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The results show that there is an optimum splitting ratio of the MMI coupler for different stages obtained by algorithm.
结果表明，对应最大峰值功率，存在随级联级数增加而增大的最佳分光比；
According to the coupled-mode theory, the impacts of fiber couplers transmission characteristics such as splitting ratio and additional loss, on the veracity and bandwidth of FFTS are analyzed.
根据耦合模理论，分析了光纤耦合器的分束比、附加损耗等传输特性对FFTS的工作带宽和测量准确性的影响。
A novel optic bridge compensation technique using a polarization splitting prism is introduced, and the errors caused by the changes of prism's extinction ratio are studied.
介绍了一种使用偏振分光棱镜的新型光桥式补偿技术，并对因棱镜消光比变化导致的误差进行了研究。
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