本文叙述了单模光纤等效阶跃折射率(esi)参数测量的一种简便方法及其原理。
A simple method for measuring equivalent step index (ESI) parameters of the single mode fiber is presented.
采用高斯近似和局域模式耦合理论，对阶跃折射率分布和抛物线折射率分布椭圆芯单模光纤熔接接头损耗进行了分析、计算和讨论。
By the gaussian approximation and local mode-coupled theory, fused splice loss of step and parabolic index single mode elliptic core fibers have been analyzed, calculated and discussed.
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