JPH0572337B2 - - Google Patents

Info

Publication number
JPH0572337B2
JPH0572337B2 JP62231848A JP23184887A JPH0572337B2 JP H0572337 B2 JPH0572337 B2 JP H0572337B2 JP 62231848 A JP62231848 A JP 62231848A JP 23184887 A JP23184887 A JP 23184887A JP H0572337 B2 JPH0572337 B2 JP H0572337B2
Authority
JP
Japan
Prior art keywords
glass
nozzle
generatrix
pot
core
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.)
Expired - Lifetime
Application number
JP62231848A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6476931A (en
Inventor
Kyosumi Fujii
Hideya Ogi
Akira Akazawa
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 Sheet Glass Co Ltd
Original Assignee
Nippon Sheet Glass Co 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 Sheet Glass Co Ltd filed Critical Nippon Sheet Glass Co Ltd
Priority to JP62231848A priority Critical patent/JPS6476931A/ja
Publication of JPS6476931A publication Critical patent/JPS6476931A/ja
Publication of JPH0572337B2 publication Critical patent/JPH0572337B2/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
    • C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
    • C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique

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)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
JP62231848A 1987-09-16 1987-09-16 Production of refractive index-distributing type lens Granted JPS6476931A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62231848A JPS6476931A (en) 1987-09-16 1987-09-16 Production of refractive index-distributing type lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62231848A JPS6476931A (en) 1987-09-16 1987-09-16 Production of refractive index-distributing type lens

Publications (2)

Publication Number Publication Date
JPS6476931A JPS6476931A (en) 1989-03-23
JPH0572337B2 true JPH0572337B2 (en:Method) 1993-10-12

Family

ID=16929959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62231848A Granted JPS6476931A (en) 1987-09-16 1987-09-16 Production of refractive index-distributing type lens

Country Status (1)

Country Link
JP (1) JPS6476931A (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3983322B2 (ja) * 1996-11-06 2007-09-26 日本板硝子株式会社 コア／クラッド構造の屈折率分布型光学素子のガラス組成物
JP2006056768A (ja) 2004-07-23 2006-03-02 Nippon Sheet Glass Co Ltd 屈折率分布型ロッドレンズ用クラッドガラス組成物、およびそれを用いた屈折率分布型ロッドレンズ母ガラスロッド、ならびに屈折率分布型ロッドレンズ、およびその製造方法
JP2006154868A (ja) * 2006-03-09 2006-06-15 Nippon Sheet Glass Co Ltd レンズ機能付き光ファイバおよびその製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5612258A (en) * 1979-07-06 1981-02-06 Sony Corp Coil winding method

Also Published As

Publication number Publication date
JPS6476931A (en) 1989-03-23

Similar Documents

Publication Publication Date Title
US4145200A (en) Production of optical glass fibers
CN106045304B (zh) 光学玻璃、玻璃成型体、光学元件及其制造方法
FI64794B (fi) Fiberglassammansaettning
JPS5851900B2 (ja) 高耐水性の光伝送体用ガラス
CN110183108B (zh) 用于光纤传像元件的光纤皮层玻璃及其机械拉管成型方法
US20040229743A1 (en) Boron aluminosilicate glass
US3853569A (en) Silicate glass fiber compositions
CN104261686B (zh) 一种耐碱玻璃纤维组合物
JP3983322B2 (ja) コア／クラッド構造の屈折率分布型光学素子のガラス組成物
CA1106413A (en) Glass composition for fiberization
JP7656655B2 (ja) 光学ガラス、ガラスプリフォーム、光学素子と光学機器
JP7511132B2 (ja) リチウムアルミノシリケートガラスの製造方法、およびフロートガラス板
JP2005200299A (ja) 特に精密プレスした光学要素用の光学ガラス
CN102311228A (zh) 光学玻璃
CN109399917A (zh) 光学玻璃、光学预制件、光学元件和光学仪器
NL8303157A (nl) Thallium bevattend optisch glas.
JP6659435B2 (ja) ガラス
JPH0572337B2 (en:Method)
JPS63230536A (ja) タリウム含有光学ガラス
JP2010189197A (ja) 光伝導ファイバー
US4110002A (en) Optical fibers formed of aluminum borophosphate glass compositions
JP2000264675A (ja) 光ファイバー用ガラス
JPH0437628A (ja) 光学ガラス、及びモールド成形品
JP2002211947A (ja) 屈折率分布型レンズ用母材ガラス組成物
JPWO2004087596A1 (ja) 光学ガラス

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term