Process for producing image fiber

Glass manufacturing – Processes – Forming product or preform from molten glass

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65 421, 350 9625, C03B 2320

Patent

active

045539952

ABSTRACT:
A process for producing an image fiber comprising drawing an image fiber preform consisting of a bundle of a plurality of optical fibers each of which is drawn from an optical fiber preform and consists of a core and a cladding, in which at least one of the optical fiber preform, the optical fiber, the image fiber preform and the image fiber is hydrogenated at a temperature higher than a room temperature, the image fiber produced having improved attenuation which is less increased when it is irradiated, particularly with gamma-ray.

REFERENCES:
patent: 2608722 (1952-09-01), Stuetzer
patent: 3355273 (1967-11-01), Siegmund et al.
patent: 3690853 (1972-09-01), Law
patent: 3837824 (1974-09-01), Siegmund
patent: 4021216 (1977-05-01), Asam et al.
patent: 4118618 (1978-10-01), Gauthier et al.
patent: 4148965 (1979-04-01), Jelli

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