DE2640548A1 - Verfahren zur herstellung optischer fasern mit minimaler schwaechung - Google Patents

Verfahren zur herstellung optischer fasern mit minimaler schwaechung

Info

Publication number
DE2640548A1
DE2640548A1 DE19762640548 DE2640548A DE2640548A1 DE 2640548 A1 DE2640548 A1 DE 2640548A1 DE 19762640548 DE19762640548 DE 19762640548 DE 2640548 A DE2640548 A DE 2640548A DE 2640548 A1 DE2640548 A1 DE 2640548A1
Authority
DE
Germany
Prior art keywords
rod
attenuation
light
optical fiber
fiber
Prior art date
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.)
Pending
Application number
DE19762640548
Other languages
German (de)
English (en)
Inventor
Auf Nichtnennung Antrag
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.)
Pilkington Group Ltd
Original Assignee
Pilkington Brothers Ltd
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 Pilkington Brothers Ltd filed Critical Pilkington Brothers Ltd
Publication of DE2640548A1 publication Critical patent/DE2640548A1/de
Pending legal-status Critical Current

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
    • G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
    • G01M11/333—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face using modulated input signals
    • G01M11/334—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face using modulated input signals with light chopping means
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/0253—Controlling or regulating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE19762640548 1975-09-15 1976-09-09 Verfahren zur herstellung optischer fasern mit minimaler schwaechung Pending DE2640548A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB37825/75A GB1532423A (en) 1975-09-15 1975-09-15 Method for the production of optical fibre

Publications (1)

Publication Number Publication Date
DE2640548A1 true DE2640548A1 (de) 1977-03-24

Family

ID=10399269

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762640548 Pending DE2640548A1 (de) 1975-09-15 1976-09-09 Verfahren zur herstellung optischer fasern mit minimaler schwaechung

Country Status (9)

Country Link
JP (1) JPS5253433A (fr)
AU (1) AU1754676A (fr)
BR (1) BR7606069A (fr)
DE (1) DE2640548A1 (fr)
FR (1) FR2324015A1 (fr)
GB (1) GB1532423A (fr)
NL (1) NL7610188A (fr)
SE (1) SE7610125L (fr)
ZA (1) ZA765306B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10001289C1 (de) * 2000-01-14 2001-10-18 Ferton Holding Sa Vorrichtung zum messtechnischen Erfassen von Transmissionsverlusten

Also Published As

Publication number Publication date
ZA765306B (en) 1977-08-31
AU1754676A (en) 1978-03-16
NL7610188A (nl) 1977-03-17
JPS5253433A (en) 1977-04-30
GB1532423A (en) 1978-11-15
FR2324015A1 (fr) 1977-04-08
SE7610125L (sv) 1977-03-16
BR7606069A (pt) 1977-08-23

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Legal Events

Date Code Title Description
OHJ Non-payment of the annual fee