JPS57145043A - Production of optical fiber - Google Patents

Production of optical fiber

Info

Publication number
JPS57145043A
JPS57145043A JP3044681A JP3044681A JPS57145043A JP S57145043 A JPS57145043 A JP S57145043A JP 3044681 A JP3044681 A JP 3044681A JP 3044681 A JP3044681 A JP 3044681A JP S57145043 A JPS57145043 A JP S57145043A
Authority
JP
Japan
Prior art keywords
parent material
fiber
tension
glass
optical 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.)
Granted
Application number
JP3044681A
Other languages
Japanese (ja)
Other versions
JPS6228101B2 (en
Inventor
Motohiro Nakahara
Hiroo Matsuda
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.)
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries 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 Nippon Telegraph and Telephone Corp, Sumitomo Electric Industries Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP3044681A priority Critical patent/JPS57145043A/en
Publication of JPS57145043A publication Critical patent/JPS57145043A/en
Publication of JPS6228101B2 publication Critical patent/JPS6228101B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres

Abstract

PURPOSE:A glass of a lower softening point than that of the clad of the parent material is arranged outermost and the parent material is drawn with a tension of more than a specific value to give the resultant fiber a compression stress, thus producing optically fiber with high reliability, because of its freeness from static fatigue. CONSTITUTION:The core 6 with a square distribution of refraction index is composed of GeO2-SiO2 glass and the clad 7 of SiO2. The parent material is inserted into a glass pipe of low melting point and they are fused by heating from one end to prepare P2O5 dope SiO2 glass jacket 8. The resultant parent material is heated and drawn with a tension of more than 0.05% elongation, when the tension is calculated as an elongation of the optical fiber, then immediately coated with a silicone resin 9 to give the objective optical fiber. This drawing makes the mechanical strain of the fiber larger than the static load, thus causing no static fatigue.
JP3044681A 1981-03-05 1981-03-05 Production of optical fiber Granted JPS57145043A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3044681A JPS57145043A (en) 1981-03-05 1981-03-05 Production of optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3044681A JPS57145043A (en) 1981-03-05 1981-03-05 Production of optical fiber

Publications (2)

Publication Number Publication Date
JPS57145043A true JPS57145043A (en) 1982-09-07
JPS6228101B2 JPS6228101B2 (en) 1987-06-18

Family

ID=12304140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3044681A Granted JPS57145043A (en) 1981-03-05 1981-03-05 Production of optical fiber

Country Status (1)

Country Link
JP (1) JPS57145043A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02133333A (en) * 1988-11-14 1990-05-22 Fujikura Ltd Production of optical fiber
KR100594062B1 (en) 2004-02-13 2006-06-30 삼성전자주식회사 Optical fiber having the low discontinuity of the residual stress
JP2013521516A (en) * 2010-02-26 2013-06-10 コーニング インコーポレイテッド Optical fiber with increased mechanical strength

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0281401U (en) * 1988-12-09 1990-06-22

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02133333A (en) * 1988-11-14 1990-05-22 Fujikura Ltd Production of optical fiber
KR100594062B1 (en) 2004-02-13 2006-06-30 삼성전자주식회사 Optical fiber having the low discontinuity of the residual stress
JP2013521516A (en) * 2010-02-26 2013-06-10 コーニング インコーポレイテッド Optical fiber with increased mechanical strength

Also Published As

Publication number Publication date
JPS6228101B2 (en) 1987-06-18

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