FR2683960B1 - - Google Patents

Info

Publication number
FR2683960B1
FR2683960B1 FR9213861A FR9213861A FR2683960B1 FR 2683960 B1 FR2683960 B1 FR 2683960B1 FR 9213861 A FR9213861 A FR 9213861A FR 9213861 A FR9213861 A FR 9213861A FR 2683960 B1 FR2683960 B1 FR 2683960B1
Authority
FR
France
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 - Fee Related
Application number
FR9213861A
Other languages
French (fr)
Other versions
FR2683960A1 (fr
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 filed Critical
Publication of FR2683960A1 publication Critical patent/FR2683960A1/fr
Application granted granted Critical
Publication of FR2683960B1 publication Critical patent/FR2683960B1/fr
Granted 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)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR9213861A 1991-11-18 1992-11-18 Systeme et procede pour tester et controler des fibres optiques a lumiere reflechie. Granted FR2683960A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/793,595 US5251001A (en) 1991-11-18 1991-11-18 Reflected optical power fiber test system

Publications (2)

Publication Number Publication Date
FR2683960A1 FR2683960A1 (fr) 1993-05-21
FR2683960B1 true FR2683960B1 (US07943777-20110517-C00090.png) 1995-04-07

Family

ID=25160300

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9213861A Granted FR2683960A1 (fr) 1991-11-18 1992-11-18 Systeme et procede pour tester et controler des fibres optiques a lumiere reflechie.

Country Status (6)

Country Link
US (1) US5251001A (US07943777-20110517-C00090.png)
JP (1) JPH0658840A (US07943777-20110517-C00090.png)
CA (1) CA2083078A1 (US07943777-20110517-C00090.png)
DE (1) DE4238822A1 (US07943777-20110517-C00090.png)
FR (1) FR2683960A1 (US07943777-20110517-C00090.png)
GB (1) GB2261506B (US07943777-20110517-C00090.png)

