GB8526125D0 - Optical fibre reflectometer - Google Patents

Optical fibre reflectometer

Info

Publication number
GB8526125D0
GB8526125D0 GB858526125A GB8526125A GB8526125D0 GB 8526125 D0 GB8526125 D0 GB 8526125D0 GB 858526125 A GB858526125 A GB 858526125A GB 8526125 A GB8526125 A GB 8526125A GB 8526125 D0 GB8526125 D0 GB 8526125D0
Authority
GB
United Kingdom
Prior art keywords
reflectometer
optical fibre
fibre
optical
fibre reflectometer
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.)
Withdrawn
Application number
GB858526125A
Other versions
GB2182223A (en
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
Original Assignee
STC PLC
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 filed Critical STC PLC
Priority to GB08526125A priority Critical patent/GB2182223A/en
Publication of GB8526125D0 publication Critical patent/GB8526125D0/en
Publication of GB2182223A publication Critical patent/GB2182223A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
    • 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
    • G01D5/35383—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 multiple sensor devices using multiplexing techniques
GB08526125A 1985-10-23 1985-10-23 Optical fibre reflectometer Withdrawn GB2182223A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08526125A GB2182223A (en) 1985-10-23 1985-10-23 Optical fibre reflectometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08526125A GB2182223A (en) 1985-10-23 1985-10-23 Optical fibre reflectometer

Publications (2)

Publication Number Publication Date
GB8526125D0 true GB8526125D0 (en) 1985-11-27
GB2182223A GB2182223A (en) 1987-05-07

Family

ID=10587110

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08526125A Withdrawn GB2182223A (en) 1985-10-23 1985-10-23 Optical fibre reflectometer

Country Status (1)

Country Link
GB (1) GB2182223A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108955857A (en) * 2018-06-29 2018-12-07 余姚舜宇智能光学技术有限公司 A kind of difference interference light channel structure and laser vibration measurer based on optical fiber

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8711108D0 (en) * 1987-05-11 1987-09-09 Marconi Co Ltd Signal processing device
AT392537B (en) * 1989-03-21 1991-04-25 Tabarelli Werner INTERFEROMETER ARRANGEMENT, ESPECIALLY FOR DISTANCE OR DETERMINATION OF A MOVING COMPONENT
JP6204272B2 (en) * 2014-06-05 2017-09-27 日本電信電話株式会社 Distance measuring device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2280072A1 (en) * 1974-07-26 1976-02-20 Douillie Remy MEASUREMENT PROCEDURE AND EQUIPMENT FOR LOCATING A BREAKAGE ON AN OPTICAL CABLE
FR2393287A1 (en) * 1977-05-31 1978-12-29 Cables De Lyon Geoffroy Delore ECHOMETER FOR LOCATING FAULTS AFFECTING LIGHT CONDUCTORS
GB2122337B (en) * 1982-05-18 1985-11-13 Nat Res Dev Fibre optic sensing device
GB2136113B (en) * 1983-03-05 1986-08-06 Plessey Co Plc Improvements relating to optical sensing systems
GB2147759B (en) * 1983-08-24 1987-04-15 Plessey Co Plc Optical sensor
GB2147758B (en) * 1983-08-24 1987-08-05 Plessey Co Plc Optical detecting and/or measuring

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108955857A (en) * 2018-06-29 2018-12-07 余姚舜宇智能光学技术有限公司 A kind of difference interference light channel structure and laser vibration measurer based on optical fiber
CN108955857B (en) * 2018-06-29 2024-03-26 余姚舜宇智能光学技术有限公司 Heterodyne interference light path structure and laser vibration meter based on optical fiber

Also Published As

Publication number Publication date
GB2182223A (en) 1987-05-07

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)