Apparatus for inserting a core fiber into a partially molten cla

Details Apparatus for inserting a core fiber into a partially molten cla Apparatus for inserting a core fiber into a partially molten cla

1995-12-18

1997-08-12

Hoffmann, John

Glass manufacturing

Fiber making apparatus

65533, 65188, C03B 3702

Patent

active

056560583

ABSTRACT:
A method and apparatus are provided for forming a glass preform which can be directly drawn into a single or multi-mode optical fiber. Single or multi-mode fibers drawn from the preforms described herein have high quality core-clad interfaces since the core and cladding materials are not exposed to crystallization temperatures upon the addition of the core material to cladding material.

REFERENCES:
patent: 3259467 (1966-07-01), Rummel
patent: 3556732 (1971-01-01), Chang
patent: 3621213 (1971-11-01), Jen
patent: 3650701 (1972-03-01), Forrat
patent: 3700412 (1972-10-01), Higashi
patent: 3822111 (1974-07-01), Suzuki
patent: 4830703 (1989-05-01), Matsutani
patent: 5129986 (1992-07-01), Seki

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