FR2520114A1 - Dispositif de localisation d'une cassure d'une fibre optique et utilisation d'un tel dispositif - Google Patents

Dispositif de localisation d'une cassure d'une fibre optique et utilisation d'un tel dispositif Download PDF

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Publication number
FR2520114A1
FR2520114A1 FR8200655A FR8200655A FR2520114A1 FR 2520114 A1 FR2520114 A1 FR 2520114A1 FR 8200655 A FR8200655 A FR 8200655A FR 8200655 A FR8200655 A FR 8200655A FR 2520114 A1 FR2520114 A1 FR 2520114A1
Authority
FR
France
Prior art keywords
fiber
break
light
signals
optical 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.)
Granted
Application number
FR8200655A
Other languages
English (en)
French (fr)
Other versions
FR2520114B1 (enrdf_load_stackoverflow
Inventor
Michel Eve
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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT SA
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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Priority to FR8200655A priority Critical patent/FR2520114A1/fr
Publication of FR2520114A1 publication Critical patent/FR2520114A1/fr
Application granted granted Critical
Publication of FR2520114B1 publication Critical patent/FR2520114B1/fr
Granted legal-status Critical Current

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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
    • 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
    • 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
    • G01M11/39—Testing of optical devices, constituted by fibre optics or optical waveguides in which light is projected from both sides of the fiber or waveguide end-face
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
    • G08B13/186—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using light guides, e.g. optical fibres
    • 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)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Burglar Alarm Systems (AREA)
FR8200655A 1982-01-18 1982-01-18 Dispositif de localisation d'une cassure d'une fibre optique et utilisation d'un tel dispositif Granted FR2520114A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8200655A FR2520114A1 (fr) 1982-01-18 1982-01-18 Dispositif de localisation d'une cassure d'une fibre optique et utilisation d'un tel dispositif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8200655A FR2520114A1 (fr) 1982-01-18 1982-01-18 Dispositif de localisation d'une cassure d'une fibre optique et utilisation d'un tel dispositif

Publications (2)

Publication Number Publication Date
FR2520114A1 true FR2520114A1 (fr) 1983-07-22
FR2520114B1 FR2520114B1 (enrdf_load_stackoverflow) 1984-08-24

Family

ID=9270052

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8200655A Granted FR2520114A1 (fr) 1982-01-18 1982-01-18 Dispositif de localisation d'une cassure d'une fibre optique et utilisation d'un tel dispositif

Country Status (1)

Country Link
FR (1) FR2520114A1 (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988008651A1 (en) * 1987-04-27 1988-11-03 British Telecommunications Public Limited Company Surveillance system
EP0213872A3 (en) * 1985-08-20 1988-11-23 York Ltd Optical time-domain reflectometry
EP0318043A1 (en) * 1987-11-27 1989-05-31 Anritsu Corporation Optical time domain reflectometer with automatic measuring function of optical fiber defects
EP0360812B1 (en) * 1987-05-07 1992-01-29 Porous Plastics Limited Method and apparatus for producing an article by microwave heating
EP1175743A4 (en) * 1999-05-03 2003-07-30 Future Fibre Tech Pty Ltd INTRINSIC PROTECTION OF FIBER OPTIC COMMUNICATION LINKS
GB2409942A (en) * 2004-01-12 2005-07-13 Radiodetection Ltd Optical time domain reflectometry with non-intrusive modulators
WO2010034988A1 (en) * 2008-09-23 2010-04-01 Schlumberger Holdings Limited Redundant optical fiber system and method for remotely monitoring the condition of a pipeline
CN101441129B (zh) * 2008-12-25 2010-06-09 哈尔滨工程大学 基于温度实验的光纤环性能测评系统
WO2012076873A2 (en) 2010-12-08 2012-06-14 Fotech Solutions Limited Distributed optical fibre sensor
WO2012164260A1 (en) * 2011-06-01 2012-12-06 Detection Technologies Ltd Security system, controller for a security system, transducing cable for a security system and method for detecting a disturbance and determining the location of the disturbance

