Method for producing optical fibre precast product, optical fibre precast product and relative optical fibre

Method for producing optical fibre precast product, optical fibre precast product and relative optical fibre

The invention relates to the field of optical fibres, to optical-fibre preforms and to processes for producing a final optical-fibre preform obtained by plasma built-up on a primary preform. The invention relates especially to a final optical-fibre preform comprising a primary preform (3) comprising...

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Hauptverfasser: HERCHUELZ VIRGINIE, DECAUX ISABELLE
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
GLASS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
TRANSMISSION
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creator HERCHUELZ VIRGINIE
DECAUX ISABELLE
description The invention relates to the field of optical fibres, to optical-fibre preforms and to processes for producing a final optical-fibre preform obtained by plasma built-up on a primary preform. The invention relates especially to a final optical-fibre preform comprising a primary preform (3) comprising optical core and cladding material, obtained by a VAD deposition process or an OVD deposition process, a silica sleeve tube (4) surrounding the primary preform (3), and a built-up layer (5) made of silica particles surrounding the silica sleeve tube (4).
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subjects CHEMISTRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
GLASS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
TRANSMISSION
title Method for producing optical fibre precast product, optical fibre precast product and relative optical fibre
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