IT7920298A0 - Riflettometro ottico di intervallo di tempo per la determinazione dello smorzamento di fibre di conduzione della luce. - Google Patents

Riflettometro ottico di intervallo di tempo per la determinazione dello smorzamento di fibre di conduzione della luce.

Info

Publication number
IT7920298A0
IT7920298A0 IT7920298A IT2029879A IT7920298A0 IT 7920298 A0 IT7920298 A0 IT 7920298A0 IT 7920298 A IT7920298 A IT 7920298A IT 2029879 A IT2029879 A IT 2029879A IT 7920298 A0 IT7920298 A0 IT 7920298A0
Authority
IT
Italy
Prior art keywords
reflectometer
time interval
light conducting
optical time
conducting fibers
Prior art date
Application number
IT7920298A
Other languages
English (en)
Other versions
IT1112188B (it
Original Assignee
Felten & Guilleaume Carlswerk
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 Felten & Guilleaume Carlswerk filed Critical Felten & Guilleaume Carlswerk
Publication of IT7920298A0 publication Critical patent/IT7920298A0/it
Application granted granted Critical
Publication of IT1112188B publication Critical patent/IT1112188B/it

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)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
IT20298/79A 1978-08-31 1979-02-16 Riflettometro ottico di intervallo di tempo per la determinazione dello smorzamento di fibre di conduzione della luce IT1112188B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2837981A DE2837981C2 (de) 1978-08-31 1978-08-31 Optisches Zeitbereichs-Reflektometer zur Bestimmung der Dämpfung von Lichtleitfasern

Publications (2)

Publication Number Publication Date
IT7920298A0 true IT7920298A0 (it) 1979-02-16
IT1112188B IT1112188B (it) 1986-01-13

Family

ID=6048345

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20298/79A IT1112188B (it) 1978-08-31 1979-02-16 Riflettometro ottico di intervallo di tempo per la determinazione dello smorzamento di fibre di conduzione della luce

Country Status (6)

Country Link
CH (1) CH636960A5 (it)
DE (1) DE2837981C2 (it)
FR (1) FR2435026A1 (it)
GB (1) GB2033078B (it)
IT (1) IT1112188B (it)
SE (1) SE444731B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2945055C2 (de) * 1979-11-08 1982-09-02 Philips Kommunikations Industrie Ag, 8500 Nuernberg Verfahren und Vorrichtung zum Konstanthalten der in einer Lichtleitfaser geführten Lichtleistung
DE3115200A1 (de) * 1981-04-15 1983-02-03 Philips Kommunikations Industrie AG, 8500 Nürnberg Verfahren zur messung von impulslaufzeiten, fehlerorten und daempfung auf kabeln und lichtwellenleitern
GB2122337B (en) * 1982-05-18 1985-11-13 Nat Res Dev Fibre optic sensing device
GB2138234B (en) * 1983-04-14 1986-10-08 Standard Telephones Cables Ltd Coherent reflectometer
SE456190B (sv) * 1983-10-14 1988-09-12 Ericsson Telefon Ab L M Forfarande att i ett fiberoptiskt transmissionssystem meta dispersionen hos den transmitterande optiska fibern
GB2198524B (en) * 1986-12-11 1990-08-29 Plessey Co Plc Improvements relating to optical sensing systems
DE4328486A1 (de) * 1993-08-24 1995-03-02 Siemens Ag Überwachung optischer Einfaser-Anschlußleitungen bis zu einer passiven Schnittstelle

Family Cites Families (1)

* 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

Also Published As

Publication number Publication date
DE2837981C2 (de) 1986-01-30
FR2435026A1 (fr) 1980-03-28
CH636960A5 (de) 1983-06-30
FR2435026B1 (it) 1984-06-15
GB2033078A (en) 1980-05-14
SE7907153L (sv) 1980-03-01
DE2837981A1 (de) 1980-03-06
SE444731B (sv) 1986-04-28
IT1112188B (it) 1986-01-13
GB2033078B (en) 1983-05-11

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