JPS5767032A - Manufacture of base material for rod lens - Google Patents

Manufacture of base material for rod lens

Info

Publication number
JPS5767032A
JPS5767032A JP14095480A JP14095480A JPS5767032A JP S5767032 A JPS5767032 A JP S5767032A JP 14095480 A JP14095480 A JP 14095480A JP 14095480 A JP14095480 A JP 14095480A JP S5767032 A JPS5767032 A JP S5767032A
Authority
JP
Japan
Prior art keywords
base material
rod lens
starting
starting material
vapor phase
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
JP14095480A
Other languages
Japanese (ja)
Inventor
Kunio Ogura
Kazuaki Yoshida
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.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric 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 Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Priority to JP14095480A priority Critical patent/JPS5767032A/en
Publication of JPS5767032A publication Critical patent/JPS5767032A/en
Pending 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
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01413—Reactant delivery systems

Abstract

PURPOSE:To obtain the titled base material with superior light transmittance, etc. by manufacturing a base material for a rod lens by a vapor axial deposition method using vapor phase starting aterial convertible into quartz glass type oxide by flame hydrolysis and starting material for controlling the refractive index. CONSTITUTION:The 1st vapor phase starting material convertible into quartz type oxide by flame hydrolysis such as SiCl4 and 2nd vapor phase starting material as starting material for a dopant such as GeCl4 are introduced into a burner 2 for an oxyhydrogen flame and hydrolyzed in the flame, and the resulting oxides are deposited on a starting rod 1 made of quartz in the longitudinal direction to form a porous base material 3. This material 3 is sintered by heating to obtain a base material 4 for a rod lens. By introducing the 2nd starting material so that the dopant concn. of the material 3 is changed toward the outside in the radius direction and by controlling the temp. of the deposition face of the material 3 so that the refractive index is reduced toward the outside, the desired base material 4 for a rod lens is obtd.
JP14095480A 1980-10-08 1980-10-08 Manufacture of base material for rod lens Pending JPS5767032A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14095480A JPS5767032A (en) 1980-10-08 1980-10-08 Manufacture of base material for rod lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14095480A JPS5767032A (en) 1980-10-08 1980-10-08 Manufacture of base material for rod lens

Publications (1)

Publication Number Publication Date
JPS5767032A true JPS5767032A (en) 1982-04-23

Family

ID=15280672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14095480A Pending JPS5767032A (en) 1980-10-08 1980-10-08 Manufacture of base material for rod lens

Country Status (1)

Country Link
JP (1) JPS5767032A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4568370A (en) * 1982-09-29 1986-02-04 Corning Glass Works Optical fiber preform and method
US4714488A (en) * 1982-09-29 1987-12-22 Corning Glass Works Apparatus for producing an optical fiber preform
JPH0485501A (en) * 1990-07-30 1992-03-18 Alps Electric Co Ltd Lens and its manufacture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4568370A (en) * 1982-09-29 1986-02-04 Corning Glass Works Optical fiber preform and method
US4714488A (en) * 1982-09-29 1987-12-22 Corning Glass Works Apparatus for producing an optical fiber preform
JPH0485501A (en) * 1990-07-30 1992-03-18 Alps Electric Co Ltd Lens and its manufacture

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