ZA963685B - A method of measuring on an optical fibre - Google Patents

A method of measuring on an optical fibre

Info

Publication number
ZA963685B
ZA963685B ZA963685A ZA963685A ZA963685B ZA 963685 B ZA963685 B ZA 963685B ZA 963685 A ZA963685 A ZA 963685A ZA 963685 A ZA963685 A ZA 963685A ZA 963685 B ZA963685 B ZA 963685B
Authority
ZA
South Africa
Prior art keywords
fibre
pct
background noise
pulse
wavelength
Prior art date
Application number
ZA963685A
Other languages
English (en)
Inventor
Jorn Hedegaard Povlsen
Claus Friis Pedersen
Original Assignee
Dsc Communications As
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 Dsc Communications As filed Critical Dsc Communications As
Publication of ZA963685B publication Critical patent/ZA963685B/xx

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)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Lasers (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Communication System (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Measurement Of Radiation (AREA)
ZA963685A 1995-05-10 1996-05-09 A method of measuring on an optical fibre ZA963685B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK054195A DK172234B1 (da) 1995-05-10 1995-05-10 Fremgangsmåder til bestemmelse af støjniveauet under måling på en optisk fiber

Publications (1)

Publication Number Publication Date
ZA963685B true ZA963685B (en) 1996-11-20

Family

ID=8094713

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA963685A ZA963685B (en) 1995-05-10 1996-05-09 A method of measuring on an optical fibre

Country Status (10)

Country Link
US (1) US5870183A (zh)
EP (1) EP0824677B1 (zh)
CN (1) CN1183833A (zh)
AT (1) ATE187553T1 (zh)
AU (1) AU5685196A (zh)
DE (1) DE69605545T2 (zh)
DK (1) DK172234B1 (zh)
ES (1) ES2140086T3 (zh)
WO (1) WO1996035935A1 (zh)
ZA (1) ZA963685B (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK129396A (da) * 1996-11-15 1998-05-16 Dsc Communications As Optisk forstærker og fremgangsmåde til forhindring af, at der fra en sådan udsendes optisk effekt, som overstiger en foresk
US6433926B2 (en) 1997-11-14 2002-08-13 Dsc Communications A/S Optical amplifier and a method of preventing emission therefrom of optical power exceeding a prescribed safety limit
KR100609697B1 (ko) * 2004-06-02 2006-08-08 한국전자통신연구원 이득 고정형 광증폭기를 이용한 광 선로 감시 시스템
US7787775B2 (en) * 2006-05-08 2010-08-31 Tellabs Operations, Inc. Methods and apparatus for optical networks
JP4688231B2 (ja) * 2006-07-03 2011-05-25 アンリツ株式会社 オプチカルタイムドメインリフレクトメータ及び光パルスを用いる光ファイバの試験方法
CN103983428B (zh) * 2014-06-05 2016-09-28 中国科学技术大学 测量全光纤脉冲激光器ase噪声的方法
US20230160779A1 (en) * 2020-04-14 2023-05-25 Jabiil Inc. Optical back reflection diagnostics for micro optical components
WO2023135715A1 (ja) * 2022-01-13 2023-07-20 日本電気株式会社 変位推定装置、変位推定方法、及びコンピュータ読み取り可能な記録媒体

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6150033A (ja) * 1984-08-18 1986-03-12 Iwatsu Electric Co Ltd タイム・ドメイン・リフレクトメ−タ
DK0478654T3 (da) * 1989-06-22 1994-03-14 British Telecomm Optisk reflektometri i tidsdomænet
AU636719B2 (en) * 1990-02-15 1993-05-06 British Telecommunications Public Limited Company Optical test apparatus
JP2968421B2 (ja) * 1992-09-29 1999-10-25 アンリツ株式会社 光パルス試験器
US5450191A (en) * 1993-05-06 1995-09-12 Corning Incorporated Method for testing optical waveguide fibers to detect reflection type discontinuities

Also Published As

Publication number Publication date
ES2140086T3 (es) 2000-02-16
EP0824677A1 (en) 1998-02-25
DK172234B1 (da) 1998-01-26
AU5685196A (en) 1996-11-29
US5870183A (en) 1999-02-09
CN1183833A (zh) 1998-06-03
DK54195A (da) 1996-11-11
EP0824677B1 (en) 1999-12-08
ATE187553T1 (de) 1999-12-15
WO1996035935A1 (en) 1996-11-14
DE69605545D1 (de) 2000-01-13
DE69605545T2 (de) 2000-06-15

Similar Documents

Publication Publication Date Title
NO923147L (no) Fremgangsmaate for maaling av ultralyd-forplantningstid vedhjelp av puls-refleksjonsmetoden
ATE213324T1 (de) Verfahren und vorrichtung zur bestimmung von aus einer schmelze ausgehenden elektromagnetischen wellen
DE69600728D1 (de) Vorrichtung und verfahren zur signalqualitätserfassung
EP0957375A3 (en) Lightwave distance measuring apparatus and method
EP0623815B1 (en) Method for testing reflection discontinuities in optical waveguides
ZA963685B (en) A method of measuring on an optical fibre
EP0453175A2 (en) Optical fault finder
ATE83562T1 (de) Verfahren und vorrichtung zur entfernungsmessung durch verarbeitung optischer impulssignale.
JPH05138A (ja) 超音波診断装置
EP0887624A3 (en) Device and method for optical fiber distortion measurement
GB2327136A (en) Coin testing apparatus and method
EP0869631A3 (en) Testing method for optical fiber
EP0391564A3 (en) Noise parameter determination method
EP0665671A3 (en) Apparatus and method for echo attenuation
DK0477228T3 (da) Detektion og analyse af genstande ved hjælp af transmissionslinier
DE59606167D1 (de) Verfahren und vorrichtung zur elimination von störsignalen bei einer lichtschranke
JP2776127B2 (ja) 距離測定装置
DE50309736D1 (de) Verfahren und vorrichtung zum automatischen erfassen motorischer unruhe einer versuchsperson
SU659947A1 (ru) Устройство дл регистрации процессов трещинообразовани методом акустической эмиссии
JPS6270727A (ja) 光反射減衰量測定装置
JPS6024481A (ja) レ−ザ測距装置
ATE366416T1 (de) Verfahren und vorrichtung zur messung der ultraschalldämpfung zur zerstörungsfreien prüfung durch laser-ultraschall
JPS5788362A (en) Device and method for detection of stress relief cracking
JPS57122340A (en) Device for detecting backward scattering in optical fiber
CA2287018A1 (en) Processor apparatus and method for a process measurement signal