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    • 8. 发明授权
    • Method for connecting optical fibers, and heat treatment apparatus used therefor
    • 光纤连接方法及其使用的热处理装置
    • US06866428B2
    • 2005-03-15
    • US10188649
    • 2002-07-01
    • Tetsuo Suzuki
    • Tetsuo Suzuki
    • G02B6/255
    • G02B6/2551
    • Provided are connection methods and a heat treatment apparatus to be used in the method capable of readily applying heat treatment to a fusion-spliced portion of a connection line which is formed by fusion-splicing optical fibers of different kinds and capable of finishing the heat treatment with no excess or insufficiency.In the connection methods, after fusion-splicing the optical fibers of different kinds having different MFDs, the heat treatment is carried out to match the MFDs. At the same time, a dummy connection line of dummy optical fibers of different kinds is prepared, which is the same combination as the connection line of the optical fibers of different kinds to which the heat treatment is applied. While measuring connection loss in the dummy connection line directly or indirectly, the heat treatment is applied to the dummy connection line as well as the connection line. When a measured value of the connection loss in the dummy connection line lowers below a preset decision value of the time to finish the heat treatment, the heat treatment is finished. It is possible to readily finish the heat treatment at an appropriate timing without giving an excessive or insufficient heat treatment.
    • 提供了在能够容易地对通过熔接不同种类的光纤形成并能够完成热处理的连接线的熔接部分进行热处理的方法中使用的连接方法和热处理装置。 没有过剩或不足。在连接方法中,在熔接具有不同MFD的不同种类的光纤后,进行热处理以匹配MFD。 同时,准备了不同种类的虚拟光纤的虚拟连接线,这是与应用热处理的不同种类的光纤的连接线相同的组合。 在直接或间接测量虚拟连接线中的连接损耗的同时,对虚拟连接线以及连接线进行热处理。 当虚拟连接线中的连接损耗的测量值低于完成热处理的时间的预设决定值时,热处理结束。 可以在适当的时间下容易地完成热处理,而不会导致过热或不充分的热处理。