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IT1126360B - PROCEDURE FOR MEASURING DAMPING ON LIGHT CONDUCTING FIBERS - Google Patents

PROCEDURE FOR MEASURING DAMPING ON LIGHT CONDUCTING FIBERS

Info

Publication number
IT1126360B
IT1126360B IT27456/79A IT2745679A IT1126360B IT 1126360 B IT1126360 B IT 1126360B IT 27456/79 A IT27456/79 A IT 27456/79A IT 2745679 A IT2745679 A IT 2745679A IT 1126360 B IT1126360 B IT 1126360B
Authority
IT
Italy
Prior art keywords
procedure
light conducting
conducting fibers
measuring damping
damping
Prior art date
Application number
IT27456/79A
Other languages
Italian (it)
Other versions
IT7927456A0 (en
Inventor
Wolfgang Meininghaus
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 IT7927456A0 publication Critical patent/IT7927456A0/en
Application granted granted Critical
Publication of IT1126360B publication Critical patent/IT1126360B/en

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
    • G01M11/3163—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR by measuring dispersion

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
IT27456/79A 1979-02-08 1979-11-20 PROCEDURE FOR MEASURING DAMPING ON LIGHT CONDUCTING FIBERS IT1126360B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2904703A DE2904703C2 (en) 1979-02-08 1979-02-08 Method for measuring attenuation on optical fibers

Publications (2)

Publication Number Publication Date
IT7927456A0 IT7927456A0 (en) 1979-11-20
IT1126360B true IT1126360B (en) 1986-05-21

Family

ID=6062415

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27456/79A IT1126360B (en) 1979-02-08 1979-11-20 PROCEDURE FOR MEASURING DAMPING ON LIGHT CONDUCTING FIBERS

Country Status (5)

Country Link
DE (1) DE2904703C2 (en)
FR (1) FR2448715A1 (en)
GB (1) GB2042165A (en)
IT (1) IT1126360B (en)
NL (1) NL8000323A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3115200A1 (en) * 1981-04-15 1983-02-03 Philips Kommunikations Industrie AG, 8500 Nürnberg METHOD FOR MEASURING PULSE RUNNING TIMES, ERROR LOCATIONS AND DAMPING ON CABLES AND FOCUS
FR2505045A1 (en) * 1981-04-30 1982-11-05 Lignes Telegraph Telephon Fibre=optic cable fracture location determn. circuit - uses clock to measure propagation time difference for two laser diodes emitting different wavelengths
FR2520113B1 (en) * 1982-01-15 1986-03-07 Lignes Telegraph Telephon DEVICE FOR ATTENUATING MEASUREMENT OF A TRANSMISSION LINE
SE456190B (en) * 1983-10-14 1988-09-12 Ericsson Telefon Ab L M PROCEDURE THAT IN A FIBER OPTICAL TRANSMISSION SYSTEM META THE DISPERSION OF THE TRANSMITTING OPTICAL FIBER
GB2190186B (en) * 1986-05-09 1990-12-19 Dr Jeremy Kenneth Arth Everard Greatly enhanced spatial detection of optical backscatter for sensor applications
US5331391A (en) * 1992-06-16 1994-07-19 Bukhshtab Mikhail A Method of determining the optical loss in reflected radiation in a fibre-optic light guide

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3782824A (en) * 1972-06-01 1974-01-01 Sperry Rand Corp Apparatus and method for measuring extinction coefficient of an atmospheric scattering medium
DE2620357A1 (en) * 1976-05-06 1977-11-17 Aeg Telefunken Kabelwerke Optical fibre attenuation measurement - using transmitted and reflected pulse energy comparison in UV, visible and IR regions
GB1538316A (en) * 1976-07-13 1979-01-17 Standard Telephones Cables Ltd Optical fibre test equipment and method
GB1560124A (en) * 1977-11-03 1980-01-30 Standard Telephones Cables Ltd Optical fibre cable testing

Also Published As

Publication number Publication date
DE2904703A1 (en) 1980-08-28
GB2042165A (en) 1980-09-17
DE2904703C2 (en) 1985-03-28
FR2448715B1 (en) 1984-10-19
FR2448715A1 (en) 1980-09-05
IT7927456A0 (en) 1979-11-20
NL8000323A (en) 1980-08-12

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