PROCESSO PARA A REDUCAO DO TEORDE GRUPOS HIDROXILA EM PRE-FORMAS PARA FIBRAS OTICAS MANUFATIRADAS PELO PROCESSO MCVD

PROCESSO PARA A REDUCAO DO TEORDE GRUPOS HIDROXILA EM PRE-FORMAS PARA FIBRAS OTICAS MANUFATIRADAS PELO PROCESSO MCVD

Process for reducing hydroxyl-group content in preforms for optical fibres, manufactured by MCVD process, consisting of isotopic exchange between hydrogen and deuterium near the internal walls of the silica-glass supporting tube (8). The operation is carried out in two steps, first by inducing deute...

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Bibliographische Detailangaben
Hauptverfasser: MODONE E, RODA G
Format: Patent
Sprache:por
Schlagworte:
CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS
CHEMISTRY
GLASS
JOINING GLASS TO GLASS OR OTHER MATERIALS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS
SURFACE TREATMENT OF GLASS
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Zusammenfassung:Process for reducing hydroxyl-group content in preforms for optical fibres, manufactured by MCVD process, consisting of isotopic exchange between hydrogen and deuterium near the internal walls of the silica-glass supporting tube (8). The operation is carried out in two steps, first by inducing deuterium adsorption and then by termally activating the exchange reaction.