The tight coupling characteristics of large-scale systems generally result from optimizing the overall design and from minimizing redundancies and inefficiencies among the system's components.

大型系统的紧密耦合特征通常是通过优化总体设计和尽可能减少系统组件间的冗余和低效情况来实现的。

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Coupling efficiency can be maximized by optimizing the relative aperture of coupling lens.

通过优化耦合透镜相对孔径，可以实现较高效率的耦合。

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Since the severe asymmetry of optical field and beam divergence degrade the coupling efficiency, the waveguide structure optimizing needed.

这就要提高激光器出射光场的对称性，减小光的散射角，这需要提高对激光器波导层的结构优化。

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