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    • 2. 发明专利
    • Method and apparatus for manufacturing optical fiber with pore
    • 用于制造具有孔的光纤的方法和装置
    • JP2012184142A
    • 2012-09-27
    • JP2011049045
    • 2011-03-07
    • Hitachi Cable Ltd日立電線株式会社
    • HIYAMA TOMOKAZUOSONO KAZUMASAOGURA AKIRA
    • C03B37/027G02B6/00G02B6/032
    • C03B37/02781C03B2205/07C03B2205/10C03B2205/14C03B2205/42C03B2205/46
    • PROBLEM TO BE SOLVED: To provide a method and an apparatus for manufacturing an optical fiber with pores capable of uniformizing a pore size of each pore, even when deviation is generated between the center axis of a preform for the optical fiber with pores and the center axis of a drawing furnace.SOLUTION: In this method for manufacturing an optical fiber with pores in which a preform for the optical fiber with pores having a clad on which a plurality of pores 2 are formed along the center axis of a core around the core is introduced into a drawing furnace 3, and the preform for the optical fiber with pores is heated, melted and drawn in the drawing furnace 3, to thereby manufacture the optical fiber with pores, the preform for the optical fiber with pores is heated, melted and drawn in the drawing furnace 3, while rotating the preform for the optical fiber with pores around the center axis of the core.
    • 要解决的问题:为了提供一种用于制造光纤的方法和装置,其具有能够使每个孔的孔径均匀化的孔,即使在具有孔的光纤的预制棒的中心轴之间产生偏差 和拉丝炉的中心轴线。 解决方案:在这种具有孔的光纤的制造方法中,将具有毛孔的具有包层的光纤的预制棒沿着芯周围的芯的中心轴形成多个孔2的导体 拉丝炉3和具有孔的光纤的预制件在拉拔炉3中被加热,熔化并拉制,从而制造具有孔隙的光纤,将具有孔的光纤预制件加热熔化并拉伸 拉制炉3,同时旋转具有围绕芯的中心轴线的孔的光纤预制棒。 版权所有(C)2012,JPO&INPIT