FR2289884B1 - - Google Patents

Info

Publication number
FR2289884B1
FR2289884B1 FR7533074A FR7533074A FR2289884B1 FR 2289884 B1 FR2289884 B1 FR 2289884B1 FR 7533074 A FR7533074 A FR 7533074A FR 7533074 A FR7533074 A FR 7533074A FR 2289884 B1 FR2289884 B1 FR 2289884B1
Authority
FR
France
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
Application number
FR7533074A
Other versions
FR2289884A1 (fr
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2289884A1 publication Critical patent/FR2289884A1/fr
Application granted granted Critical
Publication of FR2289884B1 publication Critical patent/FR2289884B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • 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
    • G01M11/3154—Details of the opto-mechanical connection, e.g. connector or repeater

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
FR7533074A 1974-10-30 1975-10-29 Procede pour mesurer la distance d'emplacement de defauts par rapport a une extremite d'une fibre de verre, et dispositif pour la mise en oeuvre de ce procede Granted FR2289884A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2451654A DE2451654C3 (de) 1974-10-30 1974-10-30 Vorrichtung zum Messen von Störstellen und/oder Längen von Glasfasern

Publications (2)

Publication Number Publication Date
FR2289884A1 FR2289884A1 (fr) 1976-05-28
FR2289884B1 true FR2289884B1 (fr) 1978-04-07

Family

ID=5929635

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7533074A Granted FR2289884A1 (fr) 1974-10-30 1975-10-29 Procede pour mesurer la distance d'emplacement de defauts par rapport a une extremite d'une fibre de verre, et dispositif pour la mise en oeuvre de ce procede

Country Status (8)

Country Link
US (1) US4021121A (fr)
JP (1) JPS5167181A (fr)
BE (1) BE835052A (fr)
DE (1) DE2451654C3 (fr)
FR (1) FR2289884A1 (fr)
GB (1) GB1532980A (fr)
IT (1) IT1043664B (fr)
NL (1) NL7512498A (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2456293B2 (de) * 1974-11-28 1980-12-04 Felten & Guilleaume Carlswerk Ag, 5000 Koeln Verfahren und Vorrichtung zur Fehlerortbestimmung in Lichtleitfasern oder Lichtleitfaserkabeln
FR2389883B1 (fr) * 1977-05-05 1980-07-25 Cselt Centro Studi Lab Telecom
DE2810971C1 (de) * 1978-03-14 1985-12-05 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Lichtleiter zur UEberwachung eines Raumes oder Gelaendes
FR2422945A1 (fr) * 1978-04-12 1979-11-09 Comp Generale Electricite Methode de sondage pour fibres optiques
DE2850430A1 (de) * 1978-11-21 1980-05-29 Siemens Ag Justieren miteinander zu verbindender enden zweier lichtleitfasern
US4289398A (en) * 1978-12-04 1981-09-15 Robichaud Roger E Optical time domain reflectometer
FR2453403A1 (fr) * 1979-04-06 1980-10-31 Bertin & Cie Procede et dispositif de verification d'une fibre optique transmettant une information
JPS55155225A (en) * 1979-05-23 1980-12-03 Nec Corp Optical pulse tester for long optical fiber
JPS5640737A (en) * 1979-09-11 1981-04-17 Asahi Optical Co Ltd Damage detector for optical fiber for laser power transmission
IT1130802B (it) * 1980-04-23 1986-06-18 Cselt Centro Studi Lab Telecom Sistema ottico ad alta efficienza di accoppiamento in particolare per dispositivi di misura della attenuazione di fibre ottiche mediante retrodiffusione
DE3104076A1 (de) * 1981-02-06 1982-10-21 Philips Patentverwaltung Gmbh, 2000 Hamburg "vorrichtung zur kontinuierlichen untersuchung von lichtleitfasern"
FR2505045A1 (fr) * 1981-04-30 1982-11-05 Lignes Telegraph Telephon Dispositif de localisation d'une cassure d'une fibre optique transmettant deux signaux lumineux de longueurs d'onde differentes
FR2672754B1 (fr) * 1991-02-13 1992-12-24 Alcatel Cable Systeme de localisation de reflexions de fresnel le long d'une fibre optique.
US5281366A (en) * 1992-09-17 1994-01-25 Shell Oil Company Process for the preparation of secondary alkyl sulfate-containing surfactant compositions
FR2710740B1 (fr) * 1993-09-29 1995-11-17 Lorraine Laminage Procédé de mesure de l'évolution de la longueur d'une tuyère pour l'introduction d'un fluide dans un métal liquide contenu dans un récipient métallurgique, et dispositif pour sa mise en Óoeuvre.
US6906808B2 (en) * 2002-05-30 2005-06-14 General Electric Company Methods and apparatus for measuring a surface contour of an object
US7341384B2 (en) * 2005-03-30 2008-03-11 The Boeing Company Fiber optic transceiver module having built-in test capability and associated method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3402630A (en) * 1965-02-05 1968-09-24 Gen Precision Systems Inc Optical radar ranging system
US3743419A (en) * 1969-07-09 1973-07-03 Bofors Ab Ranging system
SE348295B (fr) * 1970-12-10 1972-08-28 Asea Ab
US3768146A (en) 1972-02-22 1973-10-30 Bell Telephone Labor Inc Method of splicing optical fibers
US3884585A (en) * 1974-02-25 1975-05-20 Us Navy Fiber break detection methods for cables using multi-fiber optical bundles

Also Published As

Publication number Publication date
DE2451654B2 (de) 1980-01-03
FR2289884A1 (fr) 1976-05-28
US4021121A (en) 1977-05-03
BE835052A (fr) 1976-02-16
JPS5167181A (en) 1976-06-10
IT1043664B (it) 1980-02-29
NL7512498A (nl) 1976-05-04
JPS6217179B2 (fr) 1987-04-16
DE2451654C3 (de) 1984-08-09
GB1532980A (en) 1978-11-22
DE2451654A1 (de) 1976-05-06

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Legal Events

Date Code Title Description
ST Notification of lapse