GB0311333D0 - Optic communication or transmission media sensing - Google Patents

Optic communication or transmission media sensing

Info

Publication number
GB0311333D0
GB0311333D0 GB0311333A GB0311333A GB0311333D0 GB 0311333 D0 GB0311333 D0 GB 0311333D0 GB 0311333 A GB0311333 A GB 0311333A GB 0311333 A GB0311333 A GB 0311333A GB 0311333 D0 GB0311333 D0 GB 0311333D0
Authority
GB
United Kingdom
Prior art keywords
transmission media
optic communication
media sensing
sensing
optic
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Withdrawn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
GB0311333A
Other versions
GB2401738A (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.)
University of Southampton
Original Assignee
Radiodetection 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 Radiodetection Ltd filed Critical Radiodetection Ltd
Priority to GB0311333A priority Critical patent/GB2401738A/en
Publication of GB0311333D0 publication Critical patent/GB0311333D0/en
Priority to PCT/GB2004/002095 priority patent/WO2004102840A1/en
Publication of GB2401738A publication Critical patent/GB2401738A/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Withdrawn legal-status Critical Current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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB0311333A 2003-05-16 2003-05-16 Optical fibre sensor Withdrawn GB2401738A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0311333A GB2401738A (en) 2003-05-16 2003-05-16 Optical fibre sensor
PCT/GB2004/002095 WO2004102840A1 (en) 2003-05-16 2004-05-14 Optic communication or transmission media sensing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0311333A GB2401738A (en) 2003-05-16 2003-05-16 Optical fibre sensor

Publications (2)

Publication Number Publication Date
GB0311333D0 true GB0311333D0 (en) 2003-06-25
GB2401738A GB2401738A (en) 2004-11-17

Family

ID=9958241

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0311333A Withdrawn GB2401738A (en) 2003-05-16 2003-05-16 Optical fibre sensor

Country Status (2)

Country Link
GB (1) GB2401738A (en)
WO (1) WO2004102840A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106289726A (en) * 2016-07-14 2017-01-04 北京航空航天大学 A kind of photon band-gap optical fiber backscattering distributed measurement method and device

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7667849B2 (en) 2003-09-30 2010-02-23 British Telecommunications Public Limited Company Optical sensor with interferometer for sensing external physical disturbance of optical communications link
GB0322859D0 (en) 2003-09-30 2003-10-29 British Telecomm Communication
GB0407386D0 (en) 2004-03-31 2004-05-05 British Telecomm Monitoring a communications link
GB0421747D0 (en) 2004-09-30 2004-11-03 British Telecomm Distributed backscattering
US7848645B2 (en) 2004-09-30 2010-12-07 British Telecommunications Public Limited Company Identifying or locating waveguides
RU2450397C2 (en) 2004-12-16 2012-05-10 Фектроникс Аг Laser system
GB0427733D0 (en) 2004-12-17 2005-01-19 British Telecomm Optical system
CA2589792A1 (en) 2004-12-17 2006-06-22 British Telecommunications Public Limited Company Assessing a network
GB0504579D0 (en) 2005-03-04 2005-04-13 British Telecomm Communications system
WO2006092606A1 (en) 2005-03-04 2006-09-08 British Telecommunications Public Limited Company Acousto-optical modulator arrangement
EP1708388A1 (en) 2005-03-31 2006-10-04 British Telecommunications Public Limited Company Communicating information
EP1713301A1 (en) 2005-04-14 2006-10-18 BRITISH TELECOMMUNICATIONS public limited company Method and apparatus for communicating sound over an optical link
EP1729096A1 (en) 2005-06-02 2006-12-06 BRITISH TELECOMMUNICATIONS public limited company Method and apparatus for determining the position of a disturbance in an optical fibre
US7961331B2 (en) 2006-02-24 2011-06-14 British Telecommunications Public Limited Company Sensing a disturbance along an optical path
DE602007013874D1 (en) 2006-02-24 2011-05-26 British Telecomm DETECTING A FAULT
EP1826924A1 (en) 2006-02-24 2007-08-29 BRITISH TELECOMMUNICATIONS public limited company Sensing a disturbance
WO2007113527A1 (en) 2006-04-03 2007-10-11 British Telecommunications Public Limited Company Evaluating the position of a disturbance
GB2517322B (en) * 2009-05-27 2016-02-24 Silixa Ltd Apparatus for optical sensing
GB201122331D0 (en) 2011-12-23 2012-02-01 Qinetiq Ltd Location and monitoring of undersea cables
WO2013103908A1 (en) 2012-01-06 2013-07-11 Schlumberger Canada Limited Optical fiber well deployment for seismic surveying
CN103229432B (en) * 2012-12-24 2016-08-03 华为技术有限公司 Optical fiber characteristic measurement method and optical module
GB2532031A (en) * 2014-11-05 2016-05-11 Cambridge Consultants System and method for detecting a change in shape of at least one predefined region of an optical fibre
US10563970B2 (en) 2018-03-30 2020-02-18 International Business Machines Corporation Smart cable enclosure incorporating mechanical strain, measurement, storage, transmission and interpretation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126820B (en) * 1982-07-17 1986-03-26 Plessey Co Plc An optical sensing system
NL8401361A (en) * 1984-04-27 1985-11-18 Tno Distortion detector for pipelines, building materials etc. - uses optical fibre placed along object so that distortion causes change in transmission characteristics
GB2165118B (en) * 1984-09-29 1988-01-20 Plessey Co Plc Otdr for sensing distortions in optical fibres
GB2190186B (en) * 1986-05-09 1990-12-19 Dr Jeremy Kenneth Arth Everard Greatly enhanced spatial detection of optical backscatter for sensor applications
CH677281A5 (en) * 1988-08-30 1991-04-30 Asea Brown Boveri Optical time domain reflectometry system - uses complementary pseudo-random pulse sequence for compensating reflections
GB8918862D0 (en) * 1989-08-18 1989-09-27 British Telecomm Line monitoring system
DE19618685C2 (en) * 1996-05-09 1998-05-07 Daimler Benz Aerospace Airbus Method and arrangement for temperature detection in rooms, in particular in passenger or cargo compartments in aircraft
GB9620288D0 (en) * 1996-09-28 1996-11-13 Univ Strathclyde Automatic fault location in cabling systems
JP3439323B2 (en) * 1997-06-18 2003-08-25 安藤電気株式会社 Test equipment for multi-stage multi-branch optical line
JP3085246B2 (en) * 1997-06-27 2000-09-04 安藤電気株式会社 Optical fiber distortion measuring device and optical fiber distortion measuring method
US6785004B2 (en) * 2000-11-29 2004-08-31 Weatherford/Lamb, Inc. Method and apparatus for interrogating fiber optic sensors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106289726A (en) * 2016-07-14 2017-01-04 北京航空航天大学 A kind of photon band-gap optical fiber backscattering distributed measurement method and device
CN106289726B (en) * 2016-07-14 2018-08-24 北京航空航天大学 A kind of photon band-gap optical fiber backscattering distributed measurement method and device

Also Published As

Publication number Publication date
WO2004102840A1 (en) 2004-11-25
GB2401738A (en) 2004-11-17

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: UNIVERSITY OF SOUTHAMPTON

Free format text: FORMER APPLICANT(S): RADIODETECTION LIMITED

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