DE60013669D1 - Verfahren und Vorrichtung zur Bestimmung des optischen Bedrohungsabstands in einer optischen Faser - Google Patents

Verfahren und Vorrichtung zur Bestimmung des optischen Bedrohungsabstands in einer optischen Faser

Info

Publication number
DE60013669D1
DE60013669D1 DE60013669T DE60013669T DE60013669D1 DE 60013669 D1 DE60013669 D1 DE 60013669D1 DE 60013669 T DE60013669 T DE 60013669T DE 60013669 T DE60013669 T DE 60013669T DE 60013669 D1 DE60013669 D1 DE 60013669D1
Authority
DE
Germany
Prior art keywords
optical
determining
optical fiber
threat distance
distance
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 - Lifetime
Application number
DE60013669T
Other languages
English (en)
Other versions
DE60013669T2 (de
Inventor
Hossein Eslamboichi
John Sinclair Huffman
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.)
AT&T Corp
Original Assignee
AT&T 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 AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE60013669D1 publication Critical patent/DE60013669D1/de
Publication of DE60013669T2 publication Critical patent/DE60013669T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • 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
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07955—Monitoring or measuring power

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
  • Optical Communication System (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
DE60013669T 1999-03-17 2000-01-24 Verfahren und Vorrichtung zur Bestimmung des optischen Bedrohungsabstands in einer optischen Faser Expired - Lifetime DE60013669T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/271,305 US6148123A (en) 1999-03-17 1999-03-17 Method and apparatus for measuring optical distances
US271305 1999-03-17

Publications (2)

Publication Number Publication Date
DE60013669D1 true DE60013669D1 (de) 2004-10-21
DE60013669T2 DE60013669T2 (de) 2005-08-18

Family

ID=23035024

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60013669T Expired - Lifetime DE60013669T2 (de) 1999-03-17 2000-01-24 Verfahren und Vorrichtung zur Bestimmung des optischen Bedrohungsabstands in einer optischen Faser

Country Status (4)

Country Link
US (1) US6148123A (de)
EP (1) EP1037410B1 (de)
CA (1) CA2299766C (de)
DE (1) DE60013669T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0322859D0 (en) 2003-09-30 2003-10-29 British Telecomm Communication
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
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
EP1794904A1 (de) * 2004-09-30 2007-06-13 British Telecommunications Public Limited Company Identifizieren oder lokalisieren von wellenleitern
US7711264B1 (en) * 2004-12-08 2010-05-04 At&T Intellectual Property Ii, L.P. Local area warning of optical fiber intrusion
EP1825613B1 (de) * 2004-12-17 2011-02-16 BRITISH TELECOMMUNICATIONS public limited company Netzwerkbeurteilung
GB0427733D0 (en) 2004-12-17 2005-01-19 British Telecomm Optical system
DE602006007442D1 (de) 2005-03-04 2009-08-06 British Telecomm Public Ltd Co Akustooptische modulatoranordnung
GB0504579D0 (en) 2005-03-04 2005-04-13 British Telecomm Communications system
EP1708388A1 (de) * 2005-03-31 2006-10-04 British Telecommunications Public Limited Company Verfahren zum Mitteilen von Informationen
EP1713301A1 (de) 2005-04-14 2006-10-18 BRITISH TELECOMMUNICATIONS public limited company Verfahren und Gerät zur Schallübertragung über eine optische Verbindung
EP1729096A1 (de) 2005-06-02 2006-12-06 BRITISH TELECOMMUNICATIONS public limited company Verfahren und Vorrichtung zur Ermittlung der Stelle einer Störung in einer optischen Faser
CA2567233A1 (en) * 2005-11-08 2007-05-08 Oz Optics Ltd. Fault detection in optical fibers
US7961331B2 (en) 2006-02-24 2011-06-14 British Telecommunications Public Limited Company Sensing a disturbance along an optical path
EP1826924A1 (de) 2006-02-24 2007-08-29 BRITISH TELECOMMUNICATIONS public limited company Abtastung einer Störung
WO2007096578A1 (en) 2006-02-24 2007-08-30 British Telecommunications Public Limited Company Sensing a disturbance
CN101410696B (zh) 2006-04-03 2011-01-05 英国电讯有限公司 干扰位置的估计
US9234999B2 (en) * 2010-12-21 2016-01-12 Shell Oil Company System and method for making distributed measurements using fiber optic cable
AU2011351365B2 (en) * 2010-12-31 2015-05-07 Shell Internationale Research Maatschappij B.V. Method and system for determining the location of a fiber optic channel along the length of a fiber optic cable
GB201122331D0 (en) * 2011-12-23 2012-02-01 Qinetiq Ltd Location and monitoring of undersea cables
US9954609B2 (en) * 2012-12-31 2018-04-24 Network Integrity Systems Inc. Alarm system for an optical network
CN104780000B (zh) * 2015-03-23 2018-05-25 北京千禧维讯科技有限公司 一种纤芯故障快速定位的方法
US10432302B1 (en) 2017-06-26 2019-10-01 Amazon Technologies, Inc. Bidirectional optical fiber auto-notifier test system
US11631308B2 (en) * 2020-09-11 2023-04-18 Network Integrity Systems, Inc. Test device for verifying operation of an optical fiber monitoring system by injection of longitudinal strain
US11502748B2 (en) * 2020-09-11 2022-11-15 Network Integrity Systems, Inc. Test device for verifying operation of an optical fiber monitoring system utilizing complex test signal
CN114295324B (zh) * 2021-12-27 2024-04-23 国网上海市电力公司 一种故障检测方法、装置、设备及存储介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4904050A (en) * 1988-08-31 1990-02-27 American Telephone And Telegraph Company, At&T Bell Laboratories Methods of and systems for optical fiber sensing
US5661246A (en) * 1996-04-01 1997-08-26 Wanser; Keith H. Fiber optic displacement sensor for high temperature environment
US5790285A (en) * 1996-05-21 1998-08-04 Lucent Technologies Inc. Lightwave communication monitoring system
US5778114A (en) * 1997-04-18 1998-07-07 Eslambolchi; Hossein Fiber analysis method and apparatus

Also Published As

Publication number Publication date
CA2299766A1 (en) 2000-09-17
DE60013669T2 (de) 2005-08-18
EP1037410A2 (de) 2000-09-20
CA2299766C (en) 2004-07-20
EP1037410A3 (de) 2002-11-13
US6148123A (en) 2000-11-14
EP1037410B1 (de) 2004-09-15

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Legal Events

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