BR9101472A - Aparelho para detectar falhas em uma fibra optica,aparelho para detectar falhas para testar uma fibra optica e refletomero a dominio temporal optico - Google Patents

Aparelho para detectar falhas em uma fibra optica,aparelho para detectar falhas para testar uma fibra optica e refletomero a dominio temporal optico

Info

Publication number
BR9101472A
BR9101472A BR919101472A BR9101472A BR9101472A BR 9101472 A BR9101472 A BR 9101472A BR 919101472 A BR919101472 A BR 919101472A BR 9101472 A BR9101472 A BR 9101472A BR 9101472 A BR9101472 A BR 9101472A
Authority
BR
Brazil
Prior art keywords
appliance
optical fiber
detect failures
optical
reflectomer
Prior art date
Application number
BR919101472A
Other languages
English (en)
Inventor
Richard Buerli
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of BR9101472A publication Critical patent/BR9101472A/pt

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
    • G01M11/3145—Details of the optoelectronics or data analysis

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Locating Faults (AREA)
BR919101472A 1990-04-12 1991-04-11 Aparelho para detectar falhas em uma fibra optica,aparelho para detectar falhas para testar uma fibra optica e refletomero a dominio temporal optico BR9101472A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/508,844 US5069544A (en) 1990-04-12 1990-04-12 Adaptive pulse width optical fault finder

Publications (1)

Publication Number Publication Date
BR9101472A true BR9101472A (pt) 1991-11-26

Family

ID=24024319

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919101472A BR9101472A (pt) 1990-04-12 1991-04-11 Aparelho para detectar falhas em uma fibra optica,aparelho para detectar falhas para testar uma fibra optica e refletomero a dominio temporal optico

Country Status (7)

Country Link
US (1) US5069544A (pt)
EP (1) EP0453176B1 (pt)
JP (1) JP3263095B2 (pt)
BR (1) BR9101472A (pt)
CA (1) CA2037659A1 (pt)
DE (1) DE69114753T2 (pt)
ES (1) ES2079568T3 (pt)

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US6687632B1 (en) 1998-01-23 2004-02-03 Trilithic, Inc. Testing of CATV systems
DE69800414T2 (de) * 1998-04-21 2001-04-12 Hewlett Packard Co Nachweis und Bestimmung von Edelgasen
DE69800492T2 (de) * 1998-04-21 2001-05-03 Hewlett Packard Co Prüfvorrichtung für optische Komponenten
JP4336006B2 (ja) * 1999-10-18 2009-09-30 日置電機株式会社 製品検査ライン用の絶縁抵抗計
JP2002228548A (ja) * 2001-01-29 2002-08-14 Ando Electric Co Ltd 波長分散分布測定器、及び測定方法
JP2002236077A (ja) * 2001-02-06 2002-08-23 Ando Electric Co Ltd 波長分散分布測定器、及びその測定方法
JP4679012B2 (ja) * 2001-09-28 2011-04-27 日置電機株式会社 平衡ケーブル長測定器
US6947147B2 (en) 2002-08-21 2005-09-20 Agilent Technologies, Inc. De-embedment of optical component characteristics and calibration of optical receivers using rayleigh backscatter
US7256878B1 (en) * 2004-07-23 2007-08-14 At&T Corp. Application of statistical inference to optical time domain reflectometer data
JP4902213B2 (ja) * 2006-02-03 2012-03-21 株式会社フジクラ 光線路監視装置及び方法
WO2007088976A1 (ja) * 2006-02-03 2007-08-09 Fujikura Ltd. 光線路監視装置及び光線路監視方法
US7593098B2 (en) * 2007-02-26 2009-09-22 Luciol Instruments Sa High dynamic range photon-counting OTDR
US8180216B2 (en) * 2007-12-20 2012-05-15 Verizon Patent And Licensing Inc. Latency measurement in optical networks
US8222906B2 (en) * 2008-06-19 2012-07-17 Paul Francis Wyar Adaptive pulse width time domain reflectometer
DK2577890T3 (da) * 2010-05-27 2019-05-13 Exfo Inc Multi-registrerings-OTDR-fremgangsmåde og -indretning
KR20140051495A (ko) * 2012-10-12 2014-05-02 한국전자통신연구원 광링크 장애 감시 장치의 성능 향상방법
US9423316B2 (en) 2012-11-28 2016-08-23 Exfo Inc. Optical reflectometer with loss and/or reflectance profile view
JP6324274B2 (ja) * 2014-09-04 2018-05-16 横河電機株式会社 光パルス試験器
US9641243B2 (en) 2015-02-23 2017-05-02 Exfo Inc. Safe-mode OTDR method
DE102015113581B4 (de) 2015-08-17 2021-02-04 Aiq Dienstleistungen Ug (Haftungsbeschränkt) Fasermessung mit Impulsformung
JP6755824B2 (ja) * 2017-03-29 2020-09-16 アンリツ株式会社 光パルス試験装置及び光パルス試験方法
US10305586B1 (en) * 2017-03-29 2019-05-28 Fluke Corporation Combined signal responses in an optical time-domain reflectometer
US10101240B1 (en) 2017-04-27 2018-10-16 Viavi Solutions France SAS Optical time-domain reflectometer device including combined trace display
JP2019023580A (ja) * 2017-07-24 2019-02-14 株式会社フジクラ 光線路監視システム及び光線路の監視方法
CN110715790A (zh) * 2018-07-13 2020-01-21 中兴通讯股份有限公司 脉冲测试方法及装置、测试设备及存储介质
EP3605048B1 (en) * 2018-08-01 2023-05-24 Viavi Solutions Inc. Dual wavelength distributed temperature sensing with built-in fiber integrity monitoring
US11280687B2 (en) * 2018-08-31 2022-03-22 Viavi Solutions Inc. Dual wavelength distributed temperature sensing with built-in fiber integrity monitoring
CN111025306A (zh) * 2019-11-15 2020-04-17 浙江浙能天然气运行有限公司 一种基于相位敏感otdr的振动定位方法及系统
US11879802B2 (en) * 2020-10-22 2024-01-23 Exfo Inc. Testing optical fiber link continuity using OTDR backscattering patterns

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US4812038A (en) * 1987-01-21 1989-03-14 Hewlett-Packard Company Adaptive selection of OTDR test parameters and the fusion of data taken from successively shrinking measurement spans
FR2610465A1 (fr) * 1987-02-02 1988-08-05 Photonetics Dispositif de detection a fibres optiques impliquant un controle de bon fonctionnement
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Also Published As

Publication number Publication date
EP0453176A2 (en) 1991-10-23
DE69114753D1 (de) 1996-01-04
ES2079568T3 (es) 1996-01-16
JP3263095B2 (ja) 2002-03-04
EP0453176B1 (en) 1995-11-22
DE69114753T2 (de) 1996-07-18
US5069544A (en) 1991-12-03
JPH04225131A (ja) 1992-08-14
CA2037659A1 (en) 1991-10-13
EP0453176A3 (en) 1992-10-07

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FF Decision: intention to grant
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 11/04/2006