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Design of coupling efficiency between fibers in mems optical switch array
Author(s): 
Pages: 431-433,436
Year: Issue:  4
Journal: OPTICAL TECHNIQUE

Keyword:  高斯光束ABCD矩阵球透镜耦合效率;
Abstract: 利用高斯光束传输理论进行了阵列光开关的光纤耦合设计计算.根据ABCD矩阵推导出了光束通过球透镜时的传播规律,计算了在光纤与光纤之间两个球透镜耦合的效率,分析了影响耦合效率的因素.通过设计计算,确定了光纤端部的位置,使得整个损耗达到了最小.从理论上来看,在波长λ=1.55μm时,4×4阵列光开关的耦合效率可以达到91%以上.
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