JPS57191240A - Manufacturing of optical fiber preform for infrared ray transmission - Google Patents

Manufacturing of optical fiber preform for infrared ray transmission

Info

Publication number
JPS57191240A
JPS57191240A JP7668481A JP7668481A JPS57191240A JP S57191240 A JPS57191240 A JP S57191240A JP 7668481 A JP7668481 A JP 7668481A JP 7668481 A JP7668481 A JP 7668481A JP S57191240 A JPS57191240 A JP S57191240A
Authority
JP
Japan
Prior art keywords
glass
mold
core
optical fiber
preform
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
JP7668481A
Other languages
English (en)
Japanese (ja)
Other versions
JPS615662B2 (enExample
Inventor
Nariyuki Mitachi
Tadashi Miyashita
Teruhisa Kanamori
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 JP7668481A priority Critical patent/JPS57191240A/ja
Publication of JPS57191240A publication Critical patent/JPS57191240A/ja
Publication of JPS615662B2 publication Critical patent/JPS615662B2/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
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/01265—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt
    • C03B37/01268—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt by casting
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/80—Non-oxide glasses or glass-type compositions
    • C03B2201/82—Fluoride glasses, e.g. ZBLAN glass

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
JP7668481A 1981-05-22 1981-05-22 Manufacturing of optical fiber preform for infrared ray transmission Granted JPS57191240A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7668481A JPS57191240A (en) 1981-05-22 1981-05-22 Manufacturing of optical fiber preform for infrared ray transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7668481A JPS57191240A (en) 1981-05-22 1981-05-22 Manufacturing of optical fiber preform for infrared ray transmission

Publications (2)

Publication Number Publication Date
JPS57191240A true JPS57191240A (en) 1982-11-25
JPS615662B2 JPS615662B2 (enExample) 1986-02-20

Family

ID=13612260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7668481A Granted JPS57191240A (en) 1981-05-22 1981-05-22 Manufacturing of optical fiber preform for infrared ray transmission

Country Status (1)

Country Link
JP (1) JPS57191240A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537864A (en) * 1983-08-31 1985-08-27 Corning Glass Works Metal fluoride glasses in the CdF2 -PbF2 -AlF3 -(LiF) system
US5308371A (en) * 1992-04-28 1994-05-03 Central Glass Co., Ltd. Method of forming fluoride glass fiber preform

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537864A (en) * 1983-08-31 1985-08-27 Corning Glass Works Metal fluoride glasses in the CdF2 -PbF2 -AlF3 -(LiF) system
US5308371A (en) * 1992-04-28 1994-05-03 Central Glass Co., Ltd. Method of forming fluoride glass fiber preform

Also Published As

Publication number Publication date
JPS615662B2 (enExample) 1986-02-20

Similar Documents

Publication Publication Date Title
JPS57191240A (en) Manufacturing of optical fiber preform for infrared ray transmission
US5776222A (en) Method of eliminating light scattering bubbles in optical fiber preforms
JPS56155911A (en) Manufacture of optical mold connector
US4289516A (en) Low loss optical fibers
JPWO2016052159A1 (ja) カルコゲナイドガラスレンズの製造方法
JP2694860B2 (ja) フッ化物ガラスプリフォームの製造方法
JPS5551732A (en) Optical glass
JPS56149337A (en) Manufacture of preform for optical fiber transmitting infrared ray
EP0787691B1 (en) Method for making core holes in cast optical fiber preforms
JPS5738336A (en) Manufacture of preform for optical fiber transmitting infrared ray
EP0386944A3 (en) Molding apparatus and method
JPS5738335A (en) Manufacture of clad glass pipe for optical fiber transmitting infrared ray
JPS593030A (ja) 赤外光フアイバ母材の製造方法
JPS58125630A (ja) ふっ化物ガラス光ファイバ用母材の製造方法
JPS5711838A (en) Preparation of cylindrical base material for optical fiber
JPH10101362A (ja) ロッド状光学ガラス
JP2556569B2 (ja) フッ化物ガラスファイバ用母材の製造方法
JPS5740204A (en) Production of core clad type ionic crystal optical fiber
JPS6472929A (en) Production of optical element
JPS5688832A (en) Forming of glass
JPS5292735A (en) Producing method for base materials for optical transmission fibers
JPS60176938A (ja) 光フアイバ用プリフオ−ムの製造方法
JPS6191032A (ja) 光フアイバ母材の製造方法
JPS57191243A (en) Manufacturing of optical fiber preform
JPS5780035A (en) Injection molding metal die for manufacturing light transmitter