CA2043946C - Reflectometre temporel optique - Google Patents

Reflectometre temporel optique Download PDF

Info

Publication number: CA2043946C
Authority: CA; Canada
Prior art keywords: optical; optical fiber; wavelength; fiber path; optical signal
Prior art date: 1991-06-05
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

CA 2043946

Other languages

English (en)

Other versions

CA2043946A1 (fr

Inventor

Vincent Choong So

Michel Lessard

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.)

Bell Canada Inc

Original Assignee

Bell Canada Inc

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.)

1991-06-05

Filing date

1991-06-05

Publication date

2003-06-17

1991-06-05 Application filed by Bell Canada Inc filed Critical Bell Canada Inc

1991-06-05 Priority to CA 2043946 priority Critical patent/CA2043946C/fr

1992-12-06 Publication of CA2043946A1 publication Critical patent/CA2043946A1/fr

2003-06-17 Application granted granted Critical

2003-06-17 Publication of CA2043946C publication Critical patent/CA2043946C/fr

2011-06-05 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

230000003287 optical effect Effects 0.000 title claims abstract description 113
239000013307 optical fiber Substances 0.000 claims abstract description 69
239000004065 semiconductor Substances 0.000 claims abstract description 24
239000006185 dispersion Substances 0.000 claims description 11
238000000034 method Methods 0.000 claims description 9
230000008878 coupling Effects 0.000 claims description 8
238000010168 coupling process Methods 0.000 claims description 8
238000005859 coupling reaction Methods 0.000 claims description 8
238000012544 monitoring process Methods 0.000 claims description 8
230000004044 response Effects 0.000 claims description 4
238000001816 cooling Methods 0.000 claims description 3
230000011664 signaling Effects 0.000 claims description 2
230000001419 dependent effect Effects 0.000 abstract description 17
239000000835 fiber Substances 0.000 description 9
238000000253 optical time-domain reflectometry Methods 0.000 description 6
230000000644 propagated effect Effects 0.000 description 4
230000015556 catabolic process Effects 0.000 description 3
238000006731 degradation reaction Methods 0.000 description 3
238000005259 measurement Methods 0.000 description 3
238000012545 processing Methods 0.000 description 3
238000012360 testing method Methods 0.000 description 3
230000002238 attenuated effect Effects 0.000 description 2
230000008859 change Effects 0.000 description 2
238000010586 diagram Methods 0.000 description 2
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
230000006978 adaptation Effects 0.000 description 1
230000032683 aging Effects 0.000 description 1
230000005540 biological transmission Effects 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
238000001514 detection method Methods 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000002452 interceptive effect Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
230000008569 process Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000007787 solid Substances 0.000 description 1
238000006467 substitution reaction Methods 0.000 description 1
230000001360 synchronised effect Effects 0.000 description 1

Landscapes

Testing Of Optical Devices Or Fibers (AREA)
Optical Communication System (AREA)

CA 2043946 1991-06-05 1991-06-05 Reflectometre temporel optique Expired - Lifetime CA2043946C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA 2043946 CA2043946C (fr)	1991-06-05	1991-06-05	Reflectometre temporel optique

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA 2043946 CA2043946C (fr)	1991-06-05	1991-06-05	Reflectometre temporel optique

Publications (2)

Publication Number	Publication Date
CA2043946A1 CA2043946A1 (fr)	1992-12-06
CA2043946C true CA2043946C (fr)	2003-06-17

Family

ID=4147740

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2043946 Expired - Lifetime CA2043946C (fr)	1991-06-05	1991-06-05	Reflectometre temporel optique

Country Status (1)

Country	Link
CA (1)	CA2043946C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2356760A4 (fr) *	2008-10-17	2016-07-20	Exfo Inc	Procédé et appareil de dérivation de paramètres de trajets optiques dans des réseaux optiques utilisant un otdr à deux longueurs d'onde et un élément réfléchissant dépendant d'une longueur d'onde

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
RU2628740C1 (ru) *	2016-11-22	2017-08-21	Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом"	Способ обнаружения локальных дополнительных потерь в оптическом волокне методом обратного рассеяния
JP6896354B2 (ja) *	2019-01-25	2021-06-30	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
CN112564780A (zh) *	2020-11-18	2021-03-26	昂纳信息技术（深圳）有限公司	一种降低光时域反射仪光源相干噪声的装置及方法

1991
- 1991-06-05 CA CA 2043946 patent/CA2043946C/fr not_active Expired - Lifetime

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2356760A4 (fr) *	2008-10-17	2016-07-20	Exfo Inc	Procédé et appareil de dérivation de paramètres de trajets optiques dans des réseaux optiques utilisant un otdr à deux longueurs d'onde et un élément réfléchissant dépendant d'une longueur d'onde

Also Published As

Publication number	Publication date
CA2043946A1 (fr)	1992-12-06

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Legal Events

Date	Code	Title	Description
1998-04-14	EEER	Examination request
2011-06-05	MKEX	Expiry