C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 13/04 (2006.01) C03B 37/018 (2006.01) G02B 6/036 (2006.01)
Patent
CA 2360918
An optical fiber preform and a fabrication method thereof. In the present invention, an outer OH-barrier and an inner OH-barrier free of P2O5 are deposited respectively between a substrate tube and a cladding layer and between the cladding layer and a core layer during a deposition process. In addition, a refractive index increases toward the center in the core layer.
La présente invention concerne une avant-forme de fibre optique et son procédé de fabrication. Selon l'invention, une barrière OH extérieure et une barrière OH intérieure exempte de P¿2?O¿5? sont déposées, la première entre un tube substrat et une couche de gaine, et l'autre entre la couche de gaine et une couche coeur pendant un traitement de dépôt. En outre, un indice de réfraction augmente au fur et à mesure qu'on se rapproche du centre de la couche coeur.
Oh Sung-Koog
Seo Man-Seok
Marks & Clerk
Samsung Electronics Co. Ltd.
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