-23 Fiber optic strain sensor
PCT/US1980/001060 WO1981000618A1 (en) 1979-08-30 1980-08-15 Fiber optic strain sensor

Publications (1)

Publication Number Publication Date
DE3072098D1 true DE3072098D1 (en) 1988-07-14

Family

ID=26752308

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080901827T Expired DE3072098D1 (en) 1979-08-30 1980-08-15 Fiber optic strain sensor

Country Status (9)

Country Link
US (1) US4295738A (de)
EP (1) EP0034181B1 (de)
JP (1) JPS6351243B2 (de)
BR (1) BR8008813A (de)
DE (1) DE3072098D1 (de)
FI (1) FI71842C (de)
IL (1) IL60936A (de)
IT (1) IT1132588B (de)
WO (1) WO1981000618A1 (de)

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FI802733A (fi) 1981-03-01
EP0034181A4 (de) 1982-12-27
US4295738A (en) 1981-10-20
WO1981000618A1 (en) 1981-03-05
FI71842B (fi) 1986-10-31
JPS6351243B2 (de) 1988-10-13
BR8008813A (pt) 1981-06-23
JPS56501773A (de) 1981-12-03
EP0034181A1 (de) 1981-08-26
EP0034181B1 (de) 1988-06-08
IL60936A (en) 1984-11-30
IT1132588B (it) 1986-07-02
IL60936A0 (en) 1980-10-26
FI71842C (fi) 1987-02-09
IT8024368A0 (it) 1980-08-29

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