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52118457A (en) * 1976-03-30 1977-10-04 Farmaceutici Italia Doxolbicinthioether
GB1497995A (en) * 1976-04-13 1978-01-12 Standard Telephones Cables Ltd Fibre optic acoustic monitoring arrangement
FR2393287A1 (fr) * 1977-05-31 1978-12-29 Cables De Lyon Geoffroy Delore Echometre pour la localisation de defauts affectant les conducteurs de lumiere

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52118457A (en) * 1976-03-30 1977-10-04 Farmaceutici Italia Doxolbicinthioether
GB1497995A (en) * 1976-04-13 1978-01-12 Standard Telephones Cables Ltd Fibre optic acoustic monitoring arrangement
FR2393287A1 (fr) * 1977-05-31 1978-12-29 Cables De Lyon Geoffroy Delore Echometre pour la localisation de defauts affectant les conducteurs de lumiere

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ABJP/79 *
EXBK/79 *

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0213872A3 (en) * 1985-08-20 1988-11-23 York Ltd Optical time-domain reflectometry
WO1988008651A1 (en) * 1987-04-27 1988-11-03 British Telecommunications Public Limited Company Surveillance system
EP0293086A1 (en) * 1987-04-27 1988-11-30 BRITISH TELECOMMUNICATIONS public limited company Surveillance system
US4961644A (en) * 1987-04-27 1990-10-09 British Telecommunications Public Limited Company Transmission line surveillance system measuring changes in phase of propagated signals
EP0360812B1 (en) * 1987-05-07 1992-01-29 Porous Plastics Limited Method and apparatus for producing an article by microwave heating
EP0318043A1 (en) * 1987-11-27 1989-05-31 Anritsu Corporation Optical time domain reflectometer with automatic measuring function of optical fiber defects
US4898463A (en) * 1987-11-27 1990-02-06 Anritsu Corporation Optical time domain reflectometer with automatic measuring function of optical fiber defects
EP1175743A4 (en) * 1999-05-03 2003-07-30 Future Fibre Tech Pty Ltd INTRINSIC PROTECTION OF FIBER OPTIC COMMUNICATION LINKS
GB2409942A (en) * 2004-01-12 2005-07-13 Radiodetection Ltd Optical time domain reflectometry with non-intrusive modulators
WO2010034988A1 (en) * 2008-09-23 2010-04-01 Schlumberger Holdings Limited Redundant optical fiber system and method for remotely monitoring the condition of a pipeline
US9784642B2 (en) 2008-09-23 2017-10-10 Onesubsea Ip Uk Limited Redundant optical fiber system and method for remotely monitoring the condition of a pipeline
CN101441129B (zh) * 2008-12-25 2010-06-09 哈尔滨工程大学 基于温度实验的光纤环性能测评系统
WO2012076873A2 (en) 2010-12-08 2012-06-14 Fotech Solutions Limited Distributed optical fibre sensor
WO2012076873A3 (en) * 2010-12-08 2012-10-04 Fotech Solutions Limited Distributed optical fibre sensor
US9110018B2 (en) 2010-12-08 2015-08-18 Fotech Solutions Limited Distributed optical fibre sensor
US9244009B2 (en) 2010-12-08 2016-01-26 Fotech Solutions Limited Distributed optical fibre sensor
EP3249366A1 (en) * 2010-12-08 2017-11-29 Fotech Solutions Limited Distributed optical fibre sensor
WO2012164260A1 (en) * 2011-06-01 2012-12-06 Detection Technologies Ltd Security system, controller for a security system, transducing cable for a security system and method for detecting a disturbance and determining the location of the disturbance

Also Published As

Publication number Publication date
FR2520114B1 (enrdf_load_stackoverflow) 1984-08-24

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