Casting preforms for optical fibres
    1.
    发明申请
    Casting preforms for optical fibres 审中-公开
    用于光纤的铸造预成型件

    公开(公告)号:US20050089670A1

    公开(公告)日:2005-04-28

    申请号:US10484219

    申请日:2002-07-22

    摘要: This invention relates to a method of preparing a preform for an optical fibre, and more particularly to a method of preparing a preform for a polymer holey optical fibre. The invention provides a method of preparing a preform for manufacture of a polymer holey optical fibre comprising casting a preform body in a mould from a suitable material, said mould including at least one protrusion adapted to form a corresponding hole within the preform, and subsequently separating the preform body and mould. The invention also provides a method of preparing a preform for manufacture of a polymeric holey optical fibre comprising separately casting one or more elements of a preform in respective mould(s) from a suitable material, and separating said elements from said respective mould(s) and combining said elements to construct a preform having a plurality of holes therein, each hole being formed in an element or formed by the combination of two or more elements.

    摘要翻译: 本发明涉及一种制备光纤预制棒的方法,更具体地说,涉及一种制备聚合物多孔光纤预制棒的方法。 本发明提供了一种制备用于制造聚合物多孔光纤的预成型件的方法,包括从合适的材料将模制体中的预成型坯体浇铸,所述模具包括适于在预成型件内形成相应的孔的至少一个突起, 预成型坯体和模具。 本发明还提供了一种制备用于制造聚合物多孔光纤的预成型件的方法,其包括从合适的材料分别浇铸相应模具中的预成型件的一个或多个元件,并将所述元件与所述各个模具分离, 并且组合所述元件以构造其中具有多个孔的预成型件,每个孔形成在元件中或由两个或更多个元件的组合形成。