DE69110275T2 - Optische Testapparatur mit einem OTDR. - Google Patents

Optische Testapparatur mit einem OTDR.

Info

Publication number
DE69110275T2
DE69110275T2 DE69110275T DE69110275T DE69110275T2 DE 69110275 T2 DE69110275 T2 DE 69110275T2 DE 69110275 T DE69110275 T DE 69110275T DE 69110275 T DE69110275 T DE 69110275T DE 69110275 T2 DE69110275 T2 DE 69110275T2
Authority
DE
Germany
Prior art keywords
switch
optical
light
pct
otdr
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 - Fee Related
Application number
DE69110275T
Other languages
English (en)
Other versions
DE69110275D1 (de
Inventor
Peter Keeble
Christopher Rowe
David Spirit
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.)
IPG Photonics Corp
Original Assignee
British Telecommunications PLC
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 GB909003441A external-priority patent/GB9003441D0/en
Priority claimed from GB909019764A external-priority patent/GB9019764D0/en
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Application granted granted Critical
Publication of DE69110275D1 publication Critical patent/DE69110275D1/de
Publication of DE69110275T2 publication Critical patent/DE69110275T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01M11/319—Reflectometers using stimulated back-scatter, e.g. Raman or fibre amplifiers

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Led Device Packages (AREA)
  • Spectrometry And Color Measurement (AREA)
DE69110275T 1990-02-15 1991-02-06 Optische Testapparatur mit einem OTDR. Expired - Fee Related DE69110275T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB909003441A GB9003441D0 (en) 1990-02-15 1990-02-15 Optical test apparatus
GB909019764A GB9019764D0 (en) 1990-09-10 1990-09-10 Optical test apparatus
PCT/GB1991/000183 WO1991012509A1 (en) 1990-02-15 1991-02-06 Optical test apparatus

Publications (2)

Publication Number Publication Date
DE69110275D1 DE69110275D1 (de) 1995-07-13
DE69110275T2 true DE69110275T2 (de) 1995-12-21

Family

ID=26296667

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69110275T Expired - Fee Related DE69110275T2 (de) 1990-02-15 1991-02-06 Optische Testapparatur mit einem OTDR.

Country Status (10)

Country Link
US (1) US5343286A (de)
EP (1) EP0515443B1 (de)
JP (1) JP3155005B2 (de)
AT (1) ATE123568T1 (de)
AU (1) AU636719B2 (de)
CA (1) CA2075961C (de)
DE (1) DE69110275T2 (de)
ES (1) ES2073161T3 (de)
HK (1) HK141596A (de)
WO (1) WO1991012509A1 (de)

Families Citing this family (33)

