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1·Then the mode distributions at the fiber tips and the corresponding splice loss between the two fibers were calculated, and the fusion power range for low splice loss was thus deduced.

通过分析光纤熔接损耗产生的机理，提出了降低光纤熔接损耗的一些有效措施，同时对光纤熔接损耗的测量方法进行了介绍。

2·Then the mode distributions at the fiber tips and the corresponding splice loss between the two fibers were calculated, and the fusion power range for low splice loss was thus deduced.

通过分析光纤熔接损耗产生的原因，得出可以调整熔接参数来改善模场失配，实现不同类型光纤的低损耗熔接。