DE69512032T2 - Optische zeitbereichreflektometrie - Google Patents

Optische zeitbereichreflektometrie

Info

Publication number
DE69512032T2
DE69512032T2 DE69512032T DE69512032T DE69512032T2 DE 69512032 T2 DE69512032 T2 DE 69512032T2 DE 69512032 T DE69512032 T DE 69512032T DE 69512032 T DE69512032 T DE 69512032T DE 69512032 T2 DE69512032 T2 DE 69512032T2
Authority
DE
Germany
Prior art keywords
optical time
time area
reflectometry
area reflectometry
optical
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
DE69512032T
Other languages
English (en)
Other versions
DE69512032D1 (de
Inventor
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
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of DE69512032D1 publication Critical patent/DE69512032D1/de
Application granted granted Critical
Publication of DE69512032T2 publication Critical patent/DE69512032T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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]
DE69512032T 1994-02-08 1995-02-01 Optische zeitbereichreflektometrie Expired - Lifetime DE69512032T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP94300897 1994-02-08
PCT/GB1995/000201 WO1995022212A1 (en) 1994-02-08 1995-02-01 Optical time domain reflectometry

Publications (2)

Publication Number Publication Date
DE69512032D1 DE69512032D1 (de) 1999-10-14
DE69512032T2 true DE69512032T2 (de) 2000-03-23

Family

ID=8217561

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69512032T Expired - Lifetime DE69512032T2 (de) 1994-02-08 1995-02-01 Optische zeitbereichreflektometrie

Country Status (8)

Country Link
US (1) US5504617A (de)
EP (1) EP0745293B1 (de)
JP (1) JPH09508495A (de)
AU (1) AU681241B2 (de)
CA (1) CA2182384C (de)
DE (1) DE69512032T2 (de)
SG (1) SG48917A1 (de)
WO (1) WO1995022212A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999017471A1 (en) 1997-09-29 1999-04-08 Tollgrade Communications, Inc. Frequency agile transponder
US6317255B1 (en) * 1998-04-28 2001-11-13 Lucent Technologies Inc. Method and apparatus for controlling optical signal power in response to faults in an optical fiber path
JP2000150997A (ja) * 1998-11-13 2000-05-30 Nec Corp 光増幅装置とこれを用いた破断点検出機能を備えた光伝送装置および双方向光伝送装置
US6396573B1 (en) * 2000-02-17 2002-05-28 Fitel U.S.A. Corp. System and method for optically testing broadcasting systems
JP2001358392A (ja) * 2000-06-13 2001-12-26 Oki Electric Ind Co Ltd 安全光移行制御方法および光ファイバ増幅器
EP1191714B1 (de) * 2000-09-22 2003-01-29 Alcatel Alsthom Compagnie Generale D'electricite Verfahren zur Überwachung eines optischen Wellenleiters, Überwachungsvorrichtung und Überwachungseinheit für das Verfahren
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
DE602004001078T2 (de) * 2003-03-13 2007-01-25 Fujitsu Ltd., Kawasaki Optischer Verstärker mit Kontrollfunktionen des Pumplichts, und optisches Übertragungssystem das diesen Verstärker verwendet
US20050174563A1 (en) * 2004-02-11 2005-08-11 Evans Alan F. Active fiber loss monitor and method
GB2424311B (en) * 2005-03-18 2008-02-13 Sensor Highway Ltd Optical pulse generator for distributed temperature sensing operating at a characteristic wavelength in a range between 1050 nm and 1090 nm
CN101729151B (zh) * 2008-10-10 2012-02-01 华为海洋网络有限公司 一种光传输方法、装置和系统
US9148710B2 (en) * 2012-09-19 2015-09-29 Ciena Corporation Raman amplifier system and method with integrated optical time domain reflectometer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5363463A (en) * 1982-08-06 1994-11-08 Kleinerman Marcos Y Remote sensing of physical variables with fiber optic systems
US5214728A (en) * 1990-06-19 1993-05-25 Sumitomo Electric Industries, Ltd. Light communication system
JP2804633B2 (ja) * 1991-02-12 1998-09-30 日本電信電話株式会社 光折り返し／媒体試験器
GB9115453D0 (en) * 1991-07-18 1991-09-04 British Telecomm Fault location in optical systems
GB9202564D0 (en) * 1992-02-07 1992-03-25 Marconi Gec Ltd Optical signal transmission network
JPH06117961A (ja) * 1992-10-05 1994-04-28 Furukawa Electric Co Ltd:The 光線路監視方法
US5280549A (en) * 1993-02-05 1994-01-18 National Research Council Of Canada Frequency dependent optical isolator

Also Published As

Publication number Publication date
SG48917A1 (en) 1998-05-18
EP0745293A1 (de) 1996-12-04
EP0745293B1 (de) 1999-09-08
AU1542095A (en) 1995-08-29
AU681241B2 (en) 1997-08-21
JPH09508495A (ja) 1997-08-26
CA2182384A1 (en) 1995-08-17
US5504617A (en) 1996-04-02
DE69512032D1 (de) 1999-10-14
WO1995022212A1 (en) 1995-08-17
CA2182384C (en) 2000-06-27

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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