JPS52121335A - Optical fiber drawing apparatus - Google Patents

Optical fiber drawing apparatus

Info

Publication number
JPS52121335A
JPS52121335A JP3780176A JP3780176A JPS52121335A JP S52121335 A JPS52121335 A JP S52121335A JP 3780176 A JP3780176 A JP 3780176A JP 3780176 A JP3780176 A JP 3780176A JP S52121335 A JPS52121335 A JP S52121335A
Authority
JP
Japan
Prior art keywords
optical fiber
drawing apparatus
fiber drawing
portions
loss
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.)
Granted
Application number
JP3780176A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5543406B2 (enExample
Inventor
Tatsuo Izawa
Tadashi Miyashita
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP3780176A priority Critical patent/JPS52121335A/ja
Publication of JPS52121335A publication Critical patent/JPS52121335A/ja
Publication of JPS5543406B2 publication Critical patent/JPS5543406B2/ja
Granted 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
    • 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
    • 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
    • C03B37/03—Drawing means, e.g. drawing drums ; Traction or tensioning devices
    • C03B37/035—Drawing means, e.g. drawing drums ; Traction or tensioning devices having means for deflecting or stripping-off fibres or for removing defective parts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
JP3780176A 1976-04-06 1976-04-06 Optical fiber drawing apparatus Granted JPS52121335A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3780176A JPS52121335A (en) 1976-04-06 1976-04-06 Optical fiber drawing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3780176A JPS52121335A (en) 1976-04-06 1976-04-06 Optical fiber drawing apparatus

Publications (2)

Publication Number Publication Date
JPS52121335A true JPS52121335A (en) 1977-10-12
JPS5543406B2 JPS5543406B2 (enExample) 1980-11-06

Family

ID=12507601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3780176A Granted JPS52121335A (en) 1976-04-06 1976-04-06 Optical fiber drawing apparatus

Country Status (1)

Country Link
JP (1) JPS52121335A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5643528A (en) * 1979-09-19 1981-04-22 Nippon Telegr & Teleph Corp <Ntt> Continuous measuring method of optical fiber transmission characteristic
EP1595854A3 (en) * 2001-04-06 2007-05-16 Shin-Etsu Chemical Co., Ltd. Preforms and optical fibres and methods of their manufacture

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100551U (enExample) * 1978-12-31 1980-07-12

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5287716U (enExample) * 1975-12-25 1977-06-30
JPS5278448A (en) * 1975-12-25 1977-07-01 Nec Corp Apparatus for manufacturing optical fiber
JPS52103846U (enExample) * 1976-02-04 1977-08-06

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5287716U (enExample) * 1975-12-25 1977-06-30
JPS5278448A (en) * 1975-12-25 1977-07-01 Nec Corp Apparatus for manufacturing optical fiber
JPS52103846U (enExample) * 1976-02-04 1977-08-06

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5643528A (en) * 1979-09-19 1981-04-22 Nippon Telegr & Teleph Corp <Ntt> Continuous measuring method of optical fiber transmission characteristic
EP1595854A3 (en) * 2001-04-06 2007-05-16 Shin-Etsu Chemical Co., Ltd. Preforms and optical fibres and methods of their manufacture
US7698908B2 (en) 2001-04-06 2010-04-20 Shin-Etsu Chemical Co., Ltd. Method of manufacturing a glass based material with defect removal

Also Published As

Publication number Publication date
JPS5543406B2 (enExample) 1980-11-06

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