Method for manufacturing an optical fibre with plasma activated

Details Method for manufacturing an optical fibre with plasma activated Method for manufacturing an optical fibre with plasma activated

1978-01-26

1978-11-14

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 12, 65 13, 65DIG7, 219 1055M, C03C 2502

Patent

active

041253892

ABSTRACT:
An optical fibre is manufactured by forming a layer of fused silica, which may or may not be doped, on the inner wall of a fused silica tube by producing a plasma in the reactant gases flowing through the tube. By this means a higher temperature can be maintained inside the tube than at the tubes outer wall. The plasma is produced at substantially atmospheric pressure. Cooling gas is passed along the outer wall of the tube.

REFERENCES:
patent: 3590202 (1971-06-01), Day
patent: 3670132 (1972-06-01), Kaufman et al.
patent: 3961926 (1976-06-01), Asam
patent: 3980459 (1976-09-01), Li
patent: 3982916 (1976-09-01), Miller

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