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Publication number Priority date Publication date Assignee Title
GB9115453D0 (en) * 1991-07-18 1991-09-04 British Telecomm Fault location in optical systems
EP0678988B1 (de) * 1994-04-11 1999-02-03 Hewlett-Packard GmbH Rauschpegelmessungsverfahren in Gegenwart von einem Signal
US5500908A (en) * 1994-04-14 1996-03-19 U.S. Philips Corporation Optical switch and transmitter and receiver for a multiplex transmission system including such a switch
US5444801A (en) * 1994-05-27 1995-08-22 Laughlin; Richard H. Apparatus for switching optical signals and method of operation
US5875271A (en) * 1994-05-27 1999-02-23 Optical Switch Corporation Apparatus for switching optical signals and method of operation
DK172234B1 (da) * 1995-05-10 1998-01-26 Dsc Communications As Fremgangsmåder til bestemmelse af støjniveauet under måling på en optisk fiber
US5841916A (en) * 1995-06-07 1998-11-24 Optical Switch Corporation Frustrated total internal reflection device
US5917641A (en) * 1995-06-07 1999-06-29 Optical Switch Corporation Frustrated total internal reflection device having a spacer and an endplate
US5909301A (en) * 1995-06-07 1999-06-01 Optical Switch Corporation Frustrated total internal reflection device having a first spacer and a second spacer
US6028684A (en) * 1996-10-23 2000-02-22 Tyco Submarine Systems Ltd Path to provide OTDR measurements of an optical transmission system that includes optical isolators
DE19649594A1 (de) 1996-11-29 1998-06-04 Deutsche Telekom Ag Optisches Impulsreflektometer
US6687632B1 (en) 1998-01-23 2004-02-03 Trilithic, Inc. Testing of CATV systems
US6236787B1 (en) 1998-07-08 2001-05-22 Optical Switch Corporation Method and apparatus for aligning optical fibers using an alignment spacer
US6253007B1 (en) 1998-07-08 2001-06-26 Optical Switch Corporation Method and apparatus for connecting optical fibers
US6137930A (en) * 1998-07-08 2000-10-24 Optical Switch Corporation Method and apparatus for aligning optical fibers
US6236778B1 (en) 1998-12-16 2001-05-22 Optical Switch Corporation Frustrated total internal reflection bus and method of operation
US6243511B1 (en) 1999-02-04 2001-06-05 Optical Switch Corporation System and method for determining the condition of an optical signal
US6519026B1 (en) 1999-08-06 2003-02-11 Lucent Technologies Inc. Optical time-domain reflectometer (OTDR)
JP3904835B2 (ja) * 2001-01-29 2007-04-11 株式会社日立製作所 光増幅器、光ファイバラマン光増幅器、及び光システム
US6807001B1 (en) * 2001-04-17 2004-10-19 Sycamore Networks, Inc. Auto shutdown for distributed raman amplifiers on optical communication systems
GB0202159D0 (en) * 2002-01-30 2002-03-20 Sensor Highway Ltd OPtical time domain reflectometry
GB2416587B (en) * 2002-01-30 2006-06-21 Sensor Highway Ltd Optical time domain reflectometry
WO2005003714A1 (ja) * 2003-07-07 2005-01-13 Anritsu Corporation 光線路の障害探索をユーザ光端末側から行う光線路の試験システム
US7218442B2 (en) * 2005-03-04 2007-05-15 Jds Uniphase Corporation Optical communications system with fiber break detection in the presence of Raman amplification
US8045143B2 (en) * 2006-10-23 2011-10-25 The Boeing Company Optical phase domain reflectometer
US7593098B2 (en) * 2007-02-26 2009-09-22 Luciol Instruments Sa High dynamic range photon-counting OTDR
JP2013055283A (ja) * 2011-09-06 2013-03-21 Fujikura Ltd 高パワーパルス光発生装置
WO2013192354A2 (en) * 2012-06-19 2013-12-27 Adtran, Inc. Optical time domain reflectometer systems and methods using wideband optical signals for suppressing beat noise
CZ307283B6 (cs) * 2017-03-21 2018-05-09 Vysoká Škola Báňská - Technická Univerzita Ostrava Zapojení generátoru časové prodlevy
WO2020113323A1 (en) * 2018-12-03 2020-06-11 Hifi Engineering Inc. Method and system for testing a fiber optic monitoring system in a conduit
CN113008356B (zh) * 2021-02-26 2023-07-14 中煤科工集团重庆研究院有限公司 一种分布式光纤探测光脉冲调制解调方法
CN113503956B (zh) * 2021-07-09 2022-05-24 中国人民解放军国防科技大学 一种水下平台自振动和外界声信号同时拾取的装置及方法
CN113783608B (zh) * 2021-09-26 2022-11-22 中电科思仪科技股份有限公司 一种长距离可编程光纤光缆损耗分布测试装置及方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393287A1 (fr) * 1977-05-31 1978-12-29 Cables De Lyon Geoffroy Delore Echometre pour la localisation de defauts affectant les conducteurs de lumiere
GB2107147B (en) * 1981-09-03 1985-07-10 Standard Telephones Cables Ltd Optical requency modulation system
US4938556A (en) * 1983-11-25 1990-07-03 The Board Of Trustees Of The Leland Stanford Junior University Superfluorescent broadband fiber laser source
DE3422513A1 (de) * 1984-06-16 1986-02-13 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zum ueberpruefen eines lichtwellenleiterkabels auf lichtdurchgang und unzulaessige daempfungserhoehung
FR2573547B1 (fr) * 1984-11-16 1987-04-10 Thomson Csf Source optique monomode et dispositif amplificateur optique accordables dans le proche infra-rouge et l'application aux dispositifs amplificateurs selectifs et de regeneration
EP0186299B1 (de) * 1984-12-13 1990-04-18 Stc Plc Optischer Verstärker
GB8512980D0 (en) * 1985-05-22 1985-06-26 Pa Consulting Services Fibre optic transmissions systems
GB2182222B (en) * 1985-10-18 1990-01-24 Stc Plc Optical fibre testing
DE3609371A1 (de) * 1986-03-20 1987-09-24 Philips Patentverwaltung Optisches zeitbereichsreflektometer mit heterodyn-empfang
JPH0828680B2 (ja) * 1987-07-23 1996-03-21 国際電信電話株式会社 双方向光ファイバ通信系の障害点監視方式
JPH01142435A (ja) * 1987-11-28 1989-06-05 Nippon Telegr & Teleph Corp <Ntt> 後方散乱光測定装置
JPH0663908B2 (ja) * 1988-08-05 1994-08-22 日本電信電話株式会社 光パルス試験装置
US4859015A (en) * 1988-08-17 1989-08-22 The Boeing Company Optical receiver having optical gain medium and mode selector
DE3920169A1 (de) * 1989-06-16 1990-12-20 Siemens Ag Einrichtung und verfahren zur untersuchung des daempfungsverlaufs eines lichtwellenleiters
ATE97237T1 (de) * 1989-06-22 1993-11-15 British Telecomm Optische reflexionsmessung im zeitbereich.
US5028775A (en) * 1989-06-30 1991-07-02 Anritsu Corporation Optical time domain reflectometer using optical element with three control modes of oscillation, attenuation and amplification
GB8918862D0 (en) * 1989-08-18 1989-09-27 British Telecomm Line monitoring system
US5013907A (en) * 1990-03-27 1991-05-07 Tektronix, Inc. Optical time domain testing instrument

Also Published As

Publication number Publication date
ATE123568T1 (de) 1995-06-15
EP0515443A1 (de) 1992-12-02
EP0515443B1 (de) 1995-06-07
AU7237991A (en) 1991-09-03
WO1991012509A1 (en) 1991-08-22
US5343286A (en) 1994-08-30
AU636719B2 (en) 1993-05-06
HK141596A (en) 1996-08-09
DE69110275D1 (de) 1995-07-13
CA2075961C (en) 1999-01-05
CA2075961A1 (en) 1991-08-16
JP3155005B2 (ja) 2001-04-09
ES2073161T3 (es) 1995-08-01
JPH05504623A (ja) 1993-07-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: IPG PHOTONICS CORP., OXFORD, MASS., US

8339 Ceased/non-payment of the annual fee