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US5754284A (en) * 1996-10-09 1998-05-19 Exfo Electro-Optical Engineering Inc. Optical time domain reflectometer with internal reference reflector
US5966206A (en) * 1996-10-10 1999-10-12 Tyco Submarine Systems Ltd. Interlocked high power fiber system using OTDR
US5859695A (en) * 1997-12-23 1999-01-12 Honeywell Inc. Method of and system for characterization of fiber optic connections in situ
DE19808601A1 (de) * 1998-02-28 1999-09-09 Deutsche Telekom Ag Messverfahren für Einzelfasern von Kabeln
US6370294B1 (en) 1999-06-25 2002-04-09 Adc Telecommunications, Inc. Fiber optic circuit and module with switch
US6493124B1 (en) 1999-07-27 2002-12-10 Tellabs Operations, Inc. Looping back signals in optical switches
KR100325687B1 (ko) 1999-12-21 2002-02-25 윤덕용 주입된 비간섭성 광에 파장 잠김된 페브리-페롯 레이저다이오드를 이용한 파장분할 다중방식 광통신용 광원
EP1191714B1 (en) * 2000-09-22 2003-01-29 Alcatel Alsthom Compagnie Generale D'electricite Method for monitoring an optical waveguide, monitoring system and monitoring unit for said method
US7231145B2 (en) 2001-01-26 2007-06-12 Tellabs Operations Inc. Processing of optical performance data in an optical wavelength division multiplexed communication system
US6567580B2 (en) * 2001-02-01 2003-05-20 Triquint Technology Holding Co. Optical combiner system and method
US7058254B2 (en) 2001-03-16 2006-06-06 Nippon Sheet Glass Co., Ltd. Optical device, optical path switching device and optical path switching method
JP4676099B2 (ja) * 2001-08-06 2011-04-27 株式会社日立製作所 反射モニタ機能を備え反射検出可能な光切替装置、及び反射測定システム
BE1015198A4 (fr) * 2001-11-27 2004-11-09 Multitel Asbl Dispositif optique commutable permettant la maintenance des reseaux optiques passifs arborescents par analyse reflectometrique dans le domaine temporel.
KR100515259B1 (ko) * 2002-05-03 2005-09-15 한국과학기술원 파장 가변 광원 구현 방법 및 장치와 이 광원을 이용한 파장분할 다중방식 광전송 장치
US7593647B2 (en) * 2002-09-19 2009-09-22 Novera Optics, Inc. Apparatuses and methods for automatic wavelength locking of an optical transmitter to the wavelength of an injected incoherent light signal
WO2004034621A2 (en) * 2002-10-07 2004-04-22 Novera Optics, Inc. A wavelenght-division-multiplexing passive optical network utilizing fiber fault detectors and/or wavelenght tracking components
US7469102B2 (en) * 2002-10-07 2008-12-23 Novera Optics, Inc. Wavelength-division-multiplexing passive optical network utilizing fiber fault detectors and/or wavelength tracking components
KR100473520B1 (ko) * 2002-12-24 2005-03-10 한국과학기술원 외부 비간섭성 광원을 주입하여 파장 고정된 페브리-페롯레이저를 이용한 광 가입자 망
US7515626B2 (en) * 2003-05-29 2009-04-07 Novera Optics, Inc. Light source capable of lasing that is wavelength locked by an injected light signal
KR100955129B1 (ko) 2003-05-30 2010-04-28 정보통신연구진흥원 비간섭성　광대역　광원을 이용한 파장분할다중방식　수동형　광 네트워크 구현 방법
US7313157B2 (en) 2003-12-19 2007-12-25 Novera Optics, Inc. Integration of laser sources and detectors for a passive optical network
US7146073B2 (en) * 2004-07-19 2006-12-05 Quantronix Corporation Fiber delivery system with enhanced passive fiber protection and active monitoring
US20060153566A1 (en) * 2005-01-13 2006-07-13 Sorin Wayne V Methods and apparatuses to provide a wavelength-division-multiplexing passive optical network with asymmetric data rates
US7620320B2 (en) * 2005-02-14 2009-11-17 Lsi Corporation Fibre selective control switch system
DE102005028844B4 (de) * 2005-06-22 2007-07-05 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Verfahren und Vorrichtung zur Steuerung einer nicht selbsthaltenden Kupplung
KR100698766B1 (ko) 2005-09-07 2007-03-23 한국과학기술원 파장분할 다중방식 수동형 광 가입자 망 시스템에 사용되는장애 위치 감시 장치 및 이를 구비한 파장분할 다중방식수동형 광 가입자 망 시스템
EP1763158B1 (en) * 2005-09-12 2008-02-13 Alcatel Lucent Optical transceiver module for monitoring an optical fiber and method for making available measuring data from monitoring an optical fiber
KR100785436B1 (ko) * 2005-09-20 2007-12-13 한국과학기술원 방송 서비스와 통신 서비스를 융합한 파장분할 다중방식수동형 광 가입자망
US8571410B2 (en) * 2006-10-11 2013-10-29 Novera Optics, Inc. Mutual wavelength locking in WDM-PONS
GB0823688D0 (en) 2008-12-31 2009-02-04 Tyco Electronics Raychem Nv Unidirectional absolute optical attenuation measurement with OTDR
US8593621B2 (en) * 2010-04-30 2013-11-26 International Business Machines Corporation Testing an optical fiber connection
CN102783055B (zh) * 2011-01-07 2016-03-23 松下知识产权经营株式会社 光传输系统
US9435711B2 (en) * 2011-10-26 2016-09-06 Ezconn Corporation OTDR light reflection structure of optical sub-assembly for transceivers of PON system
US9848775B2 (en) * 2013-05-22 2017-12-26 The Board Of Trustees Of The Leland Stanford Junior University Passive and wireless pressure sensor
RU2546718C1 (ru) * 2013-12-03 2015-04-10 Евгений Андреевич Шабунин Способ идентификации оптических волокон и устройство для его реализации
EP3189601B1 (en) * 2014-09-03 2023-08-02 British Telecommunications public limited company Optical network fault identification
US20180149556A1 (en) * 2015-06-09 2018-05-31 Afl Telecommunications Llc Optical fiber test apparatus
JP6363680B2 (ja) * 2016-11-16 2018-07-25 ファナック株式会社 レーザ装置
WO2018217928A1 (en) * 2017-05-26 2018-11-29 Branson Ultrasonics Corporation Dual channel feedback for ascertaining fiber bundle throughput
US11528079B2 (en) 2017-10-05 2022-12-13 Commscope Technologies Llc Optical fiber testing device and method

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GB1596757A (en) * 1977-05-12 1981-08-26 Int Standard Electric Corp Apparatus for and method of measuring the optical properties of an optical fibre while it is being drawn
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FR2595557B1 (fr) * 1986-03-12 1988-05-27 Alpia Sa Dispositif de guidage compense et d'ouverture graduee de la porte d'un meuble de classement vertical de plans suspendus
DE3721823A1 (de) * 1987-07-02 1989-01-12 Philips Patentverwaltung Verfahren zur messung der von einer reflexionsstelle reflektierten optischen strahlungsleistung
US4838690A (en) * 1988-04-12 1989-06-13 Sumitomo Electric Fiber Optics Corporation Simultaneous bi-directional optical time domain reflectometry method
US4899045A (en) * 1988-05-24 1990-02-06 Hi-Shear Corporation Multiple channel fiber optic continuity test system
GB8828408D0 (en) * 1988-12-06 1989-01-05 British Telecomm Loss detector
US4911515A (en) * 1988-12-22 1990-03-27 Northern Telecom Limited Optical fiber communications system with optical fiber monitoring

Also Published As

Publication number Publication date
DE4238822A1 (US07943777-20110517-C00090.png) 1993-05-19
JPH0658840A (ja) 1994-03-04
US5251001A (en) 1993-10-05
GB2261506B (en) 1995-10-11
FR2683960A1 (fr) 1993-05-21
GB9224151D0 (en) 1993-01-06
GB2261506A (en) 1993-05-19
CA2083078A1 (en) 1993-05-19

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Legal Events

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ST Notification of lapse