CA2593628C - Apparatus and method for using a counter-propagating signal method for locating events - Google Patents

Apparatus and method for using a counter-propagating signal method for locating events Download PDF

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Publication number
CA2593628C
CA2593628C CA2593628A CA2593628A CA2593628C CA 2593628 C CA2593628 C CA 2593628C CA 2593628 A CA2593628 A CA 2593628A CA 2593628 A CA2593628 A CA 2593628A CA 2593628 C CA2593628 C CA 2593628C
Authority
CA
Canada
Prior art keywords
counter
signals
propagating
waveguide
polarisation
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
CA2593628A
Other languages
English (en)
French (fr)
Other versions
CA2593628A1 (en
Inventor
Jim Katsifolis
Lee J. Mcintosh
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.)
Future Fibre Technologies Pty Ltd
Original Assignee
Future Fibre Technologies Pty 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
Priority claimed from AU2005900109A external-priority patent/AU2005900109A0/en
Application filed by Future Fibre Technologies Pty Ltd filed Critical Future Fibre Technologies Pty Ltd
Publication of CA2593628A1 publication Critical patent/CA2593628A1/en
Application granted granted Critical
Publication of CA2593628C publication Critical patent/CA2593628C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • 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
    • 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
    • G01M11/02—Testing optical properties
    • 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
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/27—Optical coupling means with polarisation selective and adjusting means
    • G02B6/2753—Optical coupling means with polarisation selective and adjusting means characterised by their function or use, i.e. of the complete device
    • G02B6/2793—Controlling polarisation dependent loss, e.g. polarisation insensitivity, reducing the change in polarisation degree of the output light even if the input polarisation state fluctuates
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/2935—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means
    • G02B6/29352—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means in a light guide

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Burglar Alarm Systems (AREA)
CA2593628A 2005-01-11 2005-12-15 Apparatus and method for using a counter-propagating signal method for locating events Expired - Lifetime CA2593628C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2005900109A AU2005900109A0 (en) 2005-01-11 Apparatus and method for using a counter-propagating signal method for locating events
AU2005900109 2005-01-11
PCT/AU2005/001899 WO2006074502A1 (en) 2005-01-11 2005-12-15 Apparatus and method for using a counter-propagating signal method for locating events

Publications (2)

Publication Number Publication Date
CA2593628A1 CA2593628A1 (en) 2006-07-20
CA2593628C true CA2593628C (en) 2015-06-16

Family

ID=36677293

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2593628A Expired - Lifetime CA2593628C (en) 2005-01-11 2005-12-15 Apparatus and method for using a counter-propagating signal method for locating events

Country Status (11)

Country Link
US (2) US20060163457A1 (enExample)
EP (2) EP1836515A4 (enExample)
JP (1) JP5060310B2 (enExample)
KR (1) KR101243049B1 (enExample)
CN (1) CN100526925C (enExample)
CA (1) CA2593628C (enExample)
IL (1) IL184304A (enExample)
MX (1) MXPA05014099A (enExample)
RU (1) RU2398185C2 (enExample)
WO (1) WO2006074502A1 (enExample)
ZA (1) ZA200705625B (enExample)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN110926511A (zh) * 2019-12-06 2020-03-27 北京工业大学 一种宽带高分辨率光谱响应测量系统及方法

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US7499176B2 (en) * 2007-02-13 2009-03-03 Future Fibre Technologies Pty Ltd Apparatus and method for using a counter-propagating signal method for locating events
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JP7419949B2 (ja) * 2020-04-16 2024-01-23 富士通オプティカルコンポーネンツ株式会社 光伝送装置、光合波器及び光伝送方法
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RU2761370C1 (ru) * 2020-09-28 2021-12-07 Акционерное Общество "Институт "Оргэнергострой" Извещатель охранный волоконно-оптический с линейной частью с интерферометром с двумя плечами
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CN115164955B (zh) * 2022-07-26 2025-04-22 国网智能电网研究院有限公司 一种双马赫-曾德尔干涉仪的反馈环路控制方法及装置
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CN119642957B (zh) * 2025-02-20 2025-08-29 杭州声飞光电技术有限公司 分布式光纤声音传感系统、装置及声音探测方法

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110926511A (zh) * 2019-12-06 2020-03-27 北京工业大学 一种宽带高分辨率光谱响应测量系统及方法
CN110926511B (zh) * 2019-12-06 2021-11-26 北京工业大学 一种宽带高分辨率光谱响应测量方法

Also Published As

Publication number Publication date
EP2071374B1 (en) 2016-12-14
EP1836515A1 (en) 2007-09-26
KR20070105319A (ko) 2007-10-30
US20080291462A1 (en) 2008-11-27
HK1113825A1 (zh) 2008-10-17
JP5060310B2 (ja) 2012-10-31
US7499177B2 (en) 2009-03-03
ZA200705625B (en) 2008-09-25
IL184304A0 (en) 2007-10-31
US20060163457A1 (en) 2006-07-27
CN100526925C (zh) 2009-08-12
RU2398185C2 (ru) 2010-08-27
RU2007130725A (ru) 2009-02-20
JP2008527549A (ja) 2008-07-24
WO2006074502A1 (en) 2006-07-20
EP2071374A2 (en) 2009-06-17
IL184304A (en) 2011-11-30
CA2593628A1 (en) 2006-07-20
CN101142506A (zh) 2008-03-12
KR101243049B1 (ko) 2013-03-25
MXPA05014099A (es) 2006-07-10
EP2071374A3 (en) 2009-07-15
EP1836515A4 (en) 2009-07-01

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