GB2250811B - Optical fibre sensor - Google Patents

Optical fibre sensor

Info

Publication number
GB2250811B
GB2250811B GB9026918A GB9026918A GB2250811B GB 2250811 B GB2250811 B GB 2250811B GB 9026918 A GB9026918 A GB 9026918A GB 9026918 A GB9026918 A GB 9026918A GB 2250811 B GB2250811 B GB 2250811B
Authority
GB
United Kingdom
Prior art keywords
optical fibre
fibre sensor
sensor
optical
fibre
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
GB9026918A
Other versions
GB9026918D0 (en
GB2250811A (en
Inventor
James Mark Naden
Mark James Parry
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.)
STC PLC
Alcatel Submarine Networks UK Ltd
Nortel Networks Optical Components Ltd
Original Assignee
STC PLC
Northern Telecom Europe Ltd
STC Submarine Systems Ltd
STC Ltd
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 STC PLC, Northern Telecom Europe Ltd, STC Submarine Systems Ltd, STC Ltd filed Critical STC PLC
Priority to GB9026918A priority Critical patent/GB2250811B/en
Publication of GB9026918D0 publication Critical patent/GB9026918D0/en
Publication of GB2250811A publication Critical patent/GB2250811A/en
Application granted granted Critical
Publication of GB2250811B publication Critical patent/GB2250811B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • G01D5/35374—Particular layout of the fiber
GB9026918A 1990-12-11 1990-12-11 Optical fibre sensor Expired - Fee Related GB2250811B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9026918A GB2250811B (en) 1990-12-11 1990-12-11 Optical fibre sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9026918A GB2250811B (en) 1990-12-11 1990-12-11 Optical fibre sensor

Publications (3)

Publication Number Publication Date
GB9026918D0 GB9026918D0 (en) 1991-01-30
GB2250811A GB2250811A (en) 1992-06-17
GB2250811B true GB2250811B (en) 1994-03-02

Family

ID=10686851

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9026918A Expired - Fee Related GB2250811B (en) 1990-12-11 1990-12-11 Optical fibre sensor

Country Status (1)

Country Link
GB (1) GB2250811B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9409553D0 (en) * 1994-04-28 1994-06-29 British Aerospace Crack detection system
CN100340839C (en) * 2005-09-27 2007-10-03 天津大学 Fibre-optical strain measuring device and method thereof
FR2910614B1 (en) * 2006-12-22 2009-03-06 Oxand Sa METHOD AND SYSTEM FOR IDENTIFYING THE RISK OF FAILURE OF A CONTAINMENT WORK.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0245753A2 (en) * 1986-05-09 1987-11-19 Fujikura Ltd. Water penetration-detecting apparatus and optical fiber cable using same

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0245753A2 (en) * 1986-05-09 1987-11-19 Fujikura Ltd. Water penetration-detecting apparatus and optical fiber cable using same

Also Published As

Publication number Publication date
GB9026918D0 (en) 1991-01-30
GB2250811A (en) 1992-06-17

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee