模拟结果显示，耦合效率的大小由光纤位置、芯片透镜尺寸和激光光源光斑形状共同决定。

The simulation results show that the optical coupling efficiency is determined by fiber position, the lens design of the photodiode chips, and the shape of the light source.

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采用光纤端面球透镜耦合方式，是提高半导体光源与阶跃折射率光纤之间耦合效率的简单实用的方法。

The coupled way with globular lens in end side of step index fiber(SIF) is a simple and practical method to increase the coupling efficiency between semiconductor optical resource and SIF.

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本文从菲涅尔公式出发，估算了从光源系统中发出的光进入光纤或光缆的耦合效率。

Based on Finel formulas, the efficiency of the coupling of light source With light fiber or light cable entered from a light source was estimated.

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