IL130165A - Optical time-domain reflectometer - Google Patents

Optical time-domain reflectometer

Info

Publication number: IL130165A
Authority: IL; Israel
Prior art keywords: optical; optical pulse; fibre; light source; light
Prior art date: 1996-11-29

Application number

IL13016597A

Other languages

English (en)

Other versions

IL130165A0 (en

Original Assignee

Telekom Deutsche

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.)

1996-11-29

Filing date

1997-11-11

Publication date

2002-12-01

1997-11-11 Application filed by Telekom Deutsche filed Critical Telekom Deutsche

2000-06-01 Publication of IL130165A0 publication Critical patent/IL130165A0/xx

2002-12-01 Publication of IL130165A publication Critical patent/IL130165A/en

Links

230000003287 optical effect Effects 0.000 title claims abstract description 74
238000012360 testing method Methods 0.000 claims abstract description 34
239000000835 fiber Substances 0.000 claims description 38
238000006243 chemical reaction Methods 0.000 claims description 3
238000010521 absorption reaction Methods 0.000 claims 1
230000035945 sensitivity Effects 0.000 abstract description 4
239000006096 absorbing agent Substances 0.000 description 5
230000003068 static effect Effects 0.000 description 4
230000002238 attenuated effect Effects 0.000 description 3
238000011157 data evaluation Methods 0.000 description 3
238000005259 measurement Methods 0.000 description 3
238000013461 design Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000000034 method Methods 0.000 description 2
239000013307 optical fiber Substances 0.000 description 2
230000005697 Pockels effect Effects 0.000 description 1
230000002411 adverse Effects 0.000 description 1
230000005540 biological transmission Effects 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
230000001934 delay Effects 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000005684 electric field Effects 0.000 description 1
238000009434 installation Methods 0.000 description 1
230000010354 integration Effects 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
238000012544 monitoring process Methods 0.000 description 1
230000005693 optoelectronics Effects 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
238000012545 processing Methods 0.000 description 1
230000005855 radiation Effects 0.000 description 1
238000002310 reflectometry Methods 0.000 description 1
230000001360 synchronised effect Effects 0.000 description 1

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

Landscapes

Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
General Physics & Mathematics (AREA)
Testing Of Optical Devices Or Fibers (AREA)
Optical Integrated Circuits (AREA)
Optical Communication System (AREA)
Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

IL13016597A 1996-11-29 1997-11-11 Optical time-domain reflectometer IL130165A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19649594A DE19649594A1 (de)	1996-11-29	1996-11-29	Optisches Impulsreflektometer
PCT/DE1997/002629 WO1998023937A1 (fr)	1996-11-29	1997-11-11	Reflectometre optique dans le domaine temps

Publications (2)

Publication Number	Publication Date
IL130165A0 IL130165A0 (en)	2000-06-01
IL130165A true IL130165A (en)	2002-12-01

Family

ID=7813182

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL13016597A IL130165A (en)	1996-11-29	1997-11-11	Optical time-domain reflectometer

Country Status (7)

Country	Link
US (1)	US6211950B1 (fr)
EP (1)	EP0958490B1 (fr)
AT (1)	ATE304167T1 (fr)
CA (1)	CA2273336C (fr)
DE (2)	DE19649594A1 (fr)
IL (1)	IL130165A (fr)
WO (1)	WO1998023937A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2001215173A (ja) *	2000-01-31	2001-08-10	Ando Electric Co Ltd	光コネクタ付ファイバ検査装置
EP1708388A1 (fr) *	2005-03-31	2006-10-04	British Telecommunications Public Limited Company	Communication d'information
US7164469B1 (en) *	2005-06-30	2007-01-16	Corning Incorporated	Method of evaluating fiber PMD using composite POTDR trace
US7190442B1 (en) *	2005-08-31	2007-03-13	Corning Incorporated	Method of evaluating fiber PMD using POTDR trace
CA2647173A1 (fr) *	2006-04-03	2007-10-11	British Telecommunications Public Company Limited	Evaluation de la position d'une perturbation
EP2618385A1 (fr)	2012-01-20	2013-07-24	AZUR SPACE Solar Power GmbH	Demi-produit d'une cellule solaire multiple et procédé de fabrication d'une cellule solaire multiple

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2620357A1 (de) *	1976-05-06	1977-11-17	Aeg Telefunken Kabelwerke	Daempfungsmessung in lichtleitern
JPS61260228A (ja) *	1985-05-15	1986-11-18	Nec Corp	音響光学スイツチ
JPS62251633A (ja)	1986-04-24	1987-11-02	Ando Electric Co Ltd	光フアイバ測定装置
ATE123568T1 (de) *	1990-02-15	1995-06-15	British Telecomm	Optische testapparatur mit einem otdr.
JP2951701B2 (ja) *	1990-07-25	1999-09-20	株式会社アドバンテスト	光パルス試験器
JPH04274724A (ja) *	1991-03-02	1992-09-30	Fujikura Ltd	Ｏｔｄｒ装置
JPH06117961A (ja) *	1992-10-05	1994-04-28	Furukawa Electric Co Ltd:The	光線路監視方法
US5319266A (en)	1993-02-24	1994-06-07	Antel Optronics Inc.	Differential boxcar integrator with auto-zero function
US5388172A (en) *	1993-05-20	1995-02-07	Tektroniz, Inc.	Optical switching apparatus for optical time domain reflectometers
JPH07113723A (ja) *	1993-10-13	1995-05-02	Ando Electric Co Ltd	Ｏｔｄｒの光マスキング装置
JP3355259B2 (ja) *	1995-03-31	2002-12-09	安藤電気株式会社	光反射減衰量を測定するｏｔｄｒ

1996
- 1996-11-29 DE DE19649594A patent/DE19649594A1/de not_active Withdrawn
1997
- 1997-11-11 EP EP97949906A patent/EP0958490B1/fr not_active Expired - Lifetime
- 1997-11-11 AT AT97949906T patent/ATE304167T1/de not_active IP Right Cessation
- 1997-11-11 WO PCT/DE1997/002629 patent/WO1998023937A1/fr not_active Ceased
- 1997-11-11 CA CA002273336A patent/CA2273336C/fr not_active Expired - Fee Related
- 1997-11-11 DE DE59712418T patent/DE59712418D1/de not_active Expired - Lifetime
- 1997-11-11 IL IL13016597A patent/IL130165A/en not_active IP Right Cessation
- 1997-11-11 US US09/308,729 patent/US6211950B1/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
WO1998023937A1 (fr)	1998-06-04
EP0958490B1 (fr)	2005-09-07
DE19649594A1 (de)	1998-06-04
IL130165A0 (en)	2000-06-01
CA2273336A1 (fr)	1998-06-04
DE59712418D1 (de)	2005-10-13
CA2273336C (fr)	2006-01-03
ATE304167T1 (de)	2005-09-15
US6211950B1 (en)	2001-04-03
EP0958490A1 (fr)	1999-11-24

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Legal Events

Date	Code	Title
2003-05-29	FF	Patent granted
2003-06-24	FF	Patent granted
2003-06-24	KB	Patent renewed
2004-01-04	KB	Patent renewed
2008-01-22	KB	Patent renewed
2012-10-31	MM9K	Patent not in force due to non-payment of renewal fees