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In the paper, the method of test about OE-PCB was reviewed. Including mainly Refractive Index, Optical Propagation Loss, Surface Roughness, Eye Pattern, Bite Error Rate test and Environment Impact.
文章介绍了印制光-电路板的测试方法，主要包括光波导的折射率测试、光传输损失测试、表面粗糙度测试、眼图测试、误码率测试、环境测试。
The principles of the common methods to measurement the propagation loss of the NLO polymer film optical waveguide are summarized, and the typical experimental arrangements are presented.
文章综述了测量非线性光学(nlo)聚合物薄膜材料光波导传输损耗的三种新方法及原理，分别给出了典型的实验装置结构图，并对它们的特点进行了比较。
Due to the propagation mode mismatch of the two structures, optical loss becomes inevitable.
不过由于两种结构中模式匹配的问题，光在传播的损耗在所难免。
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