Process for making preforms for multicore optical fibers

Details Process for making preforms for multicore optical fibers Process for making preforms for multicore optical fibers

1998-03-06

2000-07-18

Hoffmann, John

Glass manufacturing

Processes of manufacturing fibers, filaments, or preforms

Process of manufacturing optical fibers, waveguides, or...

65410, 65411, 65 36, C03B 37027, C03B 37028

Patent

active

060890444

ABSTRACT:
Process for making preforms for multicore optical fibers. According to this process, several elementary preforms are made, a first machining is performed on them such that a chosen geometric model will be obtained after they are assembled, a second machining is performed such that the assembly (11) has at least one hole (12), the preforms are assembled and an induction furnace (18) is used to fuse the preforms, while creating a vacuum in each hole.

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patent: 5318612 (1994-06-01), Le Noane et al.
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English Abstract of JP 5713576 Aug. 1982.
English Abstract of JP 62091438 Apr. 1987.

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