单模光纤广泛用于多种应用之中,更是在长距离光通信中扮演者重要的角色。将光****耦合入单模光纤中在实践中是一项极具挑战性的任务。在本示例中,我们选择一个市售的镜头,并示范了如何寻找最佳工作距离以实现获得最大的耦合效率。尤其是,我们介绍了由场追迹得到的最佳工作距离不同于由光线光学预测的焦距。
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5. 在最佳工作距离出的评价
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Comparison of Different Lenses for Fiber Coupling
Parametric Optimization of Fiber Coupling Lens