Method of manufacturing an optical fiber preform having doped cladding
    217.
    发明授权
    Method of manufacturing an optical fiber preform having doped cladding 失效
    制造具有DOPED CLADDING的光纤预制件的方法

    公开(公告)号:US5090979A

    公开(公告)日:1992-02-25

    申请号:US561757

    申请日:1990-08-02

    Abstract: According to the present invention, a preform (7) for an optical fiber is made from a tube having a substrate layer (16) of fluorine-doped silica and a support layer (18) of non-doped silica. A cladding layer (8) of fluorine-doped silica and a core layer (10) of non-doped silica are formed on the inside surface of the tube by chemical vapor phase deposition. The optical fiber is subsequently obtained by collapsing the tube and drawing it. The invention is applicable to fabricating optical fibers.

    Abstract translation: 根据本发明,用于光纤的预成型件(7)由具有氟掺杂二氧化硅的衬底层(16)和非掺杂二氧化硅的支撑层(18)的管制成。 通过化学气相沉积在管的内表面上形成氟掺杂二氧化硅的包覆层(8)和非掺杂二氧化硅的芯层(10)。 随后通过塌缩管并将其拉伸来获得光纤。 本发明可应用于制造光纤